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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1answer
60 views

Is there a way of copying only directories and not files in bash? [closed]

I want to copy only directories from a folder on a remote server to my server. Is that possible? Here is the code I have so far but it copies files and folders: scp -rq ...
0
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2answers
103 views

Linux - Delete last two files automatically

In Linux, one folder is created every morning and 5 files are created in that folder. At the end of the day (Midnight), the last two files in that folder have to be deleted. How can I accomplish ...
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5answers
134 views

Look if a folder has some files of certain extention

Lets say I have a file structure: $ cd /home/Desktop $ ls -d */ Abc/ Qwe/ Zxc/ Rty/ $ Now I want to iterate through every directory and look if they have any .pdf files. Could some one please ...
0
votes
1answer
114 views

How do you keep the password hidden when invoked during the su command?

This is the first time it has happened to me where I am using the su command and it actually displays the password on the terminal and doesn't stay hidden. Here is my code snippet: sshpass -p ...
0
votes
1answer
104 views

script to compare two string “foo” and “bar”

I'm going to create a script that should print "foo" or "bar" when a user's input is "foo" then print "bar" or when the user's input is "bar" then print "foo", otherwise show "invalid string". Here's ...
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0answers
28 views

convert many eps files in a single pdf or ps file using shell scriptI

I have SSt12.OLR.1.eps, SSt12.OLR.2.eps SSt12.OLR.3.eps SSt12.OLR.4.eps ......and covert these eps files into single pdf or post script file. please suggest a shell script.
1
vote
1answer
189 views

Shell script and crontab to capture file size, name and date in a CSV file and then send via email?

I have a number of zip files in a certain folder. I want to capture file name and the size of the files in a CSV format in day wise and put it in crontab so I can report on a daily basis, and then ...
0
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2answers
108 views

Simple Script to setenv tcsh or export bash

I am having problems with simple scripting, my Box is CentOS so bash is the default shell, now I wanted to send a line via setenv (tcsh) and would like to make a script that will ask me to input a ...
1
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2answers
180 views

Changing user to root when connected to a linux server and copying files

My script is coded in a way that doesn't allow you to connect to a server directly by root. This code basically copies files a server to my computer and it works but I don't have access to many files ...
2
votes
3answers
122 views

Need help to combine 3 split lines of bash script into one single line

The following is what I found after googling: dpkg --list 'linux-image-*' \ | perl -ane 'BEGIN { $r = `uname -r` or die; chomp $r } print $F[1], "\n" if $F[0] eq "ii" && $F[1] !~ ...
0
votes
1answer
170 views

How to execute grep in tcl for getting XYZ-123 type pattern

How can I execute this grep command in TCL? grep '[A-Z][A-Z][A-Z]\-[0-9][0-9][0-9]' file1 > file2
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votes
3answers
505 views

How to capture error message from executed command?

I was tasked to create an automated server hardening script and one thing that they need is a report of all the output of each command executed. I want to store the error message inside a string and ...
1
vote
3answers
202 views

Merging multiple tab-delimited tables based on common columns

I am new to the field and I want to compare and merge 500 hundred tab-delimited files, each with two columns ("Position" and "Poly"). Examples of file1, and file2 (and other files) and the final ...
4
votes
3answers
907 views

Case-insensitive substring search in a shell script [closed]

I'm trying to create a script which runs a command and compares the output of that command to a certain string to see if it contains that substring, ignoring the case of the string needed to be ...
2
votes
3answers
129 views

grep on a Java Method

Lets say I have a java class called DirectAction some of the methods in the class have the word "action" or "Action" What is the grep command to get the names of all the methods who have "Action" or ...
3
votes
3answers
679 views

Shell script to replace string in multiple files within selected directories

I created the script below which takes the path of a single directory and replaces search string in all the files within that directory. I would like to enhance this script in such a way that it can ...
1
vote
1answer
61 views

Can't spawn backgrounded process

My team's using Pallet (think Puppet in Clojure) to automate server provisioning, but running into a fairly fundamental problem: Pallet can execute arbitrary scripts directly on target VMs, but if one ...
0
votes
2answers
87 views

shell or python script to transpose rows to columns [duplicate]

I have a big file with numbers like: 1 2 3 4 5 6 7 8 9 9 9 9 I want to tranpose it into 1 5 9 2 6 9 3 7 9 4 8 9 I have search on google for solutions, but those solutions simply don't ...
0
votes
1answer
74 views

Linux script for printing name [closed]

I have to Prompt the user to enter his/her name and Print all combinations of three letters from the name. How to write script for this?
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0answers
31 views

Is it possible to auto translate words via scripting language?

Some words in String.log as following: English Home Wait Come Back And I want to translate words of String.log into French,like this: Anglais maison attendez venir arrière As we all ...
0
votes
1answer
86 views

Python file issue from root path

I have a script that is well-tested and known to be working. I am running into an issue with it where when I try to run it from /root/backup/script.py or ~/backup/script.py I get a file not found ...
2
votes
2answers
74 views

How do I run a command on each input given a list of input

I have a bunch of folders, and I want to cd into each folder and run a command. I feel like it should be something like this: (The following is a contrived and simplified example of what I want to ...
2
votes
0answers
85 views

How to print the first three lines and last two lines of a file using perl?

Through the command line I draw one or several of the patterns found text.xml file: perl -ln0e 'while(/<PMResult.*?<\/PMResult>/gs) { $x=$&;print $x if $x=~/BCCEL-[1-3]/}' text.xml I ...
0
votes
2answers
1k views

Run a script at startup

I am using Ubuntu 14.04. I wrote a small script named trial. The contents of the script are as follows: #!/bin/sh SHELL=/bin/sh PATH=/bin:/sbin:/usr/bin:/usr/sbin sh -c firefox I copied the ...
4
votes
1answer
53 views

How to detect a desktop application hanging

I want to write a script that will detect whether a particular desktop application is responding and kill it. Is this possible? I know I've seen the GNOME desktop put up a "Application is not ...
1
vote
1answer
45 views

Delete a matching line in a file doesn't work

So, I have this piece of a code: while read line do if [ $line = $maddr ] ; then sed -i '/${maddr}/d' mailinglist found=true ...
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vote
4answers
336 views

renaming multiple files increment order

I have the following files SSt12.precip.374.sub.climatology.ctl SSt12.precip.2874.sub.climatology.ctl SSt12.precip.3764.sub.climatology.ctl SSt12.precip.6774.sub.climatology.ctl I want to rename ...
4
votes
1answer
42 views

Memory consumption of a script

Is there way to check the memory (physical & virtual) consumption of a script, of course in the moment of its execution. Calculating the used memory minus the used memory before and after the ...
0
votes
2answers
363 views

Awk printf number in width and round it up

I need to printf a number out, but with given width and rounded (with awk!) %10s I have this and somehow I need to connect the %d but everything I do, ends up with too much parametres for awk ...
7
votes
2answers
558 views

Check bash/shell script dependencies

Is there a method/command to check for the dependencies of a bash script? In other words, a response to this question : Which libraries should a user install to run the script? I can do this ...
1
vote
3answers
1k views

Bash script for automatic tar backup of chosen files and directories

Within a given directory in linux environment, I need to pick all files modified after a certain date (let's say 7 days) as well as all directories (only in root directory, hence non recursively) ...
3
votes
3answers
81 views

find 2 files with similar names and move them to a new location

I have a system with a watch folder where people/companies can upload new files via FTP or SMB. In this watch folder They should ALWAYS upload 2 files: 1 media file with a prefix name of ABC*.mxf and ...
2
votes
2answers
96 views

AIX shell script compiler

I know it sounds strange, but is there a good tool that compiles a shell (.sh) script into a executable format? I want to protect the script in such a way it will not be modified by someone. Thanks
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votes
3answers
73 views

Can anyone please explain me below AWK script

format of flat file : ;metier_code ; ;-------------------------; (0 rows affected) ;CRDS_Ptf_No; ; ; ; ; ...
2
votes
2answers
94 views

procmail save into a dir and execute a script?

I'm using procmail with Maildir/ and easy rules like the one below to save incoming emails into directories: :0: * ^X-Spam-Status: Yes Spam/ Now I would like a desktop notification on new emails in ...
0
votes
1answer
64 views

Is it possible triggering a script with a change of amount of files in a directory? [duplicate]

Is it possible to create some kind of directory watcher and trigger a script when the folder is not empty? I have a CentOS machine with jenkins CI on it. i would like to create a job that will move ...
2
votes
2answers
136 views

Execute script after period of inactivity

I'm looking for a way to execute certain script after period of inactivity and after completion of that period. By 'inactivity' I mean lack of mouse and keyboard events. E.g. I want: execute first ...
2
votes
1answer
427 views

Change IP remotely over ssh

I am using CentOS. I have a management server which has password-less ssh access to four other servers. I don't have physical access to these servers. In other words, I have to make all ...
1
vote
2answers
88 views

How can I comment out snmpmibd and snmpd in rc.tcpip in AIX using sed?

I need to comment out an entry in rc.tcpip file inside /etc # Start up the snmpmibd daemon start /usr/sbin/snmpmibd "$src_running" # Start up the Simple Network Management Protocol (SNMP) ...
0
votes
2answers
47 views

Use xdotool in a telnet session

I have to simulate key presses in a telnet session, and everything has to be invoked by a shell script. #!/bin/sh telnet 192.168.1.14 50000 xdotool type "404" However, once the telnet session ...
1
vote
2answers
121 views

How can I format a flat file using awk?

Below is the format of some table data contained within a single file: ;NULL;ABCD;ABHJARS;;ABCD;ABCD;Y;;;;;;;;;A; ;NULL;XEU-ANKD;XEU-AJKD;;ABCD;ABCD;Y;;;;;;;;;A; . . ;11744;AMKDIONSKH;AMKDJ AN DJ ...
1
vote
1answer
557 views

Using EXIFTool to add EXIF data from filenames

There is a set of photos with timestamps in their filenames like these: Photo on 3-09-12 at 9.24 PM #2.jpg Photo on 3-09-12 at 9.24 PM #1.jpg Photo on 3-09-12 at 8.23 PM.jpg etc. ("3-09-12", ...
1
vote
1answer
375 views

Create a iptables rule if the rule does not all ready exist

Hi I've created a script to setup Nagios on my remote servers. My Script checks iptables to see if a firewall rule all ready exists and then is supposed to add the rule if it's not all ready there. ...
2
votes
3answers
234 views

Remove spaces and headers from a dumped database table

I have dumped the database table data into a flat file and below is how the data looks like : (Kindly copy from below ;metier_code ; ;-------------------------; (0 rows affected) ...
1
vote
1answer
179 views

What does “if [ -e $name ]” mean? Where $name is a path to a directory

In the if [ -e $name ], what condition check is -e? $name is a variable of a path to a directory.
1
vote
1answer
33 views

Limiting readers on a pipe

I want to use a pipe to pass some security credential information from "process1" to another script. I only want authorized reader processes to be permitted to read the pipe. I am thinking I will ...
3
votes
3answers
107 views

How can I automatically log in to a list of servers to prevent account lockout?

I have started a new contract, and need to have an active account on almost 200 servers. Security has accounts lock after 30 days of inactivity, as well as if you do not log in within 1 hour of ...
2
votes
1answer
29 views

Script. How to sort and move catalogs

I have some trouble writing a script. I don't know how to sort and move catalogs. #!/bin/bash while read -r line; do mkdir "sd/$line" done < 1a.txt After reading information from 1a.txt ...
4
votes
3answers
109 views

Generating diagrams (in PNG or JPG) from console?

From these data I can create a diagram in OpenOffice: $ cat time.log 2014-04-29 08:15:34 1.00 2014-04-29 08:15:36 1.00 2014-04-29 08:15:42 1.50 2014-04-29 08:15:47 2.00 2014-04-29 08:15:55 2.00 ...
1
vote
1answer
167 views

bash scripts - remove duplicate rows with smaller value

Here is an example file: 1 5 20 40 60 2 1 20 20 20 2 2 30 30 30 4 5 40 40 40 7 2 50 30 30 7 1 20 20 20 I would like to remove duplicate rows (with the same value in the first column) with a bigger ...