[ale] ubuntu users

J. D. jdonline at gmail.com
Tue Mar 16 17:55:50 EDT 2010


I have been wondering on this one a bit... Dash is reported in the package
description as a POSIX-compliant implementation of /bin/sh. So something in
this picture must not be POSIX-compliant. Is it the shell or the code?



On Tue, Mar 16, 2010 at 5:05 PM, Jim Kinney <jim.kinney at gmail.com> wrote:

> Description: DASH is a POSIX-compliant implementation of /bin/sh that aims
> to be as small as
>            : possible. It does this without sacrificing speed where
> possible. In fact, it is
>            : significantly faster than bash (the GNU Bourne-Again SHell)
> for most tasks.
>
>
> Might be worth looking into for speed needs.
>
> I still can't fathom arrays in bash even though it's supposed to be there
> now...
>
>
> On Tue, Mar 16, 2010 at 4:52 PM, Geoffrey <lists at serioustechnology.com>wrote:
>
>> Geoffrey wrote:
>> > Lightner, Jeff wrote:
>> >> Are you running the same shell on both?
>> >
>> > Assuming we are running the same, /bin/sh
>> >
>> >> Some distros use tcsh instead of bash by default.   They also link sh
>> to
>> >> it so if you had a shebang of #!/bin/sh it might not be using the shell
>> >> you think it is.
>> >
>> > Interesting, I'll have to check that out, thanks.
>>
>> That was it, /bin/sh is linked to dash, not bash.  Thanks Jeff.
>>
>> >
>> >> -----Original Message-----
>> >> From: ale-bounces at ale.org [mailto:ale-bounces at ale.org] On Behalf Of
>> >> Geoffrey
>> >> Sent: Tuesday, March 16, 2010 2:40 PM
>> >> To: ale
>> >> Subject: [ale] ubuntu users
>> >>
>> >> We have a script that is running just fine on RHEL 5.4.  When we run it
>> >> on ubunutu (with 'set -x') we get the following error:
>> >>
>> >> + [ 1 -ne 1 ]
>> >> + dir=all
>> >> + echo Option all is valid...
>> >> Option all is valid...
>> >> + cd /esc
>> >> + [ all == all ]
>> >> [: 1: all: unexpected operator
>> >> + [ -d all ]
>> >> + echo Apparently all is not checked out. Sorry
>> >> Apparently all is not checked out. Sorry
>> >>
>> >> Here is the code in question.  What is wrong with this?
>> >>
>> >> if [ "$dir" == "all" ]
>> >> then
>> >>      for dir in $DOCS $PERL $WEB $ITPROJECTS $SERVERLOG $DBCONFIG
>> >> $LOGPRO \
>> >>          $SCRIPTS $THIRDPARTY $ONTHEFLY
>> >>      do
>> >>          if [ -d $dir ]
>> >>          then
>> >>              echo "Updating $dir..."
>> >>              svn update $dir
>> >>          else
>> >>              echo "Apparently $dir is not checked out. Sorry"
>> >>          fi
>> >>      done
>> >> else
>> >> .
>> >> .
>> >>
>> >
>> >
>>
>>
>> --
>> Until later, Geoffrey
>>
>> "I predict future happiness for America if they can prevent
>> the government from wasting the labors of the people under
>> the pretense of taking care of them."
>> - Thomas Jefferson
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>
>
>
> --
> --
> James P. Kinney III
> Actively in pursuit of Life, Liberty and Happiness
>
>
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