zsh-goto/label

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#!/usr/bin/zsh
: "${1:=--help}"
case "$1" in
-h|--help|help)
cat <<EOF
Usage:
$ label [add | get | rm | ls]
Set, list or manipulate configured labeles.
Note: the words 'help' and 'ls' among others are reserved, and cannot be labeled.
EOF
;;
add)
label rm "$2"
_sed -i '' -e '$a\' `_goto_file` # Fix potentially missing last newline
printf '%s %s\n' "${1}" $(echo "$2" | _sed "s^${HOME}^~^g") >> `_goto_file`
;;
get)
realpath "$(_awk "/^$2\s/ {print \$2;exit}" `_goto_file` | _sed "s|^~|$HOME|")"
;;
rm)
_sed -i "^$2^d" `_goto_file`
;;
ls)
_awk '{print $1;}' `_goto_file`
;;
*)
echo "Unknown command: $@" >&2
exit 1
;;
esac