On Tue, Nov 01, 2011 at 05:41:27PM +0100, John Delacour wrote:
> Yes, just use a switch:
>
> #! /usr/bin/perl
> use strict;
> my $switch_on;
> while (<>) {
> $switch_on = 1 if /<caption>/;
> $switch_on = 0 if s/td>/th>/g;
> print;
> }
> __END__
What is the purpose of $switch_on here? You set it, but you never do
anything with its value, so you might as well just do this:
#!/usr/bin/perl
use strict;
while (<>) {
s/td>/th>/g;
print;
}
__END__
Ronald
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