does it have to be done in perl? you can do it with one substitution command in sed/vi/ex. you can even save this tiny command script and apply it again whenever you get such a file to mangle again.
in vi:
%s/\|\([0-9]\)/|+615\1/

[download]

In reply to Re: Substitution of text within a file by aquarium
in thread Substitution of text within a file by Anonymous Monk

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