Re: how to make sed case INsensitive

Though the other answers are probably more desirable, just for comparison, here's what you actually asked for (untested):

# You may also want additional substitutions
# to backwhack  sed metacharacters, e.g.
# $search =~ s/\./\\./g;
$search =~ s/([[:alpha:]])/"[".lc($1).uc($1)."]"/ge;
system "sed -e s/$search/$replace/g $write1 > $write2";
[download]

But it's much easier to use the case insensitive regex switch in perl :-)
Update: Updated code. In reply to AM: I'm just creating sed character classes, which, e.g., replaces "a" with "[aA]" to make it case insensitive.

Comment on Re: how to make sed case INsensitive Select or Download Code

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Re: Re: how to make sed case INsensitive by Anonymous Monk on Jun 06, 2003 at 21:12 UTC
can u explain me what u did to $search please thank you	[reply]
Re^3: how to make sed case INsensitive by Aristotle (Chancellor) on Jun 07, 2003 at 00:14 UTC
It's a waste of a process and computing time to do it that way and creates a needless dependency on an external tool. Why do you insist on sed? Makeshifts last the longest.	[reply]