From 36dfcdfe1c26f38e66ad4c3b086cc5a0d388bd8f Mon Sep 17 00:00:00 2001
From: Philip Wittamore <philip@wittamore.com>
Date: Sun, 18 May 2025 19:01:12 +0200
Subject: update

---
 pb_colour | 24 +++++++++++-------------
 1 file changed, 11 insertions(+), 13 deletions(-)

(limited to 'pb_colour')

diff --git a/pb_colour b/pb_colour
index 5fe6240..89e82bd 100755
--- a/pb_colour
+++ b/pb_colour
@@ -1,6 +1,8 @@
 #!/usr/bin/env bash
 
-#--- 88/256 colour functions 
+#--- colour functions
+# tested on 16/88/256/truecolor TERM definitions
+# limited to 256 colours
 # usage:
 #   source ./pb
 #   printf %b "$(pb_bg 196)$(pb_fg 254) RED $(pb_nc)\n"
@@ -8,19 +10,19 @@
 pb_ctest() {
 
   if [ -z "$TERM" ] ; then
-    return 0
+    return 1
   fi
   
-  case $1 in '' | *[!0-9]* ) return 0;; esac
+  case $1 in '' | *[!0-9]* ) return 1;; esac
 
   local x
   x=$(tput colors)
 
   if [ -z "$1" ] || (("$1" > "$x")) ; then
-    return 0
+    return 1
   fi
-
-  return 1
+  
+  return 0
 }
 
 pb_terminfo() {
@@ -31,17 +33,13 @@ pb_terminfo() {
 
 pb_nc() {
 
-  if eval pb_ctest ; then
     printf '\033[0;0m'
-    return 0
-  else
-    return 1
-  fi  	
+
 }
 
 pb_fg() {
 
-  if eval pb_ctest ; then
+  if pb_ctest $1; then
     printf %s "\033[38;5;$1m"
     return 0
   else
@@ -52,7 +50,7 @@ pb_fg() {
 
 pb_bg() {
 
-  if eval pb_ctest ; then
+  if pb_ctest $1; then
     printf %s "\033[48;5;$1m"
     return 0
   else
-- 
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