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Maybe when forced to incrementally "port" a legacy bash script to Perl. I have re-implemented some bash scripts in the past.

One legacy bash scripts that stands out in my memory, had several embedded AWK and Sed scripts. Management was very sceptical, so I had to do it incrementally. Phase 0, I replaced the AWK and Sed scripts with Perl equivalents. In some cases, I was able combine adjacent AWK/Sed scripts into a single Perl script. This was fortuitous because it gave a small but measurable performance boost. After demonstrating the new version worked correctly, I moved to phase 1 to re-implement the rest of the script, which was straight forward. The end result was much faster and much less fragile, therefor much easier to maintain and improve.


In reply to Re^2: RFC Using PERL HEREDOC script within bash by RonW
in thread RFC Using PERL HEREDOC script within bash by dcronin135

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