I would use split. 
#!/usr/bin/perl

use Modern::Perl;
use Data::Dumper;

my @lines = (
"ATOM 1276 CB ASP B 63 52.957 58.788 67.683 1.00 44.59 C",
"ATOM 1280 N GLY B 64 52.075 55.496 66.522 1.00 35.29 N",
"ATOM 1281 CA GLY B 64 51.005 54.534 66.322 1.00 32.64 C",
"ATOM 1282 C GLY B 64 49.693 55.103 65.854 1.00 30.87 C",
"ATOM 1283 O GLY B 64 48.630 54.545 66.092 1.00 27.93 O",
"ATOM 1284 N LYS B 65 49.739 56.255 65.189 1.00 31.10 N",
"ATOM 1285 CA LYS B 65 48.527 56.912 64.720 1.00 33.91 C",
"ATOM 1286 C LYS B 65 48.629 57.147 63.216 1.00 32.04 C",
"ATOM 1287 O LYS B 65 49.675 57.571 62.721 1.00 31.87 O",
);

  
my @wants;
for my $line (@lines) {
  push @wants, join ' | ', (split " ", $line)[3,6,7,10,11];    
}
print Dumper(\@wants);

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In reply to Re: newbie need help with a simple code by kielstirling
in thread newbie need help with a simple code by perlmonk007

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