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Re: newlines and $(...) processing


From: Andreas Schwab
Subject: Re: newlines and $(...) processing
Date: Sun, 13 May 2007 20:14:30 +0200
User-agent: Gnus/5.110006 (No Gnus v0.6) Emacs/22.0.97 (gnu/linux)

address@hidden (Bob Proulx) writes:

> I was asked a question recently and I have not been able to deduce the
> answer and so am appealing to the group for further education.  I
> could not find a match for my question in the FAQ.
>
>   $ printf "\n" | od -tx1
>   0000000 0a
>   $ printf "\n" | wc -c
>   1
>
> But when this is used with a command substitution the newline
> disappears.

Command substitution always strips trailing newlines.

Andreas.

-- 
Andreas Schwab, SuSE Labs, address@hidden
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
PGP key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."




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