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To:	cygwin AT cygwin DOT com
From:	Brian Inglis <Brian DOT Inglis AT SystematicSw DOT ab DOT ca>
Subject:	Re: sed anomaly in bash script
Date:	Sat, 15 Nov 2014 04:40:59 +0000 (UTC)
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cyg Simple <cygsimple <at> gmail.com> writes:
> $ TEST=`echo 'c:\windows' | sed -e s.\\.\\\\.g`
> $ echo $TEST
> c:\\windows
> <file name=sed.sh>
> TEST=`echo 'c:\windows' | sed -e s.\\\.\\\\\.g'
> echo $TEST
> </file>
> $ bash -x sed.sh
> ++ echo 'c:\windows'
> ++ sed -e 's.\.\g'
> sed -e expression #1, char 7: unterminated 's' command
> + TEST=
> + echo
> Does anyone have a suggestion on turning c:\windows into c:\\windows?

$ t='c:\windows' ; tt=${t/\\/\\\\} ; echo $t $tt
c:\windows c:\\windows

Never ever use odd numbers of backslashes, when dealing with backslashes! ;^> 
"\\" is the character backslash, doubled for each layer of interpretation it
has to pass thru before it gets to where it's going.



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