A shell script is a script written for the shell, or command line interpreter, of an operating system.

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Double exit in gzexe

I have seen in gzexe they use the following pattern used in a lot of places all over the file: (exit $res); exit $res What purpose does the exit inside the sub-shell? Doesn't seem to do anything ...
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4 views

MySQL Workbench - Add Connection from command-line

I'm writing a shell script to auto-provision a development environment for new employees. The OS is Linux Mint 17 (Qiana) and the idea is to run the script and at the end have a fully configured ...
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23 views

shell script finish but doesn't exit

I have 2 shell script a.sh and b.sh which is running under ksh. a.sh does the following action #!/bin/ksh some action check condition and send email if fail or success call b.sh b.sh does the ...
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1answer
670 views

How can uptime be used to trigger an action?

I want to write shell or perl code which would give me notification after x days. Basically on SUSE Linux server, there is reboot required after 208 days, else the system would freeze. This is known ...
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1answer
673 views

In a Shell scripts, check version of installed package, make a decision based on output

Looking to write a cross distro / cross version shell script that makes sure a forced version of PHP is installed Example: Ubuntu 12.04 has 5.3, Ubuntu 13.10 has 5.5, Debian 7 has 5.4 I need this ...
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1answer
1k views

How can I check through command-line the computer form(Desktop, notebook or All-in-one)?

For a very specific reason I need to check the computer form factor(Desktop, Notebook or All-in-one) remotelly, using a command through the command-prompt, powershell or vbs(Windows 7/8 systems). ...
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2answers
24 views

Controlling output in a Linux shell script

When I run a shell script in bash, I push everything to a file as follows: ./script.sh >results.txt Some of the commands in my script output to the terminal, rather than the text file. For example, ...
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2answers
33 views

Bash - using grep on user-defined strings

Sometimes I would find it very useful to be able to use grep on a string (without the string being in a file). For example: var="Some random string" $var | grep -e "Some" I guess I could use echo ...
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How to convert a string to decimal values? [closed]

I would like to convert word (i.e., a string) to decimal ASCII values, separated by dots, in bash. Example word: test123 Expected result: 116.101.115.116.49.50.51 This is what I have tried so ...
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1answer
25 views

Bash - enable execution only if script is run from a specific directory

I need to write a shell script that can only be executed if it is run from the home directory of the currently signed-in user, and I have no idea how to check that from the script itself. Any help ...
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3answers
46 views

Script Shell Extract substring

Please, i'd like to extract string just before '.fr'. Here is some lines of my file: g-82.text.text1.fr.worker1 g-xx.yyyyyy.zzzz.fr.worker2 i'd like to extract this text: g-82.text.text1 ...
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1answer
51 views

Most favorite scripting language used by IT pros [closed]

What is the most favorite scripting languages used by IT pros and why? I see that Javascript is mostly used by developers while legacy VBScript and Powershell for Windows admins and bash/shell for ...
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1answer
23 views

Batch file merge two text files

I have two text files and I need to merge them like this: text file 1 [][][] [][][] text file 2 ****** ****** ****** output ****** [][][] ****** [][][] ****** I have already looked ...
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0answers
12 views

Script to open multiple gnome-terminal tabs, each running their own command?

I am currently developing a plugin for Minecraft. My setup consists of five terminal tabs, which I have to recreate every time I log in. I need to cd to the particular directory, then run the ...
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1answer
54 views

How do I record in VLC media player on a schedule?

I have an IP stream coming through VLC media player in Window 7, and I would like to automate the process of opening the stream and start recording at a specified time, and stop VLC and the recording ...
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1answer
42 views

nested if statement, multiple conditions for if statement

I have a situation to write a script where $MacBook and $SERVER are variables. There is a file that is being read to find the server name. And using another file, I can pull the hardware model (if ...
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1answer
14 views

why do i keep getting the same $SHELL even i am on a different shell already

[oracle@SJOAM ~]$ echo $SHELL /bin/bash [oracle@SJOAM ~]$ sh sh-4.1$ echo $SHELL /bin/bash sh-4.1$ csh [oracle@SJOAM ~]$ echo $SHELL /bin/bash Why am i always in bash !? but the prompt are already ...
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1answer
16 views

Empty line appears while merging different file contents in shell script

I have written shell script to merge different file's contents I have created directories f1,f2,d1,d2 and files under them , I need to merge all files's contents : comand is find /home/ah5024331/f1 ...
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2answers
3k views

Calculate % difference and file sizes between two files

We have two zip files and would like to compare them. We're also interested in calculating the percentage difference between them and the file size. Is there a tool that can do this quickly?
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2answers
30 views

add new line after every end of file's contents while merging multiple files

I have written shell script to merge different file's contents I have created directories f1,f2,d1,d2 and files under them , I need to merge all files's contents : comand is (find /home/ah5024331/f1 ...
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1answer
18 views

why i can't run binary from /home path

I have a binary "test", I try to run it as follows: root@g-6:~# ./home/test -bash: ./home/test: No such file or directory Have you an idea, please, about the error ? Thank you so much.
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2answers
365 views

Batch file rename script swapping substrings in filename?

I have a group of files named like title_december_word1_word2.png and want to iterate through the directory and swap word1 and word2 within each file. i.e. go from button_december_state_pressed.png ...
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7answers
10k views

Log rotation of stdout?

I have a Linux program which can write information to stdout and stderr. I have a shell script which redirects that output to a file in /var/log. (Via >> and 2>&1.) Is there a way to ...
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1answer
3k views

Bash Shell Scripting - How to iterate through directories, and copy and rename files?

I have a directory setup as follows: /hosted/partner1/logo.png /hosted/partner2/logo.png /hosted/partner3/logo.png /hosted/partner4/logo.png /hosted/partner5/logo.png ..etc. I want to write a ...
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Want to send automatic mails from email server, That To addres has to read from email that i received.?

I want to send multiple mail automatically. I will receive mail as FROM: abc@domain1.com TO: 123@domain2.com BODY: mail contains (username@domain3.com) What I want to is take the ...
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1answer
25 views

Hit enter automatically when running apt-get install <package> prompts a dialog boxes

I'm running command apt-get install -y <package>. It overcomes confirmation like Do you want to continue? [Y/n] But in the process of updating, I got a popup which asks to hit enter in ...
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1answer
42 views

Need to create a bash script for ip filter

I have two files with multiple IP address and i want to fine those ip which in not in second file. file one has 1.2.3.4 4.5.6.7 and file two has 117.239.57.130 117.239.58.226 103.248.120.245 ...
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2answers
44 views

How can I find all files that contain a string and then replace these files with another?

I want to replace all files (foo.php as example) that contain certain string 'bar' with a backup foo.php file, which is located in ./backup/foo.php. How can I do that? I know if I grep -lrI foo . all ...
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1answer
2k views

Windows 8.1 does not remember credentials of network location

I have a bunch of computers running Windows 8,1 connected by LAN to one central server that runs Server 2012 R2. I have all my scripts stored on the server, so to be able to run them from the other ...
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3answers
221 views

Edit xml file using shell script / command

I need to do this using unix script or command There is a xml file in /home/user/app/xmlfiles like <book> <fiction type='a'> <author type=''></author> ...
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2answers
68 views

Batch Script: Concatenating multiple files in multiple folders into one file

I have about 20 folders and all of them have around 100 csv files each. I want to combine all of them together into one file. How should I do this? I know about copy command to combine files of one ...
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1answer
45 views

Unable to execute root commands inside an openvpn script

I'm using the openvpn option client-connect to run a script when a client connects. The script works fine when I use simple commands but when I add commands that need root privileges it doesn't work ...
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1answer
59 views

Append text to first occurrence of a pattern using sed

Say there is a text file as below: Hello world types="" Mario types="Game" What I want to do is find the first occurrence of type="" and append with word "program". I need output as: Hello world ...
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1answer
34 views

Remove last column values in field seperated file using unix shell script

The files is seperated by | pipe symbol myfile.txt Hello|how|are|you|hope|you|are|doing|fine Lilly|jasmine|rose|sunflower|nightfire|flowers I want to remove columns greater than 3. I want result ...
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4answers
2k views

Listing all words in a text file and finding the most frequent word

I have a file which contains lines. How do I write a script that will find and print out every word in the file, one word per line. Then find and print out the most occurring word (case sensitive) ...
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55 views

udev rule script “xinput --list” differs in terminal versus log

I'm trying to automate a Huion tablet calibration without much success. I have this output from xinput --list in a normal terminal: ⎡ Virtual core pointer id=2 [master ...
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How do I close a window from an application but not quit the application

I'm trying to have a shell script run and then close itself but not quit Terminal all together. Here's what I have: #!/bin/sh while [ "$JOB_NUMBER" = '' ]; do echo -n "++++++++++++++++++++Job ...
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2answers
42 views

How to merge multiple files into single file in given directories

I want to write a shell script to merge contents of multiple files in a given directories. DIR1 contains sample1.txt sample2.txt sample1.txt contents :---this is sample1 file--- sample2.txt ...
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0answers
25 views

Check for a failed copy with scp

Is it possible in my code to verify if the file is well copied or not ? ssh -t root@$machine -x "sshpass -p 'ubuntu' scp -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null /home/MyFile.txt ...
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Where to put a configuration file with password/acess token on OSX?

Where to put a configuration file with password/acess token on OSX without versioning on a dotfiles public? Example dotfiles: https://github.com/alexandref93/dotfiles ...
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1answer
30 views

Script shell get id and kill process

Please, i can't find the error in my command. ssh -t root@$machine -x "sshpass -p 'ubuntu' ssh -t root@$address -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/nul -x 'ps -ef | grep ...
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1answer
21 views

Zulu time format

I've a script which generates Zulu time zone. How do I change the format in shell /bash script like this ? 20140730000255 -> 2014-07-30 Thank you in advance Regards
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2answers
276 views

Unix Script: Wait until a file exists

I need a script that will wait for a (examplefile.txt) to appear in the /tmp directory and once it's found to stop the program, otherwise to sleep the file until it's located So far I have: if [ ! ...
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2answers
68 views

Is there a folder-specific .bashrc or .bash_profile?

Is it possible to have a bash script (like a .bashrc or .bash_profile, basically) that is executed only upon cd’ing into a specific folder?
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2answers
2k views

Multiple parameters to bash script

I need to check for user provided options in my bash script, but the options won't always be provided while calling the script. For example the possible options can be -dontbuild -donttest -dontupdate ...
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1answer
58 views

Automated screensaver configuration in command line/shell script

So I'm configuring some Default User Template LaunchAgents to configure a default screensaver for some of my company's most popular fan art. (It's actually been really well received by the team). ...
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1answer
41 views

Is there any way to see make file with all variables substituted

I have huge long makefile written by some other guy, where all coomands contain variables. In order to decode what this command is doing i have look around what that variable is and its taking too ...
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5answers
7k views

Run script in OS X 10.6 on network connection. (like /etc/network/if-up.d/)

Is there any way to run a script when a network interface comes up in Mac OS X? I've tried putting a script named ip-up in /etc/ppp but it doesn't seem to fire when I disconnect and reconnect to a ...
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1answer
41 views

How to create a script that launches a random video file from the folder

So, this is a weird problem. But basically, my nephew likes watching cartoons on my computer sometimes. And that worked well. OVer time, his cartoon folder grew up. Here's the problem: he wants to ...
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1answer
327 views

PBS/Torque: very simple pbsdsh script with PBS_VNODENUM

I'm trying to submit the following very simple script to my cluster: #!/bin/sh #PBS -l nodes=3:ppn=8,walltime=00:01:00 #PBS -M eamorr@mydomain.com #PBS -j oe #PBS -m bae #PBS -N geophysics pbsdsh ...