If it is something like what graff had pointed out then here is a simple solution. I keep track of the count instead of file size as suggested by graff

#!/usr/bin/perl -w

# filename: catskiphead
# Merge files skipping the first line from the seocnd file onwards
my $line = 1;
while(<>) {
    next if ($line++ == 0);
    $line = 0 if eof;
    print ($_);
}

[download]
Input

file1:
header
1
2
3
file2:
header
4
5
6
file3:
header
7
8
9
<p><c>Usage: catskiphead file1 file2 file3

[download]

Output

header
1
2
3
4
5
6
7
8
9

[download]

cheers

SK

PS: Note that you can change the print to take file handles and also do any checking on the input records before you write out.

In reply to Re: CSV and regular expressions by sk
in thread CSV and regular expressions by Nesh

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.