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Date: Tue, 23 Apr 2002 20:13:36 -0700
To: cygwin@cygwin.com
From: Randall R Schulz <rrschulz@cris.com>
Subject: Re: substr
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Gilgamesh,

Two mistakes on my part:

1) Your name--I'm sorry about that

2) Assuming that "expr" is a shell built-in. It's not.

Randall Schulz
Mountain View, CA USA


At 14:23 2002-04-23, you wrote:
>Randall R Schulz wrote:
>>Dear Elegant,
>
>thank you kindly for calling me that, but my real name is Gilgamesh, 
>Elegant is part of my employers name.
>
>>Please be specific about what program implements the "expr substr" 
>>command. The phrase "the command line" is not singly defined on any Unix 
>>(or Unix-like) system extant today.
>'usr/bin/expr.exe' is provided by sh-utils ( 
>http://cygwin.com/cgi-bin2/package-cat.cgi?file=sh-utils/sh-utils-2.0-2&grep=expr 
>)
>
>I'm not exactly sure if it is a builtin of tcsh/bash/ksh/ash, but I do 
>know it should be available outside a shell on a system that uses SUSv2 ( 
>http://www.opengroup.org/onlinepubs/007908799/xcu/expr.html ) as a 
>guideline(which Cygwin as a distribution tries to do AFAIK).
>
>When I wrote my earlier post I didn't have a web connection but I did 
>double check on a HP-UX ksh terminal that it should work as I thought it 
>would. It even works using from a cmd.exe shell from W2K.
>
>Regards,
>
>Gilgamesh Nootebos


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