Re: In-place search and replace confined to a specific column

You're using the wrong operator. You are assigning to $F[0] instead of using regex binding.

perl -pi -w -lane '$F[0] =~ s/AAA/BB/;' *.txt
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could work.

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Re^2: In-place search and replace confined to a specific column by Anonymous Monk on Jan 29, 2016 at 09:55 UTC
I did try this originally, but unlike '=', '=~' fails to replace anything at all unless -w and -pi are removed - but that then prevents me from batch processing all .txt files.	[reply]
Re^3: In-place search and replace confined to a specific column by Discipulus (Canon) on Jan 29, 2016 at 10:05 UTC
hello, are not `-p` and `-n` togheter, a nonsense? L* There are no rules, there are no thumbs.. Reinvent the wheel, then learn The Wheel; may be one day you reinvent one of THE WHEELS.	[reply] [d/l] [select]