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

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sed command removes parent closing tag in xml file

Iam using sed command to replace a string with another in an xml file using below given the command. sed "s/one/two/g" /data/common/codeset-mapper.xml > /data/codeset-mapper.xml But the closing ...
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8 views

How to write the shell script which check if the file is present on the cluster file system?

Suppose we have pscp on Windows, and remote control to Linux cluster through key key.ppk, the user and host is name@cluster.com. How, by using shell script (in cmd file), check if some file is present ...
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10 views

create file with users input

How to create a new file which is created and modified at the same time, with the users input. for example: !/bin/bash echo "which Doc" read Doc echo "which DNS_FLG" read DNS This should read ...
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1answer
17 views

Implementing changes via script

Learning stage of understanding script. I have to make these below change on every new system. So I created these script, unfortunately it isn't working. I want to understand that if the user input ...
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2answers
10 views

Monitor log live for error. If error = rerun command and restart log monitoring, if not found = keep monitoring forever

A process in a bash script I'm developing often fails quietly (it keeps running with no error code, but it writes the error in its log file). As soon as the error appears in the log file I want the ...
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2answers
28 views

Combine multiple lines in a file to a single line

I have a file as below.. "Field1"|"Field2"|"Field3"|"ufghjkrtyrtyfgh$" "Field1"|"Field2 continue on line 2 continue on line 3"|"Field3"|"ufghjkrtyrtyfgh$" ...
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79 views

Run a Windows application without displaying its GUI

Is there a way to run a Windows application without displaying its GUI window? I have a 3rd party Windows application which does not have any command line parameter or switch to suppress its GUI. I ...
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1answer
25 views

How to set different shell prompt color for each newly opened terminal

I am using Ubuntu and can manually change the bash shell prompt color to green using export PS1="\e[0;32m[\u@\h \W]\$ \e[m" However, I want the shell prompt color to automatically change whenever I ...
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32 views

Matching a randomly generated integer with a specific place value in a string

In bash I want to prompt user for input in a script. Lets say the input is: #!/bin/bash echo "Please enter a number." read NUM # User enters "12345678" How can I use the next command to generate ...
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27 views

How to create a specific folder structure inside multiple subfolders

I have a folder structure that looks like this drwxrwxr-x+ 9 root admin 306 May 3 10:19 . drwxrwxrwx 15 root admin 510 May 5 16:14 .. drwxr-xr-x+ 3 root ...
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29 views

How to pipe binary stdout to a compressed tls connection?

Not so long ago, I could use : cat somefile.txt | openssl s_client -connect server:port -quiet -comp However, this command doesn’t work, even with-ign_eof: $ cat somefile.bmp | openssl s_client ...
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24 views

To create shell script

I want to create a script to check size of all the files present under particular folder, and if size of any file present under a folder cross 500mb it would trigger a mail to me specifying the file ...
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1answer
23 views

How to pass array to bash shell script?

How do I pass an array as a variable from a first bash shell script to a second script. first.sh #!/bin/bash AR=('foo' 'bar' 'baz' 'bat') sh second.sh "$AR" # foo sh second.sh "${AR[@]}" # foo ...
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1answer
18 views

Accessing array index variable from bash shell script loop

I want to access the array index variable while looping thru an array in my bash shell script. myscript.sh #!/bin/bash AR=('foo' 'bar' 'baz' 'bat') for i in ${AR[*]}; do echo $i done The result ...
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27 views

How to run a shell script from an AppleScript?

I am using a Mac running OSX Yosemite v.10.10.5. When I try to run my shell script from my AppleScript, I get the following error message: Error message at AppleScript Script Editor error "sh: ...
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1answer
21 views

Shell Save the array element values in the variables

I need to copy the files from one folder to another, here source and destination information are in the text file. File content: res.txt /var/lib/jenkins/jobs/Android\ Gradle\ test\ ...
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1answer
28 views

Bash script to find content of file in a directory and add value

I have a directory with a huge number of files. I want to write a bash script to - Enter that directory Find out which of them are Perl scripts (but none of them have a .pl extension) Add a line at ...
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2answers
25 views

Evaluate each environment variable and set it back in ubuntu

I'm trying to write a shell script which reads all the environment variables, evaluate them for included env. variable with in them and re-export after evaluvation. Example - I've an environment ...
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1answer
22 views

How to programatically modify systemd unit files?

I'd like to edit a systemd's unit file from a shell script. I want to change the unit's only ExecStart line. Using systemctl edit looks smart to me, but the command needs an editor set as ...
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14 views

Detecting new USB devices with bash?

I'm writing a bash script that needs to detect when a usb storage device is inserted and assign it to a variable that would otherwise, typically look something like: usb=/dev/sdb. I have a few ...
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1answer
50 views

searching the string with the time in log file using shell script by passing variables

I want to search a string and subtract the time that is found from the current time. When used, the script should show the lines from that time or from the very next log time frame. I'm able to ...
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34 views

PowerShell Script is not digitally signed

I am trying to call a Powershell script from another Powershell script. When I try to execute the script, I receive to following error message: After researching the error on Google, I entered the ...
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3answers
66 views

Shell script Copy file from one directory to another not working

Hi I am trying to automate the android build system through jenkins. Here I am trying to copy the image file from one directory to another directory but always getting " No such file or directory" ...
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1answer
45 views

Shell Script excuted fail in Linux at command

When I run a Linux "at" command,I find the user's shell script executed fail, for example,I write the following code in my script #!/bin/csh #or #!/bin/bash echo "Now will excute a shell script" ...
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44 views

Shutdown a linux computer depending on the battery level

Is there a way to shutdown a linux-based computer when the battery charge drops below a certain level? I have searched through the shutdown and poweroff manuals but found nothing relevant.
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22 views

How to run script in same session without exec?

I have below script to set me in my project:- #! /bin/zsh source ~/.zshrc crld #alias for Project base cd Kenneth_Love/survivalguide workon kenneth_tutorial This script works but doesn't drop me ...
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103 views

How to POST file contents using cURL?

I want to do an HTTP POST of the contents (as a string) of a local file located at path/to/my-file.txt to a URL endpoint at http://example.com/. For example, I might want to do the following: ...
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3answers
285 views

How can I write a bash function that checks if an integer is even or not?

How can I write a shell predicate function event that takes an integer argument and tests if it's even or not?
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29 views

new column to a tab delimited file, with as predefined value

How can I add a new column to a tab delimited file, at the end of the file, containing the same values for each row. For example: infile.txt Name Age Address Sex X 12 adrs1 M Y 15 adrs2 ...
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1answer
49 views

Merge only new entries from one xml file to another

I have 2 xml files. The 2nd file has some new entries including same entries as that of the 1st file. Examples of the 2 files are given below. File 1 <SERVERNAME_ONE> ...
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54 views

arithmetic operation on a nested column in a tab delimited file

I have a tab-delimited text file containing Column1...Columnn columns and R1 to Rn rows. Within some of the columns, there are multiple nested fields with an identifier and then separated by semicolon ...
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63 views

simple arithmetic operations on a tab-delimited text file in shell script

I have a tab-delimited text file containing C1...Cn columns and R1 to Rn rows. Column 10 (C10) has a field 'X'=four comma separated integer values (X=a,b,c,d). I would like do a small arithmetic ...
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32 views

how to write a shell script to take password automattically after the execution of command

#!/bin/bash cd /var/SUNWdsee/ds6/bin ./dsconf show-repl-agmt-status -e suffix Hostname:389 Above is my script. After the execution of the last line it will prompt for password in screen. I need to ...
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43 views

dos2unix command is corrupting the file with unicode characters downloaded via binary mode

i downloaded an xml file having unicode characters from ftp in binary transfer mode. In order to remove the line ending special characters i used the command dos2unix. But this is making the file ...
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cronjob not finding commands [duplicate]

I am running (and also new to) OS X El Capitan. I have a user cronjob that is using some basic commands that I got via brew. wget and s3cmd I have the cronjob executing a shel script in my user bin, ...
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Colon(:) operator in Unix shell

As far as colon is concerned i understand that is is used in certain situations as a null and as a parameter of expansion for substring, but can someone explain me this: do_qc: $(STAGE1_OUT_FILES) ...
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23 views

Bash to dos conversion trouble windows path cygwin

I am having a problem with this script that is run through cygwin using a bash script. I need to run this script using a direct network path which is shown in the second snippet of code. #!/bin/sh -p ...
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1answer
27 views

pass du (disk usage) result to a numeric variable

In a shell script, I'm looking for a way to pass the du (disk usage) result to a numeric variable, so that I cantie the execution of a shell script to the size of a specific folder. I've tried ...
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11 views

Automate creation of content and sending mails from template and list of required variables

I have a list of so many users with their email ids Names Mohit Shrivastava Axyee Jackson ... Corresponding email ids mohitemail@domain.com axyee@domain.com ... I want to send all of them ...
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1answer
30 views

Rename folder on remote server

I am calling a .bat file which contains the following command net use \\128.545.k.k\E_Drive /user:Username psw to connect to a remote server. I would like to rename a folder on the remote server i ...
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1answer
49 views

Emacs: suppress indent after && in shell-script-mode

In shell-script-mode, when a line ends in &&, Emacs will indent the following line. Is there a way to switch that off? (I am concatenating most of my statements with &&. This gives ...
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2answers
31 views

Unable to add spaces

How can i add spaces between my outputs using sed/echo or any other command in linux? Preferred Output: Virtual Machine Test01 status Running. Virtual Disk Test01 size 61GB Physical Disk ...
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1answer
24 views

Duration time between cycles in a log file

My apologies if this is too basic, but I have a log with this kind of information: Mai 5 12:34:00 xoengine XO[1287]: [Xo|xoengineMain.cpp:122|0xb88ec60] starting xoengine 4.0.1.2 (x86) from ...
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1answer
44 views

Cannot execute ssh-ed osascript properly inside of shell script

I have created a ip-down script in my etc/ppp/ directory. Essentially I am trying to kill certain programs/servers when the VPN disconnects, then display a notification on another computer via ssh. I ...
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29 views

Sed command to replace NUL character in file

I am using the command sed -i 's/\o000//g' filename or sed -i 's/\x0//g' filename to remove the NUL character but the command works fine in DEV environment but doesnt work in UAT. OS and sed version ...
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65 views

The “other” finger (GECOS fields at /etc/passwd)

in the file /etc/passwd we have the so called GECOS fields (which stands for "General Electric Comprehensive Operating System"), that is: username:password:userid:groupid:gecos:home-dir:shell ...
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2answers
81 views

Escaping “=” (equal sign) in for /f

I'm trying to run the following command in a "FOR /F" in Windows' shell... wmic process where ParentProcessId=%%PID%% get ProcessId The = between ParentProcessId and %PID% keeps gettings replace by ...
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35 views

How to chain a group of commands in Fish like { … } Bash?

I'm aware of chain Fish commands via && or || but I'm willing to chain a set of commands Code env git clone --depth=1 https://github.com/rafaelrinaldi/theme-pure.git; or { printf "Error: ...
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140 views

How can I send email with attachment xls file using shell script as application/xls mimetype without making the received file becoming unreadable

#!/bin/bash ATTACH1=file.xls<br> SUBJECT="subj"<br> FROM=me@domain.com<br> TO=you@domain.com<br> CC=them@domain.com<br> MIME="Application/vnd.ms-excel" <br> ...
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69 views

Feeding multiline input (here documents) to commands in cmd.exe scripts

In Bash, I can do something like this somecmd << END a lot of text here END to feed input to a command directly from a script. I need to do the same in CMD.exe batch files (.cmd scripts). Is ...