On Sun, 2 Jul 2000, Anthony E. Greene wrote:
> SoloCDM wrote:
> >
> > While using grep, what is the best way to search for two subjects
> > within the same line instead of the following?
> >
> > cat <filename> | grep <subject_one> | grep <subject_two>
> >
> > This is not an "or" search with "-e", but an "and" search.
>
> grep "^Subject:.*subject1.*subject2" filename
But he said they didn't necesarily need to be in the order subject1,
subject2 which this requires.
Here is a short perl script that does just this. You could make a few
minor mods to call it with the subjects as the arguments instead of them
being hard coded, but this is what you want.
#!/usr/bin/perl -wn
BEGIN {
@terms = ('^Subject:', 'subject2', 'subject1');
}
my $match = 0;
foreach my $term (@terms) {
next unless /$term/i;
$match++;
}
print if $match == ($#terms + 1);
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