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1424621700, 2015-02-22 16:15:00, 4294.700 1424621760, 2015-02-22 16:16:00, 4289.700 ... 1424621880, 2015-02-22 16:18:00, 4302.800 1424621940, 2015-02-22 16:19:00, 4296.900 1424622000, 2015-02-22 16:20:00, 4301.000
#!/usr/bin/perl ... my $first_line = $splits; print "$first_line\n"; }