Avoid exiting repl alg on error

1 files changed, 2 insertions, 2 deletions

diff --git a/alg b/alg
index e3a53a9..6784cf6 100755
--- a/alg
+++ b/alg
@@ -158,7 +158,7 @@ run() {
         letter1="$(echo "$letters" | cut -c 1)"
         letter2="$(echo "$letters" | cut -b 2)"
 
-        [ -z "$letter1" ] && usage && exit 1
+        [ -z "$letter1" ] && usage && return
 
         case "$type" in
         c)
@@ -184,7 +184,7 @@ run() {
                 fi
                 ;;
         *)
-                usage && exit 1
+                usage && return
                 ;;
         esac
 }