[2] | 1 | #! /usr/bin/perl -w |
---|
| 2 | |
---|
| 3 | use strict; |
---|
| 4 | use warnings; |
---|
| 5 | |
---|
| 6 | # Removes the specified number of lines from the beginning of the file. |
---|
| 7 | # remove_beginning.pl [input] [num_lines] [output] |
---|
| 8 | |
---|
| 9 | die "Check arguments" unless @ARGV == 3; |
---|
| 10 | |
---|
| 11 | my $inputfile = $ARGV[0]; |
---|
| 12 | my $num_lines = $ARGV[1]; |
---|
| 13 | my $outputfile = $ARGV[2]; |
---|
| 14 | |
---|
| 15 | my $curCount=0; |
---|
| 16 | |
---|
| 17 | my $fhIn; |
---|
| 18 | open ($fhIn, "< $inputfile") or die "Cannot open source file"; |
---|
| 19 | |
---|
| 20 | my $fhOut; |
---|
| 21 | open ($fhOut, "> $outputfile"); |
---|
| 22 | |
---|
| 23 | while (<$fhIn>) |
---|
| 24 | { |
---|
| 25 | $curCount++; |
---|
| 26 | if ($curCount<=$num_lines) |
---|
| 27 | { |
---|
| 28 | next; |
---|
| 29 | } |
---|
| 30 | print $fhOut $_; |
---|
| 31 | } |
---|
| 32 | close ($fhIn) or die "Cannot close source file"; |
---|
| 33 | close ($fhOut) or die "Cannot close output file"; |
---|