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Re: Problem with spaces embedded in filenames
- From: Igor Pechtchanski <pechtcha at cs dot nyu dot edu>
- To: Will Senn <will_senn at comcast dot net>
- Cc: cygwin at cygwin dot com
- Date: Thu, 3 Jun 2004 17:37:18 -0400 (EDT)
- Subject: Re: Problem with spaces embedded in filenames
- References: <40BF9224.7090303@comcast.net>
- Reply-to: cygwin at cygwin dot com
On Thu, 3 Jun 2004, Will Senn wrote:
> 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.
That's what xargs was invented for. Try
find /cygdrive/d/sandbox -newer /cygdrive/i/backups/_sandbox.full ! -type d -print0 | xargs -0 ls -l
> Here's the tar command I planned on using:
>
> ~ tar czf /cygdrive/i/${TODAY}_I_sandbox.tgz `find
> ~ /cygdrive/d/sandbox -newer /cygdrive/i/backups/full_backup ! -type
> ~ d -print | sed -e s/\ /\\\\\ /g`
>
> Later,
> Will
Here you can use something like
find /cygdrive/d/sandbox -newer /cygdrive/i/backups/_sandbox.full ! -type d -print0 | xargs -0 tar czf /cygdrive/i/${TODAY}_I_sandbox.tgz
or even
find /cygdrive/d/sandbox -newer /cygdrive/i/backups/_sandbox.full ! -type d -print0 | tar -T- --null -czf /cygdrive/i/${TODAY}_I_sandbox.tgz
HTH,
Igor
--
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