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FEH(1)               BSD General Commands Manual              FEH(1)

NAME
     feh — image viewer and cataloguer

SYNOPSIS
     feh [options] files or directories or URLs ...

VERSION
     This manual documents feh 2.3

     Compile-time switches: libcurl support enabled, Xinerama sup‐
     port enabled, builtin EXIF support disabled

DESCRIPTION
     feh is a mode-based image viewer.  It is especially aimed at
     commandline users who need a fast image viewer without huge GUI
     dependencies, though it can also be started by (graphical) file
     managers to view an image.

     feh supports filelists, various image sorting modes, image cap‐
     tions, HTTP and more.  Configurable keyboard shortcuts are used
     to control it; the mouse is also supported, but only required
     for very few actions.

     feh can also be used as wallpaper setter.

     A little note about EXIF support: The recommended way to dis‐
     play EXIF data is using exiv2 / exifgrep via --info (see the
     USAGE EXAMPLES section).  However, if you compile feh with
     exif=1, you can also view them directly.

MODES
     feh is based on various modes, which are selected at startup by
     comandline options.

     Slideshow mode is the default.  It opens one window and dis‐
     plays the first image in it, the keyboard and mouse can be used
     to change slides (images).  In slideshow mode, images can be
     deleted either from the filelist or from the disk, the new
     filelist can then be saved to the disk and reopened at a later
     time.

     Montage mode forms a montage from the filelist.  The resulting
     image can be viewed or saved, and its size can be limited by
     height, width or both.

     Index mode forms an index print from the filelist.  Image
     thumbnails are shown along with the filename, filesize and
     pixel size, printed using a truetype font of your choice.  The
     resulting image can be viewed or saved, and its size can be
     limited by height, width or both.

     Thumbnail mode is like index mode, but the mini-images are
     clickable and open the selected image in a new window.

     Multiwindow mode shows images in multiple windows, instead of
     as a slideshow in one window.  Don't use with a large filelist
     ;)

     List mode doesn't display images.  Outputs an ls - style list‐
     ing of the files in the filelist, including image info such as
     size, pixels, type, etc.  Customlist mode will display whatever
     image info you want, in the format you choose.

     feh can also list either all the loadable files in a filelist
     or all the unloadable files.  Useful for preening a directory.

OPTIONS
     -A, --action [flag]action
             Specify a shell command as an action to perform on the
             image.  In slideshow or multiwindow mode, the action
             will be run when the action_0 key is pressed, in list
             mode, it will be run for each file.  In load‐
             able/unloadable mode, it will be run for each load‐
             able/unloadable file, respectively.

             If flag is ";", feh will reload the current image
             instead of switching to the next one after executing
             the action.

             The action will be executed by /bin/sh.  Use format
             specifiers to refer to image info.  See FORMAT
             SPECIFIERS for examples.  E.g.  "feh -A mv ~/images/%n
             *".  In slideshow mode, the next image will be shown
             after running the action, in multiwindow mode, the win‐
             dow will be closed.

     --action1 .. --action9
             Extra actions which can be set and triggered using the
             appropiate number key.

     -Z, --auto-zoom
             Zoom pictures to screen size in fullscreen / fixed
             geometry mode.

     -x, --borderless
             Create borderless windows.

     -P, --cache-thumbnails
             Enable thumbnail caching in ~/.thumbnails.  Only works
             with thumbnails <= 256x256 pixels.

     -K, --caption-path path
             Path to directory containing image captions.  This
             turns on caption viewing, and if captions are found in
             path, which is relative to the directory of each image,
             they are overlayed on the displayed image.  E.g. with
             caption path "captions/", and viewing image
             "images/foo.jpg", the caption will be looked for in
             "images/captions/foo.jpg.txt".

     -L, --customlist format
             Don't display images, print image info according to
             format instead.  See FORMAT SPECIFIEDRS.

     --cycle-once
             Exit feh after one loop through the slideshow.

     -G, --draw-actions
             Draw the defined actions and what they do at the top-
             left of the image.

     --draw-exif
             (only if compiled with exif=1) display some EXIF infor‐
             mation in the bottom left corner, similar to using
             --info with exiv2 / exifgrep .

     -d, --draw-filename
             Draw the filename at the top-left of the image.

     --draw-tinted
             Show overlay texts (as created by --draw-filename et
             al) on a semi-transparent background to improve their
             readability

     -f, --filelist file
             This option is similar to the playlists used by music
             software.  If file exists, it will be read for a list
             of files to load, in the order they appear.  The format
             is a list of image filenames, absolute or relative to
             the current directory, one filename per line.

             If file doesn't exist, it will be created from the
             internal filelist at the end of a viewing session.
             This is best used to store the results of complex sorts
             (-Spixels for example) for later viewing.

             Any changes to the internal filelist (such as deleting
             a file or it being pruned for being unloadable) will be
             saved to file when feh exits.  You can add files to
             filelists by specifying them on the commandline when
             also specifying the list.

             If file is "-", feh will read the filelist from its
             standard input.

     -e, --font font
             Set global font.  Should be a truetype font, resident
             in the current directory or the font directory, and
             should be defined in the form fontname/points, like
             "myfont/12".

     -C, --fontpath path
             Specify path as extra directory in which to search for
             fonts; can be used multiple times to add multiple
             paths.

     --force-aliasing
             Disable antialiasing for zooming, background setting
             etc.

     -I, --fullindex
             Same as index mode, but with additional information
             below the thumbnails.  Works just like "feh --index
             --index-info "%n\n%S\n%wx%h"".  Enables MONTAGE MODE
             OPTIONS.

             Note: This option needs to load all images to calculate
             the dimensions of the feh window, so when using it with
             many files it will ake a while before a feh window is
             visible.  Use --preload to get a progress bar.

     -F, --fullscreen
             Make the window fullscreen.  Note that in this mode,
             large images will always be scaled down to fit the
             screen, --zoom zoom only affects smaller images and
             never scales larger than necessary to fit the screen
             size. The only exception is a zoom of 100, in which
             case images will always be shown at 100% zoom, no mat‐
             ter their dimensions.

     -g, --geometry [width x height] [+ x + y]
             Limit (and don't change) the window size.  Takes an X-
             style geometry string like 640x480 with optional +x+y
             window offset.  Note that larger images will be zoomed
             out to fit, but you can see them at 1:1 by clicking the
             zoom button.  Note that this option does not enforce
             the geometry, changing it by a tiling WM or manually is
             still possible.

     -Y, --hide-pointer
             Hide the pointer (useful for slideshows).

     -B, --image-bg style
             Use style as background for transparent image parts and
             the like.  Accepted values: checks (default), white,
             black.

     -i, --index
             Enable Index mode.  Index mode is similar to montage
             mode, and accepts the same options.  It creates an
             index print of thumbails, printing the image name
             beneath each thumbnail.  Index mode enables certain
             other options, see INDEX MODE OPTIONS and MONTAGE MODE
             OPTIONS.

     --index-info format
             Show image information based on format below thumbnails
             in index / thumbnail mode.  See FORMAT SPECIFIERS.  May
             contain newlines.

             Note: If you specify image-related formats (such as %w
             or %s), feh needs to load all images to calculate the
             dimensions of its own window.  So when using them with
             many files, it will take a while before a feh window
             becomes visible.  Use --preload to get a progress bar.

     --info commandline
             Execute commandline and display its output in the bot‐
             tom left corner of the image.  Can be used to display
             e.g. image dimensions or EXIF information.  Supports
             FORMAT SPECIFIERS.

     -k, --keep-http
             When viewing files using HTTP, feh normally deletes the
             local copies after viewing, or, if caching, on exit.
             This option prevents this so that you get to keep the
             local copies.  They will be in /tmp with "feh" in the
             name.

     -l, --list
             Don't display images.  Analyse them and display an
             ls(1) - style listing.  Useful in scripts to hunt out
             images of a certain size/resolution/type etc.

     -U, --loadable
             Don't display images.  Just print out their names if
             imlib2 can successfully load them.

     -M, --menu-font font
             Use font (truetype, with size, like "yudit/12") as menu
             font.

     -m, --montage
             Enable montage mode.  Montage mode creates a new image
             consisting of a grid of thumbnails of the images in the
             filelist.  When montage mode is selected, certain other
             options become available.  See MONTAGE MODE OPTIONS.

     -w, --multiwindow
             Disable slideshow mode.  With this setting, instead of
             opening multiple files in slideshow mode, multiple win‐
             dows will be opened; one per file.

     --no-jump-on-resort
             Don't jump to the first image after resorting the
             filelist.

     -N, --no-menus
             Don't load or show any menus.

     --no-screen-clip
             By default, window sizes are limited to the screen
             size.  With this option, windows will have the size of
             the image inside them.  Note that they may become very
             large this way, making them unmanageable in certain
             window managers.

     --no-xinerama
             Disable Xinerama support.  Only makes sense when you
             have Xinerama support compiled in.

     -j, --output-dir directory
             Save files to directory (only useful with -k)

     -p, --preload
             Preload images.  This doesn't mean hold them in RAM, it
             means run through them and eliminate unloadable images
             first.  Otherwise they will be removed as you flick
             through.  This also analyses the images to get data for
             use in sorting, such as pixel size, type etc.  A
             preload run will be automatically performed if you
             specify one of these sort modes.

     -q, --quiet
             Don't report non-fatal errors for failed loads.  Ver‐
             bose and quiet modes are not mutually exclusive, the
             first controls informational messages, the second only
             errors.

     -z, --randomize
             When viewing multiple files in a slideshow, randomize
             the file list before displaying.

     -r, --recursive
             Recursively expand any directories in the commandline
             arguments to the content of those directories, all the
             way down to the bottom level.

     -R, --reload int
             Reload filelist and current image after int seconds.
             Useful for viewing HTTP webcams or frequently changing
             directories.  (Note that the filelist reloading is
             still experimental.)

             If an image is removed, feh will either show the next
             one or quit.  However, if an image still exists, but
             can no longer be loaded, feh will continue to try load‐
             ing it.

     -n, --reverse
             Reverse the sort order.  Use this to invert the order
             of the filelist.  E.g. to sort in reverse width order,
             use -nSwidth.

     -., --scale-down
             When not in fullscreen: Scale images to screen size if
             they are too big.

             In tiling environments, this also causes the image to
             be centered in the window.

     -D, --slideshow-delay float
             For slideshow mode, wait float seconds between automat‐
             ically changing slides.  Useful for presentations.
             Specify a negative number to set the delay (which will
             then be float * (-1)), but start feh in paused mode.

     -S, --sort sort_type
             The file list may be sorted according to image parame‐
             ters.  Allowed sort types are: name, filename, width,
             height, pixels, size, format.  For sort modes other
             than name or filename, a preload run will be necessary,
             causing a delay proportional to the number of images in
             the list.

     -|, --start-at filename
             Start the filelist at filename.  See USAGE EXAMPLES.

     -T, --theme theme
             Load options from config file with name theme - see
             THEMES CONFIG SYNTAX for more info.  Note that command‐
             line options always override theme options.  The theme
             can also be set via the program name (e.g. with
             symlinks), so by default feh will look for a "feh"
             theme.

     -t, --thumbnails
             Same as Index mode, but the thumbnails are clickable
             image launchers.  Note that --fullscreen does not
             affect the thumbnail window. It does, however, work for
             the image windows launched from thumbnail mode.  Also
             supports MONTAGE MODE OPTIONS.

     -~, --thumb-title string
             Set title for windows opened from thumbnail mode.  See
             also FORMAT SPECIFIERS.

     -^, --title title
             Set window title.  Applies to all windows except those
             opened from thumbnail mode.  See FORMAT SPECIFIERS.

     -u, --unloadable
             Don't display images.  Just print out their names if
             imlib2 can NOT successfully load them.

     -V, --verbose
             output useful information, progress bars, etc.

     -v, --version
             output version information and exit.

     --zoom percent | max | fill
             Zoom images by percent when in full screen mode or when
             window geometry is fixed.  When combined with
             --auto-zoom, zooming will be limited to the specified
             percent.  Specifying max is like setting --auto-zoom,
             using fill makes feh zoom the image like the --bg-fill
             mode.

MONTAGE MODE OPTIONS
     These additional options can be used for index, montage and
     (partially) thumbnail mode.

     -a, --alpha int
             When drawing thumbnails onto the background, set their
             transparency level to int (0 - 255).

     -b, --bg file | trans
             Use file as background for your montage.  With this
             option specified, the montage size will default to the
             size of file if no size restrictions were specified.
             Alternatively, if file is "trans", the background will
             be made transparent.

     -X, --ignore-aspect
             By default, the montage thumbnails will retain their
             aspect ratios, while fitting into thumb-width/-height.
             This options forces them to be the size set by
             --thumb-width and --thumb-height.  This will prevent
             any empty space in the final montage.

     -H, --limit-height pixels
             Limit the height of the montage.

     -W, --limit-width pixels
             Limit the width of the montage, defaults to 800 pixels.

             If both --limit-width and --limit-height are specified,
             the montage will be exactly width x height pixels in
             dimensions.

     -o, --output file
             Save the created montage to file.

     -O, --output-only file
             Just save the created montage to file without display‐
             ing it.

     -s, --stretch
             Normally, if an image is smaller than the specified
             thumbnail size, it will not be enlarged.  If this
             option is set, the image will be scaled up to fit the
             thumnail size.  Aspect ratio will be maintained unles
             --ignore-aspect is specified.

     -E, --thumb-height pixels
             Set thumbnail height.

     -y, --thumb-width pixels
             Set thumbnail width.

     -J, --thumb-redraw n
             Only relevant for --thumbnails: Redraw thumbnail window
             every n images.  In feh <= 1.5, the thumbnail image
             used to be redrawn after every computed thumbnail (so,
             it updated immediately).  However, since the redrawing
             takes quite long (especially for thumbnail mode on a
             large filelist), this turned out to be a major perfor‐
             mance penalty.  As a workaround, the thumbnail image is
             redrawn every 10th image now by default. Set n = 1 to
             get the old behaviour, n = 0 will only redraw once all
             thumbnails are loaded.

INDEX MODE OPTIONS
     -@, --title-font font
             Set font to print a title on the index, if no font is
             specified, no title will be printed.

BACKGROUND SETTING
     feh can also be used as a background setter.  Unless you pass
     the --no-fehbg option, it will store the command line necessary
     to set the background in ~/.fehbg, so to have your background
     restored everytime you start X, you can add "eval $(cat
     ~/.fehbg)" to your X startup script (like ~/.xinitrc).

     Note that all options except --bg-tile support Xinerama.  For
     instance, if you have multiple screens connected and use e.g.
     --bg-center, feh will center the image on each screen.  You may
     even specify more than one file, in that case, the first file
     is set on screen 0, the second on screen 1, and so on.

     Use --no-xinerama to treat the whole X display as one screen
     when setting wallpapers.

     --bg-center
             Center the file on the background.  If it is too small,
             it will be surrounded by a black border

     --bg-fill
             Like --bg-scale, but preserves aspect ratio by zooming
             the image until it fits.  Either a horizontal or a ver‐
             tical part of the image will be cut off

     --bg-max
             Like --bg-fill, but scale the image to the maximum size
             that fits the screen with black borders on one side.

     --bg-scale
             Fit the file into the background without repeating it,
             cutting off stuff or using borders.  But the aspect
             ratio is not preserved either

     --bg-tile
             Tile (repeat) the image in case it is too small for the
             screen

     --no-fehbg
             Do not write a ~/.fehbg file

FORMAT SPECIFIERS
     %f      Image path/filename

     %F      Escaped image path/filename (for use in shell commands)

     %h      Image height

     %l      Total number of files in filelist

     %m      Current mode

     %n      Image name

     %N      Escaped image name

     %p      Number of image pixels

     %P      feh

     %s      Image size in bytes

     %S      Image size in kilobytes (with kB postfix)

     %t      Image format

     %u      Number of current file

     %w      Image width

     %v      feh version

CONFIGURATION
     feh has two config files: themes for theme definitions and keys
     for key bindings.  It will try to read them from
     $XDG_CONFIG_HOME/feh/, which (when XDG_CONFIG_HOME is unset)
     defaults to ~/.config/feh/.  If the files are not found in that
     directory, it will also try /etc/feh/.

     All config files treat lines starting with a "#" character as
     comments.  Note that mid-line comments are not supported.

THEMES CONFIG SYNTAX
     This file allows the naming of option groups, called themes.

     It takes entries of the form "theme options ...", where theme
     is the name of the entry and options are the options which will
     be applied when the theme is used.

     An example entry would be "imagemap -rVq --thumb-width 40
     --thumb-height 30".

     You cane use this theme in two ways.  Either call "feh
     -Timagemap *.jpg" or create a symbolic link to feh with the
     name of the theme you want it to use.  So from the example
     above: "ln -s `which feh ` ~/bin/imagemap".  Now just run
     "imagemap *.jpg" to use these options.

     Note that you can split a theme over several lines by placing a
     backslash at the end of a line, like in the shell.

     You can combine these themes with commandline options.  An
     example fehrc is provided with a couple of cool example themes.

KEYS CONFIG SYNTAX
     This file defines the key bindings. It has entries of the form
     "action [key1 [key2 [key3]]]".

     Each key is an X11 keysym name as shown by xev(1), like
     "Delete".  It may optionally start with modifiers for things
     like Control, in which case key looks like mod-keysym (for
     example "C-Delete" for Ctrl+Delete or "C-1-Delete" for
     Ctrl+Alt+Delete)

     Available modifiers are C for Control, S for Shift and 1, 4 for
     Mod1 and Mod4.

     Specifying an action without any keys unbinds it (i.e. the
     default bindings are removed).

     For a list of the action names, see KEYS.

KEYS
     In an image window, the following keys may be used (The strings
     in [square brackets] are the config action names):

     a [toggle_actions]
             Toggle actions display (see --draw-actions)

     A [toggle_aliasing]
             Enable/Disable anti-aliasing

     c [toggle_caption]
             Caption entry mode.  If --caption-path has been speci‐
             fied, then this enables caption editing.  The caption
             at the bottom of the screen will turn yellow and can be
             edited.  Hit return to confirm and save the caption, or
             escape to cancel editing.  Note that you can insert an
             actual newline into the caption using ⟨CTRL+return⟩.

     e [toggle_exif]
             (only if compiled with exif=1) Toggle EXIF tag display

     d [toggle_filenames]
             Toggle filename display (see --draw-filename)

     f [save_filelist]
             Save the current filelist to a unique filename

     h [toggle_pause]
             Pause/Continue the slideshow.  When it is paused, it
             will not automatically change slides based on
             --slideshow-delay.

     i [toggle_info]
             Toggle info display (see --info)

     m [toggle_menu]
             Show menu.  Use the arrow keys and return to select
             items, ⟨escape⟩ to close the menu.

     n, ⟨Space⟩, ⟨Right⟩ [next_img]
             Show next image

     o [toggle_pointer]
             Toggle pointer visibility

     p, ⟨Backspace⟩, ⟨Left⟩ [prev_img]
             Show previous image

     q, ⟨Escape⟩ [quit]
             Quit feh

     r [reload_image]
             Reload current image.  Useful for webcams

     s [save_image]
             Save the current image to a unique filename

     v [toggle_fullscreen]
             Toggle fullscreen

     w [size_to_image]
             Change window size to fit current image size

     x [close]
             Close current window

     z [jump_random]
             Jump to a random position in the current filelist

     <, > [orient_3, orient_1]
             In place editing - rotate the images 90 degrees
             (counter)clockwise.  The rotation is lossless, but may
             create artifacts in some image corners when used with
             JPEG images.  Rotating in the reverse direction will
             make them go away.  See jpegtran(1) for more about
             lossless JPEG rotation.

     _ [flip]
             In place editing - vertical flip

     | [mirror]
             In place editing - horizontal flip.  Again, see
             jpegtran(1) for more information.

     0 .. 9 [action_0 .. action_9]
             Execute the corresponding action (0 = --action, 1 =
             --action1 etc.)

     ⟨Return⟩ [action_0]
             Run the command defined by --action

     ⟨home⟩ [jump_first]
             Show first image

     ⟨end⟩ [jump_last]
             Show last image

     ⟨page up⟩ [jump_fwd]
             Go forward ~5% of the filelist

     ⟨page down⟩ [jump_back]
             Go backward ~5% of the filelist

     + [reload_plus]
             Increase reload delay

     - [reload_minus]
             Decrease reload delay

     ⟨delete⟩ [remove]
             Remove current file from filelist

     ⟨CTRL+delete⟩ [delete]
             Remove current file from filelist and delete it

     ⟨keypad left⟩, ⟨Ctrl+Left⟩ [scroll_left]
             Scroll to the left

     ⟨keypad right⟩, ⟨Ctrl+Right⟩ [scroll_right]
             Scroll to the right

     ⟨keypad up⟩, ⟨Ctrl+Up⟩ [scroll_up]
             Scroll up

     ⟨keypad down⟩, ⟨Ctrl+Down⟩ [scroll_down]
             Scroll down.  Note that the scroll keys work without
             anti-aliasing for performance reasons, hit the render
             key after scrolling to antialias the image.

     ⟨Alt+Left [scroll_left_page]⟩
             Scroll to the left by one page

     ⟨Alt+Right [scroll_right_page]⟩
             Scroll to the right by one page

     ⟨Alt+Up [scroll_up_page]⟩
             Scroll up by one page

     ⟨Alt+Down [scroll_down_page]⟩
             Scroll down by one page

     ⟨keypad begin⟩ [render]
             Antialias the image

     ⟨keypad +⟩, ⟨Up⟩ [zoom_in]
             Zoom in

     ⟨keypad -⟩, ⟨Down⟩ [zoom_out]
             Zoom out

     ⟨keypad *⟩ [zoom_default]
             Zoom to 100%

     ⟨keypad /⟩ [zoom_fit]
             Zoom to fit the window size

   MENU KEYS
     The following keys bindings are used for the feh menu:

     ⟨Escape⟩ [menu_close]
             Close the menu

     ⟨Up⟩ [menu_up]
             Highlight previous menu item

     ⟨Down⟩ [menu_down]
             Highlight next menu item

     ⟨Left⟩ [menu_parent]
             Highlight parent menu item

     ⟨Right⟩ [menu_child]
             Highlight child menu item

     ⟨Return⟩, ⟨Space⟩ [menu_select]
             Select highlighted menu item

BUTTONS CONFIG SYNTAX
     This works like the keys config file: the entries are of the
     form "action [binding]".

     Each binding is a button name.  It may optionally start with
     modifiers for things like Control, in which case binding looks
     like mod-button (for example C-1 for Ctrl + Left button).

     For the available modifiers, see KEYS CONFIGURATION SYNTAX.

   BUTTONS
     In an image window, the following buttons may be used (The
     strings in [square brackets] are the config action names):

     [reload]
             Reload current image

     1 ⟨left mouse button⟩ [pan]
             pan the current image

     2 ⟨middle mouse button⟩ [zoom]
             Zoom the current image

     3 ⟨right mouse button⟩ [menu]
             Toggle menu

     4 ⟨mousewheel down⟩ [prev]
             Show previous image

     5 ⟨mousewheel up⟩ [next]
             Show next image

     Ctrl+1 [blur]
             Blur current image

     Ctrl+2 [rotate]
             Rotate current image

MOUSE ACTIONS
     When viewing an image, by default mouse button 1 pans (moves
     the image around) or, when only clicked, moves to the next
     image (slideshow mode only); button 2 zooms (click and drag
     left->right to zoom in, right->left to zoom out, click once to
     restore zoom to 100%); and mouse button 3 opens the menu.

     CTRL+Button 1 blurs or sharpens the image (drag left to blur,
     right to sharpen); CTRL+Button 2 rotates the image around the
     center point.

     A note about pan and zoom modes: In pan mode, if you reach a
     window border but haven't yet panned to the end of the image,
     feh will warp your cursor to the opposite border so you can
     continue panning.

     When clicking the zoom button and immediately releasing it, the
     image will be back at 100% zoom.  When clicking it and moving
     the mouse while holding the button down, the zoom will be con‐
     tinued at the previous zoom level.  The zoom will always happen
     so that the pixel on which you entered the zoom mode remains
     stationary.  So, to enlarge a specific part of an image, click
     the zoom button on that part.

SIGNALS
     In slideshow mode, feh handles the following signals:

     SIGUSR1
             Switch to next image

     SIGUSR2
             Switch to previous image

USAGE EXAMPLES
     Here are some examples of useful option combinations. See also:
     ⟨http://feh.finalrewind.org/examples/⟩

     feh /opt/images
             Show all images in /opt/images

     feh -r /opt/images
             Recursively show all images found in /opt/images and
             subdirectories

     feh -rSfilename /opt/images
             Same as above, but sort by filename. By default, feh
             will show files in the order it finds them on the hard
             disk, which is usually somewhat random.

     feh -t -Sfilename -E 128 -y 128 -W 1024 /opt/images
             Show 128x128 pixel thumbnails, limit window width to
             1024 pixels.

     feh -t -Sfilename -E 128 -y 128 -W 1024 -P -C
             /usr/share/fonts/truetype/ttf-dejavu/ -e DejaVuSans/8
             /opt/images
             Same as above, but enable thumbnail caching in
             ~/.thumbnails and use a smaller font.

     feh -irFarial/14 -O index.jpg /opt/images
             Make an index print of /opt/images and all directories
             below it, using 14 point Arial to write the image info
             under each thumbnail.  Save the image as index.jpg and
             don't display it, just exit.  Note that this even works
             without a running X server

     feh --unloadable -r /opt/images
             Print all unloadable images in /opt/images, recursively

     feh -f by_width -S width --reverse --list .
             Write a list of all images in the directory to
             by_width, sorted by width (widest images first)

     feh -w /opt/images/holidays
             Open each image in /opt/images/holidays in its own win‐
             dow

     feh -FD5 -Sname /opt/images/presentation
             Show the images in .../presentation, sorted by name, in
             fullscreen, automatically change to the next image
             after 5 seconds

     feh -rSwidth -A "mv %F ~/images/%N" /opt/images
             View all images in /opt/images and below, sorted by
             width, move an image to ~/image/image_name when enter
             is pressed

     feh --start-at ./foo.jpg .
             View all images in the current directory, starting with
             foo.jpg.  All other images are still in the slideshow
             and can be viewed normally

     feh --start-at foo.jpg *
             Same as above

     feh --info "exifgrep
             '(Model|DateTimeOriginal|FNumber|ISO|Flash)' %F | cut
             -d . -f 4-" .
             Show some EXIF information, extracted by exif‐
             probe/exifgrep

TILING WINDOW MANAGERS
     feh was created with a floating window layout in mind.  How‐
     ever, as of 2.0.1, it has limited support for tiling window
     managers.

     Specifically, the --scale-down and --auto-zoom options will
     detect a tiling environment and scale the image up / down to
     the current window size.  Unfortunately, this causes every
     image to be rendered twice: First in a normal fashion, and then
     (after noticing that the window is being tiled) again with the
     correct zoom level.

     This is a known bug and will hopefully get fixed some time. For
     now, it can be avoided by using --geometry 500x500 (or any
     other geometry).  This will have the same behaviour as
     --scale-down, but without the flickering.

DEPENDENCIES
     feh requires the jpegtran binary (usually distributed in
     "libjpeg-progs" or similar) for lossless rotation.

     To view images from URLs such as http://, you need feh compiled
     with libcurl support (enabled by default).  See the VERSION
     section.

BUGS
     In a Xinerama setup, fullscreen mode only works properly on
     screen 0.  Set XINERAMA_SCREEN to the correct screen number or
     toggle fullscreen off, then on as a workaround.

     Thumbnail mode is somewhat inefficient, and because of that not
     nearly as fast as it could be.

   REPORTING BUGS
     If you find a bug, please report it to ⟨derf@finalrewind.org⟩
     or via ⟨http://github.com/derf/feh/issues⟩.  You are also wel‐
     come to direct any feh-related comments/questions/... to #feh
     on irc.oftc.net.

     Please include the feh version ⟨the output of "feh --version"⟩,
     steps to reproduce the bug and, if necessary, images to repro‐
     duce it.

FUTURE PLANS
     Plans for the following releases:
     ·   Make zoom options more intuitive

LICENSE
     Copyright (C) 1999, 2000 by Tom Gilbert (and various contribu‐
     tors).  Copyright (C) 2010 by Daniel Friesel (and even more
     contributors).

     Permission is hereby granted, free of charge, to any person
     obtaining a copy of this software and associated documentation
     files (the "Software"), to deal in the Software without
     restriction, including without limitation the rights to use,
     copy, modify, merge, publish, distribute, sublicense, and/or
     sell copies of the Software, and to permit persons to whom the
     Software is furnished to do so, subject to the following condi‐
     tions:

     The above copyright notice and this permission notice shall be
     included in all copies of the Software and its documentation
     and acknowledgment shall be given in the documentation and
     software packages that this Software was used.

     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONIN‐
     FRINGEMENT.  IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
     CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CON‐
     TRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
     WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

     Current developer: Daniel Friesel ⟨derf@finalrewind.org⟩

     Original author (no longer developing): Tom Gilbert
     ⟨feh_sucks@linuxbrit.co.uk⟩

     See also: http://feh.finalrewind.org

BSD                       February 03, 2012                      BSD
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