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Re^3: Search and replace in all odd lines

by johngg (Canon)
on Jun 25, 2007 at 13:36 UTC ( [id://623170]=note: print w/replies, xml ) Need Help??

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  1. or download this
    perl -i.bak -nle 's/search/replace/g unless $. & 2; print' file
  2. or download this
    line 1
line 2
...
line 7
line 8
line 9
  3. or download this
    $ perl -nle 'print unless $. & 2;' lines.txt
line 1
...
line 5
line 8
line 9

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