Don't allow the user to add shortcuts whose name conflict with commands

1 files changed, 16 insertions, 1 deletions

diff --git a/g.sh b/g.sh
index 7066319..4713780 100644
--- a/g.sh
+++ b/g.sh
@@ -63,9 +63,20 @@ save_shortcuts() {
     done
 }
 
+# Returns true if the given parameter is a keyword, false otherwise.
+is_keyword() {
+    case "$1" in
+    add | rm | list | -v | --version | -h | --help)
+        return 0
+        ;;
+    *)
+        return 1
+    esac
+}
+
 # The main function for this script.
 g() {
-    version="0.3.3"
+    version="0.3.4"
     cmd="$1"
     gfile=$HOME/.gfile
     declare -A gshortcuts
@@ -95,6 +106,10 @@ g() {
                 return
             fi
         fi
+        if is_keyword $2; then
+            echo "Cannot use '$2': keyword."
+            return
+        fi
         get_shortcuts
         gshortcuts[$2]=$path
         save_shortcuts