10-29-2013
Backup everything first!
First I'd focus on making sure you have a proper list of the script files to be changed as you have a lot of non-scripts files in that tree (eg .rpm repositories menu data files and the like).
Perhaps find file that have the executable bit set and the file command reports as "shell script" or "ASCII text". You could very well find that only 30 or 40 of these 295 files are actually shell scripts.
Once you get replacement code produce the new scripts in another folder and then use diff to vet what it's doing. Look over it carefully looking any exceptions/incorrect replacements.
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