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#!/bin/sh
# This is a wrapper script for lf that allows it to create image previews with
# ueberzug. This works in concert with the lf configuration file and the
# lf-cleaner script.
cleanuplf() {
exec 3>&-
\rm "$FIFO_UEBERZUG"
}
lfub() {
dircache=/tmp/$USER-lflastdir
lfopt="--last-dir-path=$dircache"
if [ -n "$SSH_CLIENT" ] || [ -n "$SSH_TTY" ]; then
lf "$lfopt" "$@"
else
export FIFO_UEBERZUG="/tmp/ueberzug-$$"
mkfifo "$FIFO_UEBERZUG"
ueberzug layer -s <"$FIFO_UEBERZUG" -p json &
exec 3>"$FIFO_UEBERZUG"
trap cleanuplf HUP INT QUIT TERM PWR EXIT
lf "$lfopt" "$@" 3>&-
fi
[ -f "$dircache" ] && dir="$(cat "$dircache")" && [ -d "$dir" ] && cd "$dir"
}
alias lf="lfub"
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