I had this lying around. You may be able to adapt it
to your needs. See also
perldoc:perlrun and the
-F + -a options.
cat ./bin/ncut
#!/usr/bin/perl -l -a -w -s -F/\t/ -n
=pod
ncut '-f=field1,field4,total*' file.tsv
ncut - named and ordered field cut
can sneak in perl regexp stuff
=cut
BEGIN {
die "use -f=name1,name2" unless $f;
my @f = split /,/, $f;
{ no warnings 'once';
$_ = <>; }
chomp;
@F = split /\t/;
#$re = join '|', @f; @keep = grep { $F[$_] =~ /($re)$/ } 0..$#
+F;
for $f (@f) {
push @keep, grep { $F[$_] =~ /$f/ } 0..$#F;
}
print join "\t", @F[@keep];
}
print join "\t", @F[@keep];
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