Hi,
your are using
$line too much.
For each individual scope you should add
my $line;.
#!/usr/local/bin/perl -w
use strict;
use warnings;
open (INFILE, "<$ARGV[0]") or die "unable to open file";
open (OUTFILE, ">$ARGV[1]") or die "unable to open file";
while (<INFILE>) {
my $line = $_;
print OUTFILE replace($line);
}
sub replace {
my $line = shift;
chomp ($line);
$line =~ s/data//;
$line =~ s/=//;
$line =~ s/detector//;
return $line."\n";
}
close(INFILE);
close(OUTFILE);
Sorry, pasted the wrong statement.
Now it is correct.