A script is a sequence of commands or instructions that are executed by an interpreter program rather than compiled into a standalone executable program.

learn more… | top users | synonyms (2)

2
votes
1answer
310 views

Get the full window dimensions (including decorations) in Unity

I have used the answer to How do I find the window dimensions and position accurately including decorations? in my bash scripts, and had good success with my Silentcast application on Xfce, but now ...
0
votes
0answers
27 views

Can't set PATH with a script [duplicate]

I have written a script which was supposed to add some value to environmental variable PATH, but script doesn't do that if I start it with ./script.sh. #! /bin/bash INSTALLDIR="/opt/ARM" PATH=${...
7
votes
1answer
1k views

How do I print all but the Nth to last line in sed?

I'd like to do the complement / "opposite" of sed 13q;d <file.txt More generally, is it possible to do this sort of complement/inverse/opposite in sed? Or only for regexes? How do I print all ...
1
vote
0answers
175 views

Maintain screen session when executing shell script on boot

Solved: I solved this problem by introducing a delay before executing the script: @reboot sleep 60; /root/start_server.sh On Ubuntu 14.04, I have a crontab entry set to run on reboot: @reboot /...
1
vote
3answers
192 views

Find a string in one section of a file with mutiple sections

How to sed/awk for a string contained in another string. TESTVAR=' { icon : "icons/773_l.png", id : 80, initialState : true, isPng : false, label : "Imagery", opacity : 1, requestType : "UUID"...
1
vote
1answer
80 views

Is it possible to create a Linux environment without a traditional command shell?

i.e. Using something like IPython, re.pl, or somesuch as a login shell, instead of bash/ksh/etc. Using initscripts, etc. written in Python or some other scripting language, and making no use of ...
1
vote
2answers
632 views

7z from bash script won't exclude directories

I've encountered with kinda strange behaviour of 7z (or bash, I don't know yet.). With the following script: #!/bin/bash find /home/user -type f -name "*.pdf" | cut -c 10- > /home/user/...
1
vote
1answer
688 views

how do you include variables in Bind9 configuration files?

I am trying to create a auto install script since I have to do this installation task on multiple servers. I have setup all the bind9 configuration files with my variables and thought it would have ...
1
vote
2answers
596 views

Concatenate file contents AND names

I've been writing for many months. The files I create are dated files named like 2011-06-13.markdown with daily content. I've decided I want to have all the writing in one file instead but I'd like ...
1
vote
2answers
217 views

Why are UNIX shells like this and how can I work around it?

One of the things I've noticed about BASH and other UNIX shells is that, by default and when used in typical ways, they spawn subshells for almost everything. e.g. foo=$(grep "someword" /path/to/...
1
vote
0answers
45 views

Is there a version of script that plays nicely with vim?

man script says: Certain interactive commands, such as vi(1), create garbage in the type‐ script file. Script works best with commands that do not manipulate the screen, the results ...
1
vote
1answer
398 views

Telnet no echo output from xinetd script

I have have installed xinetd, and I wrote a script: #!/bin/bash echo "Some text" touch /home/somefile I made a service configuration under /etc/xinetd.d/ and basically it works when I connect to ...
0
votes
2answers
173 views

Bash script: test command -o option

I have a piece of code like this: count=0 until [ -f $filename -o $count -ge 60 ] do count=$((count+1)) sleep 1 done I know [ -f $filename -o $count -ge 60 ] is a test command, "-f $filename" ...
4
votes
2answers
80 views

More shell scripts than one in one text file?

I am learning shell scripting for my introductory UNIX course at my university, and I`m curious if is it possible to have more than one shell script in one text file. What I mean by that is, for ...
3
votes
3answers
176 views

Having an issue searching for a string in a file

I have tried to use a 'case' loop but it doesn't work for a reason unknown to me. This is my script for the case loop. echo "Do you wish to search again? [y/n]" read INPUT_STRING2 case $...
0
votes
1answer
434 views

Uuencode displaying attachment content in email body

I am using uuencode with mailx to attach a zip file. In following code, the if block works perfectly and I get Deletions.zip as an attachment in the email. But, whenever the else block is executed I ...
6
votes
2answers
2k views

Compare two files and print matches

Is there anyway to get this through Unix shell scripting? I have a fileA with one column (1000 rows), and fileB with 26 columns(13000 rows). I need to search each value of fileA with fileB and return ...
5
votes
1answer
2k views

Opening a terminal other than xterm, running a command on it, and not closing the terminal after it succesfully finished

I have the following script in my arch linux box: #!/bin/bash xterm -e "sudo pacman -Syu;bash" This will fire up an xterm, and run the command sudo pacman -Syu on it. Because of the ;bash part, it ...
0
votes
2answers
17k views

Got “syntax error near unexpected end of file” in bash script

I'm making an script that gives me a day like this jjj/yyyy when I give it a day like this dd/mm/yyyy and I need it to have an error when you don't write correctly but I'm starting and it's not ...
6
votes
2answers
746 views

how to mount a range of drives in bash?

I use something like this to unmount a range of drives: umount /dev/sd[c-k]2 Is there any way to use same thing with mount? something like this: mount /dev/sd[c-k]2 /[c2-k2]
2
votes
3answers
819 views

How do you fire a sequence of commands at the command tool?

I had a previous question (deleted it) and I still don't understand why it is so hard to understand what I'm trying to ask, but I'll try once again and more clearly. So I'm copying over several ...
4
votes
2answers
610 views

Compare 2 tab delimited files and output differences with column header

I would like to compare 2 similar files on a common column. The files will have identical headers. file1.txt mem_id Date Time Building aa bb cc dd ee ff ...
2
votes
1answer
44 views

Work out the command line of a GUI operation?

I am trying to script one repetitive operation within an open-source software, FSLView to be specific. The operations are extremely straightforward in the GUI, I mean just several clicks. However, I ...
2
votes
1answer
172 views

create numbered files with defined content with bash

I want to create 69 files with a filename from 4006 through to 7075 and it each file needs to have some enumerated content, the following code prints on the shell what I would like to have inserted ...
2
votes
2answers
413 views

Sed find and replace with slashes

I am having trouble using sed find/replace with slashes in the find parameter. Sample contents of test.sh str=$(sed -n '/^user:/p' /tmp/shadowtest) # find "user:" line in /etc/shadowtest arr=(${str//...
1
vote
1answer
249 views

Pattern replacement

Please can anyone explain to me in brief the syntax of this command. Explanation in terms of how actually this command is written significance of each and every character used. I know the output of ...
5
votes
1answer
476 views

How to save the result of printf to a variable in GDB?

(gdb)printf "Hello %d", 7 Hello 7 (gdb)set $MyVar = printf "Hello %d", 7 // ??? How to save the result of printf "Hello %d", 7 to $MyVar?
3
votes
3answers
343 views

How to mask passwords in 'watch' command?

I am using watch to monitor the progress of a MySQL replication slave. The way I have it set up now, the password shows up in the header of the watch output. I am not exceedingly worried that someone ...
3
votes
1answer
64 views

Read target of symlink and increment target by one

I have a folder structure that looks like this /some/folder/1 /some/folder/2 ... and a symlink current that links to one of the folders. Is it possible and when how to read the target of the link, ...
2
votes
1answer
43 views

Script command without output

Is there something similar to script that records ONLY the commands and not any output from them to a file?
1
vote
1answer
228 views

Startup script with LSB headers not working correctly (dependency problem)?

I am creating a startup script for my Ubuntu 14.04.1 LTS server. The script need to be run after the Rabbit MQ server. The Rabbit MQ startup script says it provides "rabbitmq-server". So I put this ...
-2
votes
2answers
49 views

how to take the file names from folder

i want to write a program for the below logic: Take the names of files in a folder For each file: print file name move the file to another new folder (with the name in dd_mm_yy format)
4
votes
3answers
36k views

How to get a response from any URL?

I have been asked to write a shell script To check if a URL is UP/Working or not for my Project. I tried to find some hints over the internet, but whatever I got is about checking whether the URL ...
3
votes
5answers
2k views

Run a script on multiple shells?

I have two servers one AIX with default shell ksh, the other RHEL with default shell bash. I have a script that is mounted on both that will run similar commands but for either AIX or Linux. This ...
3
votes
1answer
1k views

Compare file size of multiple files in an array [closed]

Scenario: Ftp site has 100s of files. Once a day, all the .gz files are copied to an AWS site then renamed. Only the date is kept in the file name. Some of the files corrupted during copy. A txt ...
1
vote
4answers
480 views

Delete all but largest file in multiple directories

I have multiple subdirectories in /home/usr/ProjZ/programs/ that each contain multiple (or one) .js files. What I need to do is delete all but the largest .js file, if the subdirectory contains ...
3
votes
1answer
4k views

Preserve formatting when command output is sent to a variable? [duplicate]

I have a bash script. If I run this command to: grep for certain patterns, transform the output, sort the output dedupe the output then I get one grep find per line in terminal LC_ALL=C grep -...
3
votes
2answers
1k views

split a file, pass each piece as a param to a script, run each script in parallel

I have a words.txt with 10000 words (one to a line). I have 5,000 documents. I want to see which documents contain which of those words (with a regex pattern around the word). I have a script.sh that ...
0
votes
0answers
86 views

bash script loses readonly value after first time thru loop

I have a bash script which seems to lose the value of the readonly constant after the first time thru the for-in loop. For example: #!/bin/bash readonly DIR="./groups/" for output in "${array[@]}" do ...
1
vote
2answers
536 views

List all the html tags in a file

I want to know if there is a way to list all the html tags in a file. Lets say I have a file file.html <html> <head> <title>Test</title> </head> <body> This is a ...
2
votes
2answers
60 views

I seem to be “losing” this prompt. What is happening?

I ssh into an ubuntu 12.04 cloud server and start a web server like this (w/ bash): $ nohup python tserver.py & [2] 2122 $ nohup: ignoring input and appending output to `nohup.out' After I run ...
1
vote
2answers
2k views

How to iterate through multiple file extension without caring about case sensitivity?

I've seen various topics on how to iterate through multiple file extensions but in most case, the list is defined. example: for file in ${arg}/**/*.{txt,h,py} do .... done As can be seen, ....
6
votes
3answers
4k views

How to iterate through a list of files with spaces that is sorted (case insensitive)?

I am doing this in OSX which uses bash but obviously, not all bash conventions are used so hopefully your suggestion is available to me :) I have the following files fun bar1.txt Foo bar2.tXT (that'...
2
votes
1answer
523 views

Fetching Remote Windows System Information From Linux Server

I need a script/command that would fetch Windows System Information (Host Name,User Name, Domain, OS Info, Hardware Info, Memory Info, processor Info, etc) by running it on a Linux Server (RHEL 6.5 ...
6
votes
3answers
9k views

Passing arguments from a file to a bash script

I' ve got this situation: ./ ./myscript.sh ./arguments.txt ./test.sh Inside myscript.sh, i have to run the file test.sh, passing to it the arguments contained inside arguments.txt. myscript.sh is: ...
6
votes
3answers
30k views

awk with if statements

I am trying to print from a file using awk, but my output is empty. Here is my code so far accountNum=$1 while read -r LINE || [[ -n $LINE ]] ; do awk -F',' '{ if($1==accountNum) { print ...
2
votes
1answer
124 views

Renaming the files and move to other path

I need to rename the files given below and move to some other path 1234551abcde20140718023216001.txt.809047512.2014_07_07_13:47:44 000001abcde20140718023216001.txt.34568.001.2014_07_07_13:50:44 ...
6
votes
1answer
3k views

Converting .docx files to plain text and preserving line breaks to maintain line number references to source document: howto & implications?

I'm exporting MS Word content to plain text for use with text&file utilities. I have a constraint where the line numbering feature has been enabled in the MS software, and any reference to line ...
1
vote
2answers
15k views

Solution to integer expression expected [closed]

So I when I run this code on my mac there are no errors, and it provides me the perfect output. But when I run it on Ubuntu or CentOS i get the following error integer expression expected #!/bin/...
11
votes
1answer
3k views

Copy image from clipboard to file

Is it possible to take an image from the clipboard and output it to a file (using X)? I can do this with text easily: $ xclip -selection c -o > file.text But when I try the above with an image ...