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Message-ID:	<F76C9B2DA2FC4C4CA0A18E288BBCBCF7082179D4@nihexchange24.nih.gov>
From:	"Buchbinder, Barry (NIH/NIAID)" <BBuchbinder AT niaid DOT nih DOT gov>
To:	cygwin AT cygwin DOT com
Subject:	RE: Problem with spaces embedded in filenames
Date:	Thu, 3 Jun 2004 17:46:04 -0400
MIME-Version:	1.0
X-IsSubscribed:	yes

I've always had problems getting the correct number of backslashes.  Try
quotes.  For example, change sed to

	sed -e 's/^.*$/"&"/'

to give

	"path/file"

If that doesn't work, try doubling them 

	sed -e 's/^.*$/"&"/' -e "s/^.*$/'&'/"

to give

	'"path/file"'

You might need to change which quotes are on the inside/outside.

If that isn't enough protection, feed the quoted file names into a file and
then use

	... `cat file`

Alternatively, you could check the tar documentation to see if it can take
the file list from a file or standard input.  Or it might even be able to do
the date selection for you instead of using find -- that should avoid
quoting problems.

-----Original Message-----
From: Will Senn
Sent: Thursday, June 03, 2004 5:04 PM
To: cygwin AT cygwin DOT com
Subject: Problem with spaces embedded in filenames

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
 
Hi,

I am doing backups with tar on XP. I thought that I could touch a file
when I did a full backup and then use find with newer to only back up
files that are newer than the touched file:

~    touch /cygdrive/i/backups/full_backup
~    find /cygdrive/d/sandbox -newer /cygdrive/i/backups/full_backup !
~    -type d -print | sed -e "s/\ /\\\\ /g"`

this command produces the following list of files:

~    /cygdrive/d/sandbox/another\ test.txt
~    /cygdrive/d/sandbox/test.txt

'another test.txt' is a file with an embedded space (I figured I
needed to escape the space, hence the sed)

The problem is this, when I use the output of this command as the
input of another it complains. ie.

~    $ ls -l `find /cygdrive/d/sandbox -newer
~    /cygdrive/i/backups/_sandbox.full ! -type d -print | sed -e "s/\
~    /\\\\ /g"`

~    ls: /cygdrive/d/sandbox/another: No such file or directory
~    -rwx------+   1 wsenn    None            0 Jun  3 14:45
~    /cygdrive/d/sandbox/test.txt
~    -rw-r--r--    1 wsenn    None           69 Jun  3 15:26 test.txt

Any help would be appreciated. Here's the tar command I planned on using:

~    tar czf /cygdrive/i/${TODAY}_I_sandbox.tgz `find
~    /cygdrive/d/sandbox -newer /cygdrive/i/backups/full_backup ! -type
~    d -print | sed -e s/\ /\\\\\ /g`

Later,

Will
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Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org
 
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