qcd: Initial "add" command implementation

Add the specified shortcut and path to the database file. Expand the
given path to an absolute path so that it can be used from any working
directory.

Used "andsens"' answer on Stack Overflow for getting the absolute path:
http://stackoverflow.com/questions/7126580/expand-a-possible-relative-path-in-bash/17076258#17076258

1 files changed, 8 insertions, 0 deletions

diff --git a/qcd b/qcd
index 5c5d1aa..a4ee215 100755
--- a/qcd
+++ b/qcd
@@ -22,6 +22,10 @@ Usage:
 __EOF__
 }
 
+function absolute_path () {
+	(cd "$(dirname '$1')" &>/dev/null && printf "%s/%s" "$PWD" "${1##*/}")
+}
+
 function qcd () {
 	if [[ $# < 1 ]]; then
 		print_usage
@@ -32,6 +36,10 @@ function qcd () {
 
 	case $command in
 		-a)
+			local shortcut=$2
+			local path=$3
+
+			echo "${shortcut}	$(absolute_path ${path})" >> $QCD_DATABASE_FILE
 			;;
 		-c)
 			;;