Re: read & leading (and trailing) spaces

[Atom Smasher <atom@xxxxxxxxxxx>]

On Tue, 12 May 2009, Atom Smasher wrote:

> this doesn't work as advertised when the input includes leading and/or
> trailing spaces:
> 	read -r foo ; print -r -- "${foo}"
>
> i can work around that by setting IFS to either null (IFS='') or setting
> it to just a newline (IFS='
> '). should i expect problems (in older or newer versions of zsh) using
> either of those tricks to make read recognize leading/trailing spaces?
===============

it looks like i can also set IFS='\n'. that makes three work-arounds. of 
the three, is one best? should any be avoided?

thanks...


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