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  • But I am using 3.2.25(1)-release bash version..what the modification needs to be done.can you help me? Commented Dec 23, 2015 at 13:51
  • Do it work fine with 3.2.25(1)-release bash version.Can you suggest the changes I need to make..Thank you in advance:) Commented Dec 23, 2015 at 13:57
  • Because I am getting error-- syntax error near unexpected token `)'. Commented Dec 23, 2015 at 14:00
  • 1
    @sunilkumarjn, 3.2 is from 2006, I wouldn't call that recent. See the edit for a portable solution. Commented Dec 23, 2015 at 15:25