Date: Fri, 23 Dec 2005 16:53:59 +0200 From: Nikos Vassiliadis <nvass@teledome.gr> To: freebsd-questions@freebsd.org Subject: Re: what's an equivalent for the following Perl one-liner? Message-ID: <200512231653.59120.nvass@teledome.gr> In-Reply-To: <200512211704.49530.mi%2Bmx@aldan.algebra.com> References: <200512211704.49530.mi%2Bmx@aldan.algebra.com>
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On Thursday 22 December 2005 00:04, Mikhail Teterin wrote:
> I'd like a sed string, that will remove both the carriage returns and the
> blanks at eol in one go. Perl appears to recognize the \r character and
> DTRT:
>
> perl -p -e 's,[ \r]+$,,' < in > out
>
> What's the sed's equivalent? Thanks!
I thought only bash could do it, but I was wrong:
a=$'s/[ \r]\{1,\}$//'
sed "$a"
the shell will expand $'\r' to errr \r
and you can use as an one-liner
var=value sed "$var"
HTH, Nikos
>
> -mi
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