s/$pattern/$replace/g
On Tue, 5 Mar 2002, Tor Hildrum wrote:
> #!/usr/bin/perl -w
> use strict;
> use warnings;
>
> print "What file do you want to open?\n";
> chomp(my $openfile = <STDIN>);
> print "What file do you want to write to?\n";
> chomp(my $outfile = <STDIN>);
> print "What do you want to replace in the first file?\n";
> chomp(my $pattern = <STDIN>);
> print "What do you want to replace it with?\n";
> chomp(my $replace = <STDIN>);
>
> open (INFILE, "$openfile") or die "Can't open $openfile: $!\n";
> open (OUTFILE, ">$outfile") or die "Can't open $outfile: $!\n";
>
> while (<INFILE>) {
> if ($_ =~ /$pattern/i) {
> s/$pattern/$replace/;
> print OUTFILE $_; }
> else {
> print OUTFILE $_; }
> }
>
> The script is pretty self-explanatory.
> The problem is that it is only replacing the first match on each line.
> Is there a way to do this with regex?
> I think I could do something like: while($_ =~ /$pattern/i) {replace the
> lines}. But, I was wondering if this could be handled within my if-else
> structure?
>
> --
> T.
>
>
>
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