I think you want to split each pair of data points out to a line on its own instead of having multiple datapoints on one line.

cat yourfile.txt | perl -ple 's/(\S+\s+\S+)\s+/$1\n/g'

should do this for you as long as you have even numbers of datapoints on each line

echo "00000001  99888  00000011  99889  00000002  99890  00000003  998
+08" \
| perl -ple 's/(\S+\s+\S+)\s+/$1\n/g'
00000001  99888
00000011  99889
00000002  99890
00000003  99808

[download]

Cheers,
R.

Pereant, qui ante nos nostra dixerunt!

In reply to Re: repeat data at one line and grep as pre-set format by Random_Walk
in thread repeat data at one line and grep as pre-set format by benlaw

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.