I have a ksh script that generates a long, random string using /dev/urandom and tr:
STRING="$(cat /dev/urandom|tr -dc 'a-zA-Z0-9-_'|fold -w 64 |head -1)"
On the Linux and AIX servers where I used this it resulted in 64 characters of upper and lower case alpha chars, digits, dash and underscore characters. Example:
W-uch3_4fbnk34u2nc0...
I have a shell script that launches a Maven exec:java process -
exec mvn exec:java -Dexec.mainClass=... -Dexec.args="$*"
Now sadly if I run
./myMagicShellScript arg1 "arg 2"
the single string arg 2 doesn't make it through as a single argument as I'd like.
Any thoughts as to how to escape / pass things through properly (perferably ...
Possible Duplicate:
Code wont run. [not]
I have written and compiled a program and i want to make it so that from shell i can just type programname to make it run instead of going to the directory the the program is in and typing ./ before the program name. If this is possible please let me know.
...
I have a sentence that I want to write a shell command to grep it from a text:
The sentence is:
self.timeout=2.0
However, as this is a part of code from a file.
so it this sentence could also be
self.timeout = 2.0
or
self.timeout =2.0
or
self.timeout = 8.0
that is: there may be blanks besides "=", and the value of self.timeou...
How can I enable logging of all the commands entered in the tcsh shell?
I've tried:
Setting the $history variable to 100.
The $savehist to 99.
Set the $histfile to $home/.history
Typing commands into the shell doesn't save the commands in the history file.
...
Hi there.
I'm looking for some way to share code snippets taken directly from command prompt.
For example:
plinjasa@pllzpc029 ~
$ ls
plinjasa@pllzpc029 ~
$ mkdir maindir
plinjasa@pllzpc029 ~
$ ls -l
total 0
drwxr-xr-x+ 1 plinjasa Domain Users 0 2010-08-26 15:22 maindir
plinjasa@pllzpc029 ~
$ cd maindir
plinjasa@pllzpc029 ~/maindir
...
I need t parse xml for an applescript project and i got a start but for some reason my code is not operating the way I expected it to it does find the item I'm looking for but does not return a value
here is the code
set xmlFile to ((choose file without invisibles) as string)
tell application "System Events"
set xdata to XML elem...
So, I need to build a kiosk type of application for use in an internet cafe. The app needs to load and display some options of things to do. One option is to launch IE to surf. Another option is to play a game.
I've been reading that what I probably want to do is replace the windows shell and have it run my app when the OS loads. ...
I have to extract a parameter from a configuration file, and replace its values with another given value.
The config file is:
<host ip="200.200.200.200" name="testhost" description="test server" type="TEST_Duplex " connection="xmlrpc" xmldefaulttimeout="2.0" xmlspecifictimeout ="8.0"/>
I have to replace the value of xmldefaulttimeout=...
For my developer work I reside in the *nix shell environment pretty much all day, but still can't seem to memorize the name and argument specifics of programs I don't use daily. I wonder how other 'casual amnesiacs' handle this. Do you maintain an big cheat sheet? Do you rehearse the emacs shortcuts when you take your weekly shower? Or i...
Hi
I have a file of events that has multiple multi lined events between <event> and </event> tags. I want to print out the entire event From <event> to </event> only if a line within that event contains either the string uniqueId="1279939300.862594_PFM_1_1912320699" or uniqueId="1281686522.353435_PFM_1_988171542". The file has 100000 eve...
I see
foo() {
if [[ $# -lt 1 ]]; then
return 0
fi
...
}
What exactly is it comparing by using $# as it does there?
...
I'd like to convert ASCII code (like - or _ or . etc) in hexadecimal representation in Unix shell (without bc command), eg : - => %2d
any ideas ?
...
Hi
I am figuring out the Ipython shell support. Its seems awk doesn't work i.e
following command
!ls -l | awk '{print $1}'
just prints "1".
How do I pass the "$" sign correctly to shell. I am using zsh.
Thanks
Sandeep
...
I am trying to delete all contents in specific folder but it doesn't seem to effect subfolder but it should, because bash command does it from console.
system('rm -Rf some_dir/*');
...
What I need to have happen: PHP needs to launch an server app which has root permissions running in the background. All of this should be silent.
-Sudo is needed to allow php to perform an op that requires root permissions.
-Screen is required to allow the app to run outside the scope of the webpage which started the process.
-Expect ...
Occasionally my media server goes down and I'm wondering if it's possible to start it remotely using php to check the port and if it's not running invoke cron (or some other way) to run a shell command. Is this possible because this is not a strong area for me. Here's the process I use with PuTTy.
login to shell
cd to source/red5/dis...
I have a tar.gz file about 13GB in size. It contains about 1.2 million documents. When I untar this all these files sit in one single directory & any reads from this directory takes ages. Is there any way I can split the files from the tar into multiple new folders?
e.g.: I would like to create new folders named [1,2,...] each having 10...
I wrote a small shell script based on an example I found here: https://bbs.archlinux.org/viewtopic.php?id=36305
it takes this:
bash-3.2$ ls
test 001 test 002 test 003 test 004
and turns it into:
bash-3.2$ ls
001 002 003 004 rename.sh
However it gives me this error (even though it works):
bash-3.2$ ./rename.sh
mv: missing d...
Hi
I used a shell script to run a Java class.
My script contains
#!/bin/sh
java -jar jobs/job.jar
These are my failed attempts to run it.
[root@]#sh testapp.sh
Unable to access jarfile jobs/job.jar
if I just do this at the command line it works fine
[root@]#java -jar jobs/job.jar
thanks.
...