The perl community has a strong unix tradition. The programs above are written as filters and can be called on the command line as:

perl mycode.pl < inputfile > outputfile

[download]
or 
cat inputfile | perl mycode.pl > outputfile

[download]
etc....

In reply to Re^2: Numbering instances of a String in a file by Anonymous Monk
in thread Numbering instances of a String in a file by Anonymous Monk

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