Re: RFD: Essential packages, /, and /usr

[Stephen Stafford <stephen@clothcat.demon.co.uk>]

On Mon, Jun 17, 2002 at 12:16:20AM +0200, Tollef Fog Heen wrote:
> * Richard Braakman 
> 
> | On Sun, Jun 16, 2002 at 03:13:23PM -0500, Branden Robinson wrote:
> | > If you're up to it, however, I would like to challenge you to implement
> | > /usr/bin/tr(1) in /bin/sed(1).  I few of us on IRC tried several days
> | > ago to do it, and concluded that it couldn't be done.
> | 
> | Did all of you manage to miss sed's y command?
> | 
> | #!/bin/sh
> | sed "y/$1/$2/"
> 
> I'm not saying I'm a sed guru, but
> 
> : tfheen@arabella ~ > echo ABCD | tr A-Z a-z
> abcd
> : tfheen@arabella ~ > echo ABCD | sed 'y/A-Z/a-z/'
> aBCD
> 
> doesn't seem to do the same at all for me.

stephen:~$ echo ABC | sed 'y/ABCD/abcd/'
abc

Sure it does.  It just has different syntax :)

Stephen


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