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Shell Programming and Scripting

Remove blank lines

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# 8  
Old 10-04-2010
Thank you both. Smilie
# 9  
Old 10-04-2010
Code:
$ ruby -00 -ne 'print $_.squeeze("\n")' file
<?php
/*
 * @text
 * @text
 * @text

 * @text
 * @text
 * @text

 */
?>

# 10  
Old 10-05-2010
Sorry, I should have tested the final version!

Code:
$ echo '<?php

/*

 * @text

 * @text

 * @text



 * @text

 * @text

 * @text


 */

?>'|sed '
  s/[   ][      ]*$//
 ' | sed '
  :two
  $b
  N
  :one
  $b
  N
  s/\(.\)\n\n\(.\)/\1\
\2/
  t twox
  P
  s/.*\n\(.*\n\)/\1/
  t one
  :twox
  P
  s/.*\n//
  t two
 ' | sed '
  :loop
  $b
  N
  /^\n$/!P
  s/.*\n//
  t loop
 '
<?php
/*
 * @text
 * @text
 * @text

 * @text
 * @text
 * @text

 */
?>

$
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