Date: Thu, 30 Mar 2006 17:45:11 +0200 From: Vaaf <vaaf@broadpark.no> To: Jerry McAllister <jerrymc@clunix.cl.msu.edu> Cc: questions@freebsd.org Subject: Re: ASCII files becoming double lined Message-ID: <7.0.1.0.2.20060330174336.020d6a18@broadpark.no> In-Reply-To: <200603301520.k2UFKVCO005940@clunix.cl.msu.edu> References: <7.0.1.0.2.20060330165636.020cc010@broadpark.no> <200603301520.k2UFKVCO005940@clunix.cl.msu.edu>
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At 17:20 30.03.2006, Jerry McAllister wrote:
> >
> >
> > Hello!
> >
> > Sometimes I notice ASCII files becoming double lined.
> > As in there somehow appearing an empty line in between every line.
> >
> > Why is this? And:
> >
> > 01 How can I detect files with double lines?
> > 02 And then eliminate this double lining?
>
>Check out tr(1)
>It will quite easily remove the extra CR in every line.
>Then, if you need, you can rename the clean file to the dirty file
> something like: # tr -d "\r" < dirtyfile > cleanfile
> # mv cleanfile dirtyfile
>
>Sorry, it takes two steps.
>Thre are other methods that do it without a second file, but
>for newbies, this is easier to understand.
>
>////jerry
>
> >
> > The goal would be to apply 01 and 02 to this script:
> >
> > #!/usr/local/bin/bash
> > #
> > # Remove CRLF, trailing whitespace and blank lines.
> > # $MARBEJA: clean.sh,v 1.0 2007/11/11 15:09:05 awad Exp $
> > #
> >
> > for file in `find -s . -type f`; do
> >
> > if file -b "$file" | grep -q 'text'; then
> >
> > echo >> "$file"
> >
> > tr -d '\r' < "$file" \
> > | sed -E -e 's/[[:space:]]+$//' \
> > | cat -s - > "${file}.tmp" && mv -f "${file}.tmp" "$file"
> >
> > echo "$file: Done"
> >
> > fi
> >
> > done
> >
> > Thanks,
> > Vaaf
> >
> > _______________________________________________
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> > http://lists.freebsd.org/mailman/listinfo/freebsd-questions
> > To unsubscribe, send any mail to
> "freebsd-questions-unsubscribe@freebsd.org"
> >
Thanks Jerry! But isn't this what my script already does?
As for Mr. Kennaway, if you had a big bugger up your nose the minute
you're about
to go on a date, wouldn't you like an honest opinion?
Vaaf
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