From 8f9e4d54ecd9cca39c975b3107fb69a7b58e0057 Mon Sep 17 00:00:00 2001
From: Chris Koeritz <fred@gruntose.com>
Date: Sun, 29 Sep 2013 21:42:26 -0500
Subject: [PATCH] added pattern replacer.

---
 scripts/core/functions.sh | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/scripts/core/functions.sh b/scripts/core/functions.sh
index 62e92d5b..6f447a74 100644
--- a/scripts/core/functions.sh
+++ b/scripts/core/functions.sh
@@ -325,6 +325,23 @@ if [ -z "$skip_all" ]; then
     done
   }
 
+
+  # takes a file to modify, and then it will replace any occurrences of the
+  # pattern provided as the second parameter with the text in the third
+  # parameter.
+  function replace_pattern_in_file()
+  {
+    local file="$1"; shift
+    local pattern="$1"; shift
+    local replacement="$1"; shift
+    if [ -z "$file" -o -z "$pattern" -o -z "$replacement" ]; then
+      echo "replace_pattern_in_file: needs a filename, a pattern to replace, and the"
+      echo "text to replace that pattern with."
+      return 1
+    fi
+    sed -i -e "s/$pattern/$replacement/" "$file"
+  }
+
   function function_sentinel() { return 0; }
   
   if [ ! -z "$SHELL_DEBUG" ]; then echo function definitions end....; fi
-- 
2.34.1