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

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59 views

Correct way to set PERMANENT environment variables from script

I want to do a very simple install process for my app framework. I've got everything working, but I want to set two environment variables. I want to update the PATH and also set a HOME variable. I ...
1
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2answers
39 views

Using getline with NR in awk

I have a bash script which calls a awk script to print each line from the file name_list.txt #!/bin/bash awk -f parse_list.awk name_list.txt In the awk script, I am using getline with NR to print ...
1
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2answers
65 views

How can I save password,when copy a file using SCP?

I am new in here. I am facing problem when I pull a file from another machine to my machine using SCP. File is successfully transferred but each time it asks for password. I want to run this SCP ...
3
votes
3answers
89 views

how to monitor a unix directory and if any new file in directory it will be copied to another directory

I want to monitor a unix(Solaris 10) directory and if there is any new file i want to copy immediately. Tried: I have shown inotifywait and incron package in linux for it but i don't know whether it ...
1
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1answer
95 views

How do I find files older than 1 days using mtime? [duplicate]

I'm trying to remove all files more than 1 days old.Before I execute a script to remove the files,I try to find the files using mtime. however, I face same problem with my command- My Current date is ...
3
votes
2answers
91 views

What does “if echo $line | grep -F = &>/dev/null” do?

I'm not sure what the following line does in a bash script: if echo $line | grep -F = &>/dev/null then ... I know &>/dev/null is short for >/dev/null 2>&1, I'm not sure, ...
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2answers
44 views

How to count how many files belong to each user/group combination?

How to count how many files belong to each user/group combination? I need to do this for each user/group combination that exists, in each of the directory trees /etc, /usr, and /var.
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0answers
25 views

linefeed in bash script - to email

I am doing printf to a logfile and having that logfile send through mailx, however, it seems that the linefeed "\n" are not recognised or captured in the mail. Snippet of script as below (notice the ...
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0answers
56 views

Shell scripts for proof reading

I am using below mentioned script present at link to check my writing. But, while running the scripts some syntax errors are shown up. I am not able to correct the same. Haroons-MacBook:democheck ...
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2answers
59 views

How can I filter out current directory ('.') in bash?

I'm currently trying to write a little script to convert all the flac files to mp3 files. However, I ran into a bit of a problem when trying to set up recursion down into all my music folders - the ...
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votes
2answers
57 views

How to use this script [closed]

#!\bin\bash for i in `seq 1 1000`; do wget -q -O quotes http://www.quotedb.com/quote/quote.php?action=random_quote; cat quotes>>final.txt; done I got this script from one website but I don't ...
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2answers
130 views

Script for ssh automatic login to a specific port

So currently, the "traditional" way to connect through SSH is the following one: ssh USERNAME@HOST -p PORT I would like to create a script in which I will include all the appropriate information ...
1
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0answers
129 views

Bold and Underline using echo with email

I am using a script that emails me a particular status report. The script sends me the contents of several files. I am using echo to provide a heading in the email that is used to differentiate ...
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0answers
15 views

LUA Script syntax

I wrote under suggestion a LUA script clearDS() addDS(".", "IN DNSKEY 257 3 8 ...
0
votes
2answers
130 views

How to execute a command on window focus/unfocus?

I'd like to execute xinput disable bcm5974 when Gnome Terminal (and maybe some other application) gets focused, and xinput enable bcm5974 when it loses focus. This is because libinput and my ...
1
vote
0answers
107 views

File exists but errors with “mv: cannot stat: No such file or directory”

For some reason my script cannot copy or move files that exist. It comes up with the errors below. Can someone tell me why? cp: cannot stat '/mnt/sd/bbu/install/scratch/bin/.': No such file or ...
1
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0answers
47 views

Setting environment variable using shell script

I am using csh scripts for some automation purpose. I have a number of scripts, and the beginning of all of which I need to set a fixed set of environment variables. |----SCRIPT 1---| |----SCRIPT ...
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0answers
20 views

script for user login/logoff timings everyday and delete the files which are older then 5 days

The below code is not running.  Can anyone please let me know the mistake? do-every-day.sh #create file & cpy the below contents lastlog -b 0 -t 1 > files.txt find files.txt -mtime ...
19
votes
6answers
1k views

How can I suppress output only if the command succeeds?

I would like to simplify the output of a script by suppressing the output of secondary commands that are usually successful. However, using -q on them hides the output when they occasionally fail, so ...
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0answers
41 views

Cronjob python script

I have a python script that parses some html and then writes it to output file. I want that cronjob would execute that python script. When I run this script from command line it works fine (python ...
0
votes
1answer
31 views

Sort words from n rows

i need to print all the unique words and their occurences from first n rows in a give file. I have to sorted by their number of occurences and then alphabetically.(the only separator is " ") ex: for ...
3
votes
1answer
81 views

Full screen terminal with script as screen saver under archLinux

Bonjour, Is it possible to run a terminal at full screen running a script instead of the screen saver ? That means that after 10 minutes of inactivity the screen should go black and show the STDOUT of ...
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2answers
61 views

Sort words in file

i've got some problems i'm not capable to overcome. I need to count the first let's say N words in a txt file. Then , i have to print them in decresing order, followed by the number of occurences.The ...
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2answers
36 views

How do I find a substring in a command line?

I have a few files that contains a similar entry like as follows: {"result":[]} {"result":[{"alternative":[{"transcript":"I ...
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votes
1answer
78 views

How to change shell from script

I want to change shell from ksh to bash and source the .kshrc file. I want to execute following lines of command sequentially: bash . ~/.kshrc clear Can anybody help me?
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votes
1answer
23 views

Getting error while using httpd -v command in script

I wrote a script to check the details of Web server's(RHEL) and save the output into a file. But the script is not passing the command httpd -v in the loop. Here is the script. #!/bin/bash for i in ...
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1answer
228 views

get `top` output for non interactive shell

I want to implement top function for the web app, is it possible to get the output of top command in non interactive shell.
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0answers
36 views

Pantheon-Terminal open multiple tabs script

I'm new to linux so bear with me. I'm looking for a script that will open pantheon-terminal with 3 tabs, each with a certain location / commands. I have a basic script that when I run from the ...
1
vote
1answer
274 views

LFTP Script to Download Files

I want to write a lftp script that will download files every 15 minutes from a server every x amount of time. Can someone advise how i can do this? Thanks
1
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2answers
90 views

How can I run this python script on all html files under a directory? [duplicate]

I have a python script $ cat ~/script.py import sys from lxml import etree from lxml.html import parse doc = parse(sys.argv[1]) title = doc.find('//title') title.text = span2.text.strip() print ...
0
votes
1answer
28 views

regarding recursive deleting of a specific file type

I wanted to delete a specific file type say *.bak file from any directory and its subdirectories. I used the following command to find the files. find <path> -name "*.bak" -type f However, ...
0
votes
1answer
34 views

Finding files that have been modified using a script?

I need to find files in a given directory that have been modified in the last N days, where N is the second argument of the script. Basically, I need to give the command with 2 numbers (arguments) and ...
1
vote
2answers
77 views

Script to Organize Desktop into Folders/Directories by Extension

I'd like to organize desktops by running a script that places all of your files into folders by extension. I found some code through googling and the code I found creates a folder with the name of the ...
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votes
1answer
35 views

find problems again? [closed]

How do i show pipe or socked files from a directory? echo "give name of directory: " read directory if [ -d "$directory" ] then echo "thanks again" else exit fi find $directory -maxdepth 1 -type ...
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0answers
26 views

Creating a mini text-editing program

I often copy-paste text from pdfs into other applications, and wish there was an easy offline way of editing the text's characteristics. For example, this website removes line breaks, while this ...
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votes
2answers
102 views

How do you remove newline character in the middle of file?

File structure: Col1|Col2|Col3|Col4 123|456|abcdefg Tel.: 689346589934, xyz lckhasfkl|abc I want to remove the newline character from 'col3' only.Please suggest
2
votes
1answer
85 views

Regular Expression to match (not x) and y (!x & y)

I received a desktop day-to-day calendar with puzzles. One such puzzle was deciphering a quote where the letters were substituted with symbols. I used some RegExs to find longer words, then used the ...
0
votes
2answers
71 views

How to delete a line with a given word using SED function

I have a file .txt with inside ID VALUE test value_1 testing value_2 first value_3 second value_4 I'm trying to write a shell script which will delete a line corresponding to a ...
4
votes
2answers
147 views

How do I sync files between two drives?

What command can check that a directory contains the same files as another directory, all the files are up to date and copy any updated files or new files to the first directory. It should not care ...
0
votes
2answers
72 views

how to write python code to change display color

I want to change display color. I have a simple script: #!/bin/bash sleep 50 xrandr --output VGA1 --gamma 1.28:1:1.28 # for purple How can I write it in python?
2
votes
1answer
66 views

Run executable with variable in Bash

I have the following simple script to run an executable: ./executable.x -input input.dat << i input1 input2 i This works perfectly and all is right with the world. However, I would like to ...
3
votes
1answer
68 views

Allow only wrapper script but not command

Say one has a resource hungry command that users on a server need to run. I want to wrap said command with a wrapper script that will parse the arguments passed and ensure that the command is only ...
1
vote
1answer
97 views

mpack description (-d) from a script variable

In my script I have a variable named $message. I want to send this message together with a jpeg using mpack. One way that works: echo "$message" > myText mpack -s "test mail" -d myText ...
-1
votes
1answer
65 views

awk getline to display first three lines in file

I'm using awk 'BEGIN {while((getline gf < "awk.script") > 0) {print gf}}' to read me first 3 three lines of the pattern. I can do with head -3 . But I don't want to since, I have to switch ...
1
vote
2answers
68 views

Storing application passwords in central location

Is there any secure local service that one should use for storing and retrieving organization wide application passwords? Most of the time we need authentication information in our scripts to run some ...
3
votes
1answer
75 views

Split line to words of maximum size of 8 characters

I'm creating script that will display 2 times the song name in FM radio station name. Radio station name is limited to 8 characters. Lets say I have this line: Best Direction - I feel good The code ...
-1
votes
1answer
27 views

Comparing values in one same string [closed]

In my script, Im getting data from website, like that: content=$(wget 10.0.1.5:8000/currentsong?sid=1 -q -O -); It's basicaly song information on shoutcast server. But there is the problem: I like ...
0
votes
1answer
60 views

tftp non-intearctive mode not working

tftp inline not working root@kali:~/scripts/recon_enum/exploit-db# tftp -v 192.xxx.xx.xxx 69 -c get text.txt text.txt usage: tftp host-name [port] tftp> but its working in interactive mode: ...
0
votes
2answers
35 views

Writing a bash script on a new box, Escaping Code [duplicate]

There may be a question out there for this somewhere. But I wasn't able to find it easily. Basically I want to write a bash script on a new box. A script that I've previously used. Example: ...
4
votes
2answers
80 views

Redirecting bash loop output to variable specific files

this should probably be obvious to me, but I've been stuck for some time. I'm trying to write a very simple bash loop to take a list of servers, retrieve some specific info from them, and save the ...