update

1 files changed, 7 insertions, 10 deletions

diff --git a/pb b/pb
index c4cdd38..cc91933 100755
--- a/pb
+++ b/pb
@@ -12,11 +12,8 @@ pb_nc () {
 
 pb_fg () {
 
-  if [ -z "$1" ] || [ "$1" -eq "$1" ] >/dev/null 2>&1; then
-    true
-  else
-    echo "bad parameter";
-    exit;
+  if [ -z "$1" ] || ! [ "$1" -eq "$1" ] >/dev/null 2>&1; then
+    return 1
   fi
 
   local x
@@ -26,15 +23,14 @@ pb_fg () {
     printf %s "\033[38;5;$1m"
   fi
 
+  return 0
+
 }
 
 pb_bg () {
 
-  if [ -z "$1" ] || [ "$1" -eq "$1" ] >/dev/null 2>&1; then
-    true
-  else
-    echo "bad parameter";
-    exit;
+  if [ -z "$1" ] || ! [ "$1" -eq "$1" ] >/dev/null 2>&1; then
+    return 1
   fi
 
   local x
@@ -44,6 +40,7 @@ pb_bg () {
     printf %s "\033[48;5;$1m"
   fi
 
+  return 0
 }    
 	
 # end 256 colour functions