The command mentioned above will list the latest 2 files having my_stops in it's name. I want to keep these 2 files. But I want to delete all other files starting with "my_stops" from the current directory.
Hello all,
I am building a shell script. Every morning my shell script will trigger an external system backup script and the backup file (File Name format: "20030929backup.bkp" (i.e)current date + "backup.bkp") will be stored in the backup directory. After successful back, I need to keep only... (9 Replies)
hi guys,
im using tru64 unix and i want to put my files on tapes. i have already a hp DAT storage, do you have any admin guides for backup/restore procedures for these?
tnx (1 Reply)
I am having difficulty in doing ontape -s -L 0. At first it was giving a message Archive failed - function to write to tape failed code -l errno 5.
After about 24 hours it says "could not write archive tape. What do I do?
Can anyone please advise on what the problem is and what I can do?
... (0 Replies)
Greetings.
I've got a little bit of problem with writing a script.
I'd like to write a script that creates backup files (of your computer) once a week, and on the other days of the week it just updates it.
Thanks in advance i hope you can help:
buddhist
p.s.: this would help a lot, because... (1 Reply)
Hello, I'm Antony, new solaris user.
I need to back-up an old solaris disk.
Currently I have installed the Open Solaris operating system on my computer and a USB device I tried to read data on a hard drive with an older version of Solaris, when i try to open the device the operating system tells... (11 Replies)
Hi guys ,
I m writing a script which will backup a particular folder and its content to a different location.
this script needs to be run every weekend.
But my problem is how would i apply logic such that the previous backup folder is only deleted if and only if the current backup is... (1 Reply)
Hi Everyone,
we are running rsync with --backup mode, Are there any rsync options to remove backup folders on successful deployment?
Thanks in adv. (0 Replies)
Hi,
Using the shell script, how can I backup the files.
/etc/password, /etc/group , /etc/shadow and more and needs a backup like /etc/password.12Mar12.... (4 Replies)
HI,
I want to remove my backup files keeping last 30 days.
Now i am doing it manually.
Does anyone have a script to automate this process?
Thanks in advance (5 Replies)
Hello,
Server A: /directory1/
Server B: /Backups/
i wanted to backup contents of /directory1 from "server A" on to "Server B" every 1 hour.
If there is any change in (only new/differences) contents on serverA (directory1/) supposed to be backeup on next run.
I did used rsync command to... (5 Replies)
Discussion started by: System Admin 77
5 Replies
LEARN ABOUT CENTOS
shell-quote
SHELL-QUOTE(1) User Contributed Perl Documentation SHELL-QUOTE(1)NAME
shell-quote - quote arguments for safe use, unmodified in a shell command
SYNOPSIS
shell-quote [switch]... arg...
DESCRIPTION
shell-quote lets you pass arbitrary strings through the shell so that they won't be changed by the shell. This lets you process commands
or files with embedded white space or shell globbing characters safely. Here are a few examples.
EXAMPLES
ssh preserving args
When running a remote command with ssh, ssh doesn't preserve the separate arguments it receives. It just joins them with spaces and
passes them to "$SHELL -c". This doesn't work as intended:
ssh host touch 'hi there' # fails
It creates 2 files, hi and there. Instead, do this:
cmd=`shell-quote touch 'hi there'`
ssh host "$cmd"
This gives you just 1 file, hi there.
process find output
It's not ordinarily possible to process an arbitrary list of files output by find with a shell script. Anything you put in $IFS to
split up the output could legitimately be in a file's name. Here's how you can do it using shell-quote:
eval set -- `find -type f -print0 | xargs -0 shell-quote --`
debug shell scripts
shell-quote is better than echo for debugging shell scripts.
debug() {
[ -z "$debug" ] || shell-quote "debug:" "$@"
}
With echo you can't tell the difference between "debug 'foo bar'" and "debug foo bar", but with shell-quote you can.
save a command for later
shell-quote can be used to build up a shell command to run later. Say you want the user to be able to give you switches for a command
you're going to run. If you don't want the switches to be re-evaluated by the shell (which is usually a good idea, else there are
things the user can't pass through), you can do something like this:
user_switches=
while [ $# != 0 ]
do
case x$1 in
x--pass-through)
[ $# -gt 1 ] || die "need an argument for $1"
user_switches="$user_switches "`shell-quote -- "$2"`
shift;;
# process other switches
esac
shift
done
# later
eval "shell-quote some-command $user_switches my args"
OPTIONS --debug
Turn debugging on.
--help
Show the usage message and die.
--version
Show the version number and exit.
AVAILABILITY
The code is licensed under the GNU GPL. Check http://www.argon.org/~roderick/ or CPAN for updated versions.
AUTHOR
Roderick Schertler <roderick@argon.org>
perl v5.16.3 2010-06-11 SHELL-QUOTE(1)