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  • Well thanks for the answer, the output after your command is in the edit of my original post. Commented Aug 22, 2014 at 11:43
  • @Vesnog, your script has to be a zsh script, not a bash script. Commented Aug 22, 2014 at 11:46
  • I am writing this script for a particular purpose and I do not know the differences between the zsh and bash scripts. Commented Aug 22, 2014 at 11:48
  • @Vesnog, put #! /bin/zsh instead of #! /bin/bash at the top of your script. Commented Aug 22, 2014 at 11:56
  • Thanks I will try, apart from that I did not understand the discussion about the newline characters and carriage returns what kind of problems can it pose? Commented Aug 22, 2014 at 12:04