05-18-2011
Quote:
Originally Posted by
KenJackson
I haven't tried this, but I think you could add -nc (or --no-clobber) to prevent it from downloading a file if one already exists, and then truncate rather than delete.
You'll end up with a bunch of zero-length files, but at least they don't use up disk space.
To truncate, this should work: -exec /bin/cp -f /dev/null {} \;
(I use /bin/cp instead of cp because I have cp aliased to "cp -i", and the "-i" overrides the "-f".)
Thanks for the response!
As far as -nc goes, I am not having trouble with it re-downloading the files while they exist, but after they are deleted. Unless of course I am misunderstanding you.
You'll have to pardon my noobishness, but what does
-exec /bin/cp -f /dev/null {} \; do exactly? I'm trying learn as I go. I know -exec is for execute, but what is /bin/cp? or -f? or /dev/null? Thanks for your patience.
EDIT: So, I modified the code, and unfortunately wget is now comparing file sizes and re-downloads the data if the sizes do not match up with the directory. Any thoughts?
EDIT2: Got it all figured out. Now I know what -nc is for, and replaced -N with -nc. Thank you!
Last edited by keltonhalbert; 05-18-2011 at 01:32 AM..
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LEARN ABOUT OSF1
uudemon.cleanu
uudemon(4) Kernel Interfaces Manual uudemon(4)
NAME
uudemon.admin, uudemon.cleanu, uudemon.hour, uudemon.poll - Administrative shell scripts for polling remote systems, cleaning up spool
directories, reporting status to the system administrator, and routine invocations of the uuxqt and uusched daemons
SYNOPSIS
These shell scripts reside in the following directory:
/usr/lib/uucp
DESCRIPTION
All the scripts can be run from the command line or can be run automatically by the cron daemon. To automatically run the scripts, remove
the comment character (#) from the beginning of the relevant line in the /var/spool/cron/crontabs/uucp file.
This script reports status to the system administrator. It issues the uustat command to find out the status of uucp jobs. It mails the
results to the uucp login ID. The script may be modified to send mail to any login ID such as the uucp administrative login ID (uucpa) or
root. This script cleans up the /var/spool/uucp and /var/spool/uucppublic directories by running the uucleanup command. The uucleanup com-
mand is run with the following parameters: -C7, -D7, X2, -o2, -W1. This script runs the uusched and uuxqt daemons in the background. This
script polls the systems listed in the /usr/lib/uucp/Poll file. The uudemon.poll script should be scheduled before the uudemon.hour
script. This allows uudemon.poll to create any command files before cron runs the uudemon.hour script.
FILES
Contains the uudemon.admin, uudemon.cleanu, uudemon.hour and uudemon.poll files. Contains the uucp file.
RELATED INFORMATION
Commands: cron(8), uucleanup(8), uusched(8), uuxqt(1)
Files: /usr/lib/uucp delim off
uudemon(4)