BASH
http://www.gnu.org/software/bash/manual/bashref.html


-----Original Message-----
From: Stephen E. Bacher [mailto:seb AT DRAPER DOT COM]
Sent: 22 March 2004 22:28
To: ADSM-L AT VM.MARIST DOT EDU
Subject: Re: Need a quick help on a script.


"Doyle, Patrick" <pat.doyle AT EAGLESTAR DOT IE> wrote:

>Have you tried this with your shell?
>
>substring=${bigstring:0,2}
>
>
>${parameter:offset}
>${parameter:offset:length}
>Expands to up to length characters of parameter starting at the character
>specified by offset. If length is omitted, expands to the substring of
>parameter starting at the character specified by offset. length and offset
>are arithmetic expressions (see section 6.5 Shell Arithmetic). This is
>referred to as Substring Expansion.

What shell are you using?  This does not work in Bourne, C, Korn or Bourne
Again shell as far as I can tell.

 - seb


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