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set env var NSXIV_USING_NULL for key-handler and update docs

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Co-authored-by: Berke Kocaoğlu <berke.kocaoglu@metu.edu.tr>
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NRK
2021-11-19 16:08:39 +06:00
committed by N-R-K
parent 2df33208d7
commit 43fcd2e02e
3 changed files with 19 additions and 8 deletions
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12
examples/key-handler
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@ -3,10 +3,14 @@
# Example for $XDG_CONFIG_HOME/nsxiv/exec/key-handler
# Called by nsxiv(1) after the external prefix key (C-x by default) is pressed.
# The next key combo is passed as its first argument. Passed via stdin are the
# images to act upon, one path per line: all marked images, if in thumbnail
# mode and at least one image has been marked, otherwise the current image.
# nsxiv(1) blocks until this script terminates. It then checks which images
# have been modified and reloads them.
# images to act upon: all marked images, if in thumbnail mode and at least one
# image has been marked, otherwise the current image. nsxiv(1) will block until
# the handler terminates. It then checks which images have been modified and
# reloads them.
# By default nsxiv(1) will send one image per-line to stdin, however when using
# -0 the image list will be NULL separated and the enviornment variable
# "$NSXIV_USING_NULL" will be set to 1.
# The key combo argument has the following form: "[C-][M-][S-]KEY",
# where C/M/S indicate Ctrl/Meta(Alt)/Shift modifier states and KEY is the X