or, if you don't know what the words are ahead of time:
#!/usr/bin/perl -w
use strict;
my @approved = qw( foo bar);
@approved = map { $_ = quotemeta $_; ### very important
qr/$_/is; ## available in perl 6, not really needed
} @approved;
print "The approved list\n", join "\n", @approved;
my $merex = join ' && ', map "/$_/", @approved;
print "merex \n$merex\n\n";
if(@ARGV)
{
print "ARGV\n";
while(<DATA>)
{
print if eval $merex;
}
}
else
{
while(<DATA>)
{
my $toprint = 0;
for my $r(@approved)
{
$toprint++ if m/$r/;
}
print if $toprint == scalar @approved;
}
}
__DATA__
foo bar
bar foo
foo
bar
baz
barbazfoo
foofoobar
which yields:
F:\dev>perl f.pl 3
The approved list
(?si-xm:foo)
(?si-xm:bar)merex
/(?si-xm:foo)/ && /(?si-xm:bar)/
ARGV
foo bar
bar foo
barbazfoo
foofoobar
F:\dev>perl f.pl
The approved list
(?si-xm:foo)
(?si-xm:bar)merex
/(?si-xm:foo)/ && /(?si-xm:bar)/
foo bar
bar foo
barbazfoo
foofoobar
F:\dev>
Chore List: 1 - buy more coffee 2 - re-impress upon davorg the importance of rule 1
___crazyinsomniac_______________________________________
Disclaimer: Don't blame. It came from inside the void
perl -e "$q=$_;map({chr unpack qq;H*;,$_}split(q;;,q*H*));print;$q/$q;" |