03-06-2015
Quote:
Originally Posted by
cyberfrog
what if the
40.0.2214.94 can change, so I would want a list of the different version numbers?
Given the suggestions that you have received, what do you think you would need to do to count and list different version numbers? (Or, as in your original request, do you just want to count occurrences of "chrome" and print a different version number when you replace the contents of your input file with the number of occurrences of "chrome" (with or without a version number) that were in the file before you overwrite it?)
10 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
I am trying to use grep to find strings of certain lengths that all start with the same letter. Is this possible?:confused: (4 Replies)
Discussion started by: crabtruck
4 Replies
2. Shell Programming and Scripting
Hai,
Just want to print only alphanumeric in a file
ex:-
fdsdsklf#@^%$#hf
output:- fdsdsklfhf
plz, help me:o (5 Replies)
Discussion started by: balan_mca
5 Replies
3. Shell Programming and Scripting
Hi,
Can any one pelase tell me how to grep multiple strings from multiple files in a singel folder?
grep -E "string1|string2|string3|string4|string..."
its taking lots of time..
can any please tell me fast grep???
URGENT (10 Replies)
Discussion started by: durgaprasad
10 Replies
4. Shell Programming and Scripting
Hello All,
I have a big file about 1000 lines. Now i am trying to grep a particular string and printing the lines from the string.
say for example in 500th line i have the date as "Mon Wed 14 20:15:24 2010". now i in my case i need to grep the combination of the strings "Mon Wed 14" and the... (7 Replies)
Discussion started by: intiraju
7 Replies
5. Shell Programming and Scripting
I have a script that periodically checks the Apache error_log to search for a specific error that causes it to hand and, if found, it restarts the service.
I recently found another error that forces it to hand and won't serve pages until it is reset. What I'm trying to do is to get the script to... (3 Replies)
Discussion started by: cfjohnsn
3 Replies
6. Shell Programming and Scripting
I have this code
TrackingId:1362412470675;MSISDN:; INFO - number of clietns:3:Received response is: EMSResponse , protocolVersion=5, purchaseOptions=null, serviceData=ServiceData , screenData=CanvasData ]], title=null, titleResource=MessageResource], screenType=null]], serviceId=idBamboo,... (7 Replies)
Discussion started by: nikhil jain
7 Replies
7. Red Hat
<cisco:subname>
<cisco:sptp>Cisco PortA Series</cisco:sptp>
<cisco:aliasNameList xsi:nil="true"/>
<cisco: owner xsi:nil="true"/>
<cisco:subportname>
<cisco:cpt>Cisco SubPort B Series</cisco:cpt>
... (3 Replies)
Discussion started by: itsspy
3 Replies
8. Shell Programming and Scripting
Hi I have the server.log file as:
Server Stopped
ABC
DEF
GHI
JKL
Server Started
MNO
PQR
STU
Server Stopped
VWX
YZ
ABC
Server Started
Server Stopped
123
456
789 (9 Replies)
Discussion started by: ankur328
9 Replies
9. Shell Programming and Scripting
Hi,
I am trying to get the PID of a process that is defunct. I have two quesitons on this.
1) how do I pass in two strings? This is what I am using now:
ps -ef |egrep -i "programname|<defunct>"
But this returns multiple results with the word defunct in them.
2) How do I make it so that... (1 Reply)
Discussion started by: ChickenPox
1 Replies
10. Shell Programming and Scripting
Hi All,
Good morning
I have a below code which is working & getting expected output. the problem in this code is it is executing 3 if conditions, my requirement is
suppose if first condition is success then it should print echo statement & exit from if condition
else if the 1st if condition... (4 Replies)
Discussion started by: sam@sam
4 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)