initial versionHEADmaster

1 files changed, 20 insertions, 0 deletions

diff --git a/dirstack.sh b/dirstack.sh
new file mode 100644
index 0000000..37c3bf3
--- /dev/null
+++ b/dirstack.sh
@@ -0,0 +1,20 @@
+pushd() {
+	_topush=$(pwd)
+	cd "${1+"$@"}" && _DIRSTACK="$(printf '%s\n' ${_topush} ${_DIRSTACK})"
+	unset _topush
+}
+
+popd() {
+	if [ -z "${_DIRSTACK}" ]; then
+		printf 'popd: directory stack is empty\n'
+		return 1
+	fi
+
+	cd $(dirs | head -n1)
+	pwd
+	_DIRSTACK="$(dirs | tail +2)"
+}
+
+dirs() {
+	printf '%s\n' ${_DIRSTACK}
+}