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Use perl runtime options. Specify input file on command line. Redirect output to a file with your shell.

#!perl -p use strict; use warnings; my @fields = split /,/; $fields[3] = $fields[3] > 310 ? 'volmed' : $fields[3] == 70 ? 'volmedl': $fields[3] ; $_ = join ',', @fields;
Bill

In reply to Re: replace/substituion 4th field by BillKSmith
in thread replace/substituion 4th field by hyans.milis

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