May be being too simplistic but 

What about 
Perl -p -I -e "s/special/\special/g;" files

-----Original Message-----
From: Mike Martin [mailto:[EMAIL PROTECTED] 
Sent: 16 January 2008 15:06
To: Beginners List
Subject: Ideas for matching several lines of code (C)

Hi I am trying to extract about 10 lines of C code from a file.

this is is basically what I am doing

I am changing every enstance of a special character to \special
character (to avoid errors)

then tryng to match this

ie:

print <something> if $source=~/$diff/sg

which gives no output - any tips on how to approach this

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