help-bash
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Help-bash] (no subject)


From: John McKown
Subject: Re: [Help-bash] (no subject)
Date: Fri, 22 Sep 2017 10:43:43 -0500

On Fri, Sep 22, 2017 at 10:35 AM, Chet Ramey <address@hidden> wrote:

> On 9/22/17 11:33 AM, John McKown wrote:
>
> > ​I will agree that your method is superior. However, mine does work. At
> > least on my Linux system (Fedora 25)
> >
> > $ IFS="" lista=$(cat list)
> > $ echo $lista
> > hello
> > world
>
> This leaves IFS set to the empty string, which might lead to unexpected
> results for subsequent commands.
>

​My bad. I overlooked that. I was thinking that since I didn't do an
"export IFS", that the variable only retained its value during the
execution of that one line. On my system, I see:

$ echo -n $IFS|od -tcx1
0000000
$ IFS="-" : do nothing
$ echo -n $IFS|od -tcx1
0000000
$
​



>
> --
> ``The lyf so short, the craft so long to lerne.'' - Chaucer
>                  ``Ars longa, vita brevis'' - Hippocrates
> Chet Ramey, UTech, CWRU    address@hidden    http://cnswww.cns.cwru.edu/~
> chet/
>



-- 
*L'Shanah Tovah Tikatevu*

Maranatha! <><
John McKown


reply via email to

[Prev in Thread] Current Thread [Next in Thread]