RE: [FWP] How to do variable interpolation in a tr substitution string

["Rosler, Larry" <lr@exch.hpl.hp.com>]

> From: Steven Lembark [mailto:lembark@wrkhors.com]
> Sent: Sunday, February 13, 2000 09:38
> To: fwp@technofile.org
> Subject: Re: [FWP] How to do variable interpolation in a tr 
> substitution string

...

> unless you have fun finding an answer...
> 
> instead of "tr" use "s":
> 
> 	s/\w/newchar($1)/seg;
> 
> would allow you to write your own tr, no?  a bit slower than
> blind tr, but think of the possibilities:
> 
> 	s/\w+/sayit( $1 )/seg;

That code might be a lot more fun if you put capturing parentheses in the
regex, so $1 has a useful value.

-- 
Larry Rosler
Hewlett-Packard Laboratories
http://www.hpl.hp.com/personal/Larry_Rosler/
lr@hpl.hp.com 

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