I am using the following Command to delete Directory with contents. But this command is deleting inside files only not directories. is there any change need in my command?
find -type f -mtime +3 -exec rm -r {} \;
Thanks (3 Replies)
Hi,
While I am trying SFTP my machine to another unix machine ,
it was working fine till 10 min back.
But now i am getting the below error
"Request for subsystem 'sftp' failed on channel 0"
Could you please someone help me to solve or analyise the root cause...
Cheers:b:,
Mahiban (0 Replies)
Hi everyone,
when executing this command in unix:
echo "WM7 Fatal Alerts:", $(cat query1.txt) > a.csvIt works fine, but running this command in a shell script gives an error saying that there's a syntax error.
here is content of my script:
tdbsrvr$ vi hc.sh
"hc.sh" 22 lines, 509... (4 Replies)
Hi,
I have situation where i need to automate transferring 10000+ files using sftp.
while read line
do
if ; then
echo "-mput /home/student/Desktop/folder/$line/* /cygdrive/e/folder/$line/">>sftpCommand.txt
fi
done< files.txt
sftp -b sftpCommand.txt stu@192.168.2.1
The above... (1 Reply)
I did this:
ls -lrRt | grep ^* | cksum *
but it is showing cksum of sub-directories.
Thanks You
Please use code tags when posting data and code samples, thank you. (3 Replies)
Hi,
I am not able to get output for find command if there are variables defined inside -name option .
Please check below example
1)
###VARIABLES DEFINED
process="fast"
temperature="125c"
voltage="0p935v"
2) I don't get output for below find command
find -L <PATH> -type f \( -name... (2 Replies)
Hello all,
I have a task to patch red hat servers and some servers have a corrupted rpm database and return the error:
Error: rpmdb open failed
I know how to fix this when it occurs. What I'm hoping to do is scan a list of servers by IP and report back which server have this error.
... (6 Replies)
I have if loop with multiple variable value check in if loop. How can i print only if loop satisfied variable and its value in shell script ? I dont want to check each variable in if loop. That makes my script larger.
if ]
then
echo "Only satisfied variable with value"
... (3 Replies)
Discussion started by: prince1987
3 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)