Re: bash: how to check if first character of string is "/"?

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To: For users of Fedora <fedora-list@xxxxxxxxxx>
Subject: Re: bash: how to check if first character of string is "/"?
From: Bill Meier <wmeier@xxxxxxxxxxx>
Date: Mon, 08 Oct 2007 08:22:35 -0400
In-reply-to: <Pine.LNX.4.64.0710080215520.21658@xxxxxxxxxxxxxxxxxxxxx>
References: <Pine.LNX.4.64.0710080215520.21658@xxxxxxxxxxxxxxxxxxxxx>
Reply-to: For users of Fedora <fedora-list@xxxxxxxxxx>
User-agent: Thunderbird 2.0.0.6 (X11/20070926)

Robert P. J. Day wrote:

  it's late so i'm sure i'm just being dense in not knowing this, but
is there a simpler way to check if the first character of a string is
a "/" rather than the cumbersome:

  if [ "x${VAR##/*}" = "x" ] ; then ...



How about using Bash substring expansion:

     if [ "x${VAR:0:1}" = "x" ] ; then ...

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