From d381768c8f08b5d2a3a1f00b84cb8f738fec6657 Mon Sep 17 00:00:00 2001
From: Uriel <u@berlinblue.org>
Date: Wed, 26 Nov 2008 04:50:03 +0100
Subject: [PATCH] New helper function: crop_text

---
 bin/cgilib.rc | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/bin/cgilib.rc b/bin/cgilib.rc
index 1dc3ad3..1bc9cc3 100644
--- a/bin/cgilib.rc
+++ b/bin/cgilib.rc
@@ -94,6 +94,20 @@ BEGIN {
 '
 }
 
+fn crop_text {
+    max_chars = $0
+    awk -v max'='^$max_chars^' ' '
+    {
+        nc += 1 + length;
+        if(nc > max) {
+            print substr($0, 1, nc - max) "..."
+            exit
+        }
+        print
+    }' 
+}
+
+
 # Cookies
 fn set_cookie {
     # TODO: should check input values more carefully