* [gentoo-user] crontab backup
@ 2014-09-17 1:30 Joseph
2014-09-17 2:22 ` [gentoo-user] " Jouni Kosonen
2014-09-17 8:43 ` [gentoo-user] " Neil Bothwick
0 siblings, 2 replies; 4+ messages in thread
From: Joseph @ 2014-09-17 1:30 UTC (permalink / raw
To: gentoo-user
I'm trying to backup crontab from various boxes to files, so I'm using (run once a month)
11 01 * * 5 crontab -l > /home/joseph/business/backup/crontabs/syscon7_joseph_crontab
but I can from bash: cannot overwrite existing file
--
Joseph
^ permalink raw reply [flat|nested] 4+ messages in thread
* [gentoo-user] Re: crontab backup
2014-09-17 1:30 [gentoo-user] crontab backup Joseph
@ 2014-09-17 2:22 ` Jouni Kosonen
2014-09-17 2:57 ` Joseph
2014-09-17 8:43 ` [gentoo-user] " Neil Bothwick
1 sibling, 1 reply; 4+ messages in thread
From: Jouni Kosonen @ 2014-09-17 2:22 UTC (permalink / raw
To: gentoo-user
Joseph wrote:
> I'm trying to backup crontab from various boxes to files, so I'm using
> (run once a month) 11 01 * * 5 crontab -l >
> /home/joseph/business/backup/crontabs/syscon7_joseph_crontab
>
> but I can from bash: cannot overwrite existing file
>
From "man bash":
Redirecting Output
...
If the redirection operator is >, and the noclobber option to the
set builtin has been enabled, the redirection will fail if the file
whose name results from the expansion of word exists and is a regu‐
lar file. If the redirection operator is >|, or the redirection
operator is > and the noclobber option to the set builtin command
is not enabled, the redirection is attempted even if the file named
by word exists.
---
Jouni
^ permalink raw reply [flat|nested] 4+ messages in thread* Re: [gentoo-user] Re: crontab backup
2014-09-17 2:22 ` [gentoo-user] " Jouni Kosonen
@ 2014-09-17 2:57 ` Joseph
0 siblings, 0 replies; 4+ messages in thread
From: Joseph @ 2014-09-17 2:57 UTC (permalink / raw
To: gentoo-user
On 09/17/14 05:22, Jouni Kosonen wrote:
>Joseph wrote:
>
>> I'm trying to backup crontab from various boxes to files, so I'm using
>> (run once a month) 11 01 * * 5 crontab -l >
>> /home/joseph/business/backup/crontabs/syscon7_joseph_crontab
>>
>> but I can from bash: cannot overwrite existing file
>>
>
>From "man bash":
>
> Redirecting Output
>...
> If the redirection operator is >, and the noclobber option to the
> set builtin has been enabled, the redirection will fail if the file
> whose name results from the expansion of word exists and is a regu‐
> lar file. If the redirection operator is >|, or the redirection
> operator is > and the noclobber option to the set builtin command
> is not enabled, the redirection is attempted even if the file named
> by word exists.
Yes, that worked. Thanks
--
Joseph
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [gentoo-user] crontab backup
2014-09-17 1:30 [gentoo-user] crontab backup Joseph
2014-09-17 2:22 ` [gentoo-user] " Jouni Kosonen
@ 2014-09-17 8:43 ` Neil Bothwick
1 sibling, 0 replies; 4+ messages in thread
From: Neil Bothwick @ 2014-09-17 8:43 UTC (permalink / raw
To: gentoo-user
[-- Attachment #1: Type: text/plain, Size: 579 bytes --]
On Tue, 16 Sep 2014 19:30:36 -0600, Joseph wrote:
> I'm trying to backup crontab from various boxes to files, so I'm using
> (run once a month) 11 01 * * 5 crontab -l
> > /home/joseph/business/backup/crontabs/syscon7_joseph_crontab
>
> but I can from bash: cannot overwrite existing file
Do you have noclobber in your shell options? If so, replace > with >| to
overwrite files. Or use tee, which will happily overwrite files with no
consideration of their type, content or importance :(
--
Neil Bothwick
Growing old is mandatory; growing up is optional!!
[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 181 bytes --]
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2014-09-17 8:43 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2014-09-17 1:30 [gentoo-user] crontab backup Joseph
2014-09-17 2:22 ` [gentoo-user] " Jouni Kosonen
2014-09-17 2:57 ` Joseph
2014-09-17 8:43 ` [gentoo-user] " Neil Bothwick
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox