If a file is not there, how its possible to create any random file. I am little confused with it.
"touch" will create an empty file (not a random one!). Try it out. Create and change to a temporary directory, and issue "touch file" there, then issue "ls". You will see a file named "file" with a content of 0 bytes. You can remove this directory along with the file by going one level higher and issue "rm -rf <directory>"
Quote:
So if the name of my directory is Practical and I want to change time stamp of it with all its subdirectories and files, I can use this command.
can we change the timestamp of a file to old date.
-rwxrwxrwx 1 root other 330 Jul 1 16:03 abc.txt
it shows creation time is 16.03 can i change it to previous time
:) (2 Replies)
i want to find the files which are modified in last 30 to 120 minutes
i am using "find . -mmin +30 -mmin -120 "
it is giving me the error
find: bad option -mmin
find: path-list predicate-list
can somebody help me out .
Thank you (5 Replies)
Hi,
As i know , we can change the time stamp of a file by touch command, i did change in a file and it is looking as given
# ls -l abcd
-rw-r--r-- 1 batsoqa sicusers 0 Feb 17 2010 abcd
actually i want to see the output like this
-rw-r--r-- 1 batsoqa sicusers ... (3 Replies)
hi everyone
i am facing a strange problem here
suppose content of my file is
a=1,2,3
b=2,3,4
c=4,5,6
time=
now the problem is i want to add value in front of time variable
and the value should be i format only "HHMMSS"
so it should be like this
a=1,2,3
b=2,3,4
c=4,5,6... (3 Replies)
Here is two time I have:
Jul 12 16:02:01
Jul 13 01:02:01
and how can I do a simple match to get difference between two time which is 09:00:00
Thanks in advance. (3 Replies)
Hi,
I want to convert normal time stamp to unix time stamp to a filename.
coz our ssytem will pick depends on unix timestamp format .
the filenames are as shown below fie names are stored in file say temp.txt.
MLFG2_cDomHTTPstats_SAB15-1_1318482447.dat... (2 Replies)
On Solaris 10 server the system date won't match with the timestamp on files created by a cron jobs, Please help
here is what i get when i check for system date
infodba-ie10ux014:/tcpdv1_ie10/tcadmin/bin\n\r-> date
Tue Apr 24 15:27:43 GMT 2012at same time i executed a cron job, and checked... (4 Replies)
Hi All,
I am listing the files which are 4 hours older. For this first I have creted a dummy file with the 4 hours before timestamp, then I am using the below find command,
find /path/ -type f ! -newer 4_hours_oledr_file -exec ls -lrt {} \;
I am getting the files which are older than... (13 Replies)
I am creating log monitoring script and stuck up to get the logs between two time stamp.
can you please help me to create the script to get the logs between two time stamp, for example, I need the complete logs between # Time: 150328 1:30:10 and # Time: 150328 19:10:57
OS : Cent OS 6.x... (8 Replies)
I have a file hello.txt which was created today (today's date timestamp)
I wish to change its date timestamp (access, modified, created) to 1 week old i.e one week from now.
uname -a
SunOS mymac 5.11 11.2 sun4v sparc sun4v
Can you please suggest a easy way to do that ? (12 Replies)
Discussion started by: mohtashims
12 Replies
LEARN ABOUT DEBIAN
shell-quote
SHELL-QUOTE(1p) User Contributed Perl Documentation SHELL-QUOTE(1p)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 v5.8.4 2005-05-03 SHELL-QUOTE(1p)