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|
#!/bin/sh
set -eu
usage() {
cat <<-'EOF'
Usage:
bins [-F]
bins -h
EOF
}
help() {
cat <<-'EOF'
Options:
-F force remove the cache file
-h, --help show this message
List the available binaries in $PATH. The result is cached on
the $XDG_CACHE_HOME/euandreh/bins file if $PATH values didn't
change.
Examples:
Pick an executable using `dmenu`:
$ bins | dmenu
EOF
}
for flag in "$@"; do
case "$flag" in
(--)
break
;;
(--help)
usage
help
exit
;;
(*)
;;
esac
done
FORCE=false
while getopts 'Fh' flag; do
case "$flag" in
F)
FORCE=true
;;
(h)
usage
help
exit
;;
(*)
usage >&2
exit 2
;;
esac
done
shift $((OPTIND- 1))
F="$XDG_CACHE_HOME/euandreh/bins"
if [ "$FORCE" = true ]; then
rm -f "$F"
fi
IFS=:
# Word-splitting is the goal:
# shellcheck disable=2086
if stest -rdq -n "$F" $PATH; then
T="$(mkstemp)"
trap 'rm -f "$T"' EXIT
stest -lxf $PATH | sort -u > "$T"
mv "$T" "$F"
fi
cat "$F"
|
