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|
#!/usr/bin/env perl
use strict;
use warnings;
my $usage = "\nusage: $0 token_list_file file_to_join [-v]\n\n";
my $token_list_file = $ARGV[0] or die $usage;
my $file_to_join = $ARGV[1] or die $usage;
my $invert_selection = $ARGV[2] || 0;
my %tokens;
{
open (my $fh, $token_list_file) or die "Error, cannot open file $token_list_file";
while (<$fh>) {
while (/(\S+)/g) {
$tokens{$1} = 1;
}
}
close $fh;
}
open (my $fh, $file_to_join) or die "Error, cannot open file $file_to_join ";
while (<$fh>) {
my $line = $_;
chomp;
my @x = split (/\s+/);
my $found_token = 0;
foreach my $ele (@x) {
if ($tokens{$ele}) {
$found_token = 1;
last;
}
}
if ($found_token && !$invert_selection) {
print $line;
}
elsif ($invert_selection && !$found_token) {
print $line;
}
}
close $fh;
exit(0);
|
