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#!/bin/sh
# A screen-grab will be saved in $SCREEN_GRAB_DEST_DIR if set, otherwise
# in $HOME/screen_grab/ if it exsts; otherwise $HOME.
default_basename=screen_grab
default_extension=png
date_format=+%F_%H%M%S
chdir_to_destination()
{
local d
d=$HOME/$default_basename
if [ "$SCREEN_GRAB_DEST_DIR" ]
then cd "$SCREEN_GRAB_DEST_DIR"
elif [ -d "$d" ]
then cd "$d"
else cd
fi
}
choose_destination()
{
local stamp basename extension now
case $# in
1) ;;
0) now=$(date "$date_format")
DESTINATION=$default_basename.$now.$default_extension
return
;;
*) return 1 ;;
esac
case "$1" in
*.*)
basename=${1%.*}
extension=${1##*.}
;;
*)
basename=$1
extension=$default_extension
;;
esac
DESTINATION=$basename.$extension
}
get_out_the_way()
{
local stamp basename extension destination
[ -e "$1" ] || return 0
stamp=$(date -r "$1" "$date_format") || return
case "$1" in
*.*)
basename=${1%.*}
extension=${1##*.}
destination=$basename.$stamp.$extension
;;
*)
destination=$1.$stamp
;;
esac
[ ! -e "$destination" ] || return
mv "$1" "$destination"
}
set -e
chdir_to_destination
choose_destination "$@"
get_out_the_way "$DESTINATION"
import "$DESTINATION"
marginate "$DESTINATION"
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