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#!/bin/sh
SCRIPT="$(basename $0)"
help() {
cat <<-EOF
$SCRIPT
Toby Vincent <tobyv13@gmail.com>
$SCRIPT is a script for managing and navigating a persistent temp directory. In
order to function properly, this script must be sourced in the currently shell.
Consider setting an alias such as
alias td=". $SCRIPT"
USAGE:
$SCRIPT [OPTIONS] <COMMAND>
$SCRIPT [OPTIONS]
OPTIONS:
-h, --help Display this message
-f, --force Use the --force argument when removing TD
ARGS:
toggle (default)
Switch between TD_ORIGIN and TD. This will create TD if it does not
exist. This is the default if no command is provided.
new | create
Creates a new temp directory and cds into it it stores the path
to the temp directory in TD, and the path to the previous directory in
TD_ORIGIN.
rm | remove
Removes the directory stored in TD unsets TD and TD_ORIGIN.
ls | list | show
Shows the current values for TD and TD_ORIGIN
EOF
}
echo_err() {
echo >&2 "$SCRIPT: $@"
}
rm_args="-r"
while test $# -gt 0; do
case $1 in
--help | -h)
help
return 0
;;
--force | -f)
rm_args="-rf"
shift
;;
*) break ;;
esac
done
show() {
if [ ! -n "$TD" ]; then
echo_err "Not set"
return 1
fi
echo "TD=$TD"
echo "TD_ORIGIN=$TD_ORIGIN"
}
remove() {
if [ ! -n "$TD" ]; then
echo_err "Not set"
return 1
fi
rm "$rm_args" "$TD"
echo "removed $TD"
if [ "$PWD" = "$TD" ]; then
cd "$TD_ORIGIN"
fi
unset TD
unset TD_ORIGIN
}
create() {
remove 2>/dev/null
td=$(mktemp -d)
export TD="$td"
export TD_ORIGIN="$PWD"
echo "created $TD"
cd "$TD"
}
toggle() {
if [ "$PWD" = "$TD" ]; then
cd "$TD_ORIGIN"
elif [ -n "$TD" ]; then
cd "$TD"
else
create
fi
}
case $1 in
ls | list | show)
show
;;
rm | remove)
remove
;;
new | create)
create
;;
* | toggle)
toggle
;;
esac
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