Find and Replace text within file(s)
Munge.exe has been dropped from the Resource Kit in Windows 2000 and above.
One alternative is change.exe (zip) as distributed with the Microsoft Installation Framework.
"I understand that change is frightening for people, especially if there's nothing to go to. It's best to stay where you are. I understand that" ~ Princess Diana
VBScript - Search and replace text
FOR - Conditionally perform a command several times.
FIND - Search for a text string in a file
FINDSTR - Search for strings in files
QGREP - Search file(s) for lines that match a given pattern
Equivalent bash command (Linux): gawk - Find and Replace text within file(s)