qcd: Only add shortcut to database if it's new

If an existing shortcut in the database matches the one you're trying to
add, it doesn't get added.

In the future we might want to output an error message to let users
know that there was a problem.

1 files changed, 9 insertions, 1 deletions

diff --git a/qcd b/qcd
index 1b0cd3d..ebd68a4 100755
--- a/qcd
+++ b/qcd
@@ -30,6 +30,11 @@ function absolute_path () {
 	(cd "$(dirname '$1')" &>/dev/null && printf "%s/%s" "$PWD" "${1##*/}")
 }
 
+function find_shortcut () {
+	local shortcut=$1
+	return $(awk '{ print $1 }' $QCD_DATABASE_FILE | grep "^${shortcut}$" >/dev/null 2>&1; echo $?)
+}
+
 function qcd () {
 	if [[ $# < 1 ]]; then
 		print_usage
@@ -45,7 +50,10 @@ function qcd () {
 			local shortcut=$2
 			local path=$3
 
-			echo "${shortcut}	$(absolute_path ${path})" >> $QCD_DATABASE_FILE
+			# Don't add the shortcut if it already exists
+			if ! find_shortcut $shortcut; then
+				echo "${shortcut}	$(absolute_path ${path})" >> $QCD_DATABASE_FILE
+			fi
 			;;
 		-c)
 			;;