[shell-scripting] Forum Topics

I'm buidling my own shell and I was trying to implement a history function, but was a little lost on where to start. I know i would like to use a for loop to go through list, I'm just having trouble on where to store it.

By examining the first, third and last (seventh) fields of the /etc/passwd file, determine the userid and login shell for your username, the user root, and the user nobody (yes, there is a system user with the username "nobody"). Create simple files in your home directory, called my.uid, my.shell, root.uid, …

First, to explain what I want to do: I have a folder structure like this: BSDS300\images\test\ -which contains JPEG files, and some other files(only .jpg files are of interest) BSDS300\human\color\ -which contains many folders, in which I have .seg files with the same name as the .jpg file Example: BSDS300\images\test\3096.jpg …

Write the Towers of Hanoi program as a shell script. There are two basic strategies: run the shell script recursively as $0, or write a recursive shell function.

I have no clue to why this isn't working but when I try creating a shell path variable in `/etc/bash.bashrc`. This is my variable `SCHOOL="/home/stephen/Steve's\ Stuff/School"` When I type `$SCHOOL` into the terminal I get `bash: cd: /home/stephen/Steve's\: No such file or directory`

**Hi, How would I write a Windows Command to delete all folders recurvsively with a specific wildcard name ({*}) under a specific path that is older than 10 days? I would like to run this on the command prompt and I also want to run it as a batch file. …

Hello! This is mainly a curiousity question, I may apply it to something in the near future though just as an added twist... :D So essentially I want to figure out how a progress indicator is created in the shell. For example with wget or something you may see a …

Hi Can anyone help me out in this. Actually, I have rows like **Bold Text Here** 50121 abc.com 28/1/2014-12:00:00 52111 xyz.com 27/1/2014-12:00:00 deusr abc.com 26/1/2014-12:00:00 50121 abc.com 26/1/2014-12:00:00 52111 abc.com 25/1/2014-12:00:00 I removed the duplicates based on first column and got the output as 50121 abc.com 28/1/2014-12:00:00 52111 xyz.com 27/1/2014-12:00:00 …

Hi all, I am having a play around with batch files but have hit a stumbling block. The file returns the contents of an image folder and outputs the results in html format as such: Thumbnail - Filename (usable link) - Creation Date - Modified Date Please bear in mind …

Hello Everybody, I want to do a project on Linux Shell Programming for my final yr.Can any one give me some idea about what kind of projects I should choose (do) which have industrial relevance and certainly helps in campusing. Thaking you, Supra

I am a beginner for shell script, and I want to know how to check the content of file using if condition I have a files content .txt and what I want is if content of file have .txt; then skip else run code fi

i have the following scenario want to run the following script with manadory and optional arguments inside a bash script Manadory options are : filename="" port="" optional arguments type -t [A/B] balances -b bal prices -p ./test filename port -t A -b bal my code i have that won't parse …

echo ${NUM:0:2} The above is just an example of the kind of code I'M using. I need a way to represent the end of the string. Is there a way to start from the right side of a line of text instead of the left? What I'M trying to do …

I'm trying to get the date to work properly. The time is 5 pm (1700 hours) now i.e. evening but it always says morning. Here's my code currenthour="$(date "+ %-H")" echo $currenthour if [ $currenthour -gt '12' ] && [ $currenthour -lt '16' ]; then currenttimeofday="Afternoon" elif [ $currenthour -gt …

i need help Am written a script to solve my manual labor of cloning in my environment i want to use for statement to give me this kind of output Script for i in 0-4 && j in a b c d e do echo " $i $j this is …

Hello, I have one big XML file (600 MB - 850 MB) in format "**cells_yyyymmdd_hhmi.xml**" I would like to specify that everyday i will have new file with new date. So, *there should be general way to read it and cut it*. For exmaple, i have file of 7th January. …

Hello, I have one "**tar.Z**" file. Objective is to unzip it by shell script and check the date. * archive: filename_20140103_1540.tar.Z #!/bin/bash cd $REP_DATAS/path u=$(date +%u) if [ ${u} -eq 1 ] ; then dateQ=`date --date='-3 day' +'%Y%m%d_%H%m'` else dateQ=`date --date='-1 day' +'%Y%m%d_%H%m'` fi tar xvf filename_"dateQ".tar.Z > error: > …

Hello, I’m trying to make a powershell script that will copy files to and FTP server, but the destination folder needs to be generated each time the copy starts. In lieu of having a ton of issues trying to copy the source folder onto a remote FTP site using powershell, …

Hello I havea simple requirement, But I do not know to execute in ksh. Here is the reqt. I have aseries of jobs that has to run in certain order -First, Run- nuphup Task1.sas & and nohup Task2.sas & parallely(simultaneously) -Second- Wait till Task1.sas and Task2.sas is complete (RC=0) -Third-When …

I know with linux when I want to change the color code I can type in echo -e \033[COLORm] Is there an easy way like this to change the color in windows scripting. I tried @echo off REM This program will list all the colors REM Selected by user input …

Month CBS GFS HR HR Payroll INCV cbs1 gfs1 hr1 hr2 hrm incv1 Baseline <=97 <=125 >=11 >=19 <=25 10 (6mths) 2013-07 97 89 14 28 30 4 2013-08 58 103 18 6 24 18 2013-09 54 110 11 14 25 17 2013-10 108 129 17 8 23 18 2013-11 …

Hello! my Avira just detected an infection with PHP/WebShell.A.1. It resides in C:\Users\Default.Default-PC\AppData\Local\Google\Chrome\User Data\Default\Cache\ and it's called "f_004140". I don't run any web-server on my computer whatsoever so I have no idea how I got it in here. Anyways, here's the "source" of the file. http://pastebin.com/cVzAuS0n https://mega.co.nz/#!gIJFiCZL!JuTagzrj8TI8nMkDZHPD-SRwu8UYs6Z_blMjkEl-aDE ^ The link …

Hi, How will i grep for a string which has '/' in it. I have so many script files some are having #!/bin/bash and some are having #!/bin/sh how can i find the scripts which are having #!/bin/sh. Thanks

Hi, I have installed ubuntu 11.10 on my PC and the default shell i got was dash i found it out by ll /bin/sh But i could not run some of the scripts and thought of changing the shell to bash. so i did, cd /bin rm dash unlink dash …

Hello, Currently I am trying to make Windows Hyper-V and Virtual-Box coexist in the same machine, normally only one hypervisor should be running at any given time but Hyper-V runs all the time. I did some Googling and found this solution (http://derekgusoff.wordpress.com/2012/09/05/run-hyper-v-and-virtualbox-on-the-same-machine/). It works just fine, however I would like …

What is the meaning of INSTALL_ROOT_DIR ?= ${INSTALL_DIR}/${TARGET_ROOT_DIR} I googled for ?= in shell script , but none showed up. Thanks

How can I write bash script to force pre-written sql quaries and inserts into my sqlite3 DB? I am currently having to run my page in a browser and then the sqlite4 DB gets edited by php commands then I have to go back into sqlite3 and manually set everything …

Hi, I am trying to run the a scheduler that executes a batch file.In this batch file I am trying to run synctoy application and the application runs successfully. The scheduler runs successfully. I want to add a script in batch file that exit the command prompt once synctoy synchronization …

xhi, my task is to make a script, which displays the string read from console input in the form of 1 letters / line only. my code looks like this so far read string hossz=`expr length "$string"` for i in `seq 1 $hossz` do echo `expr substr $string $i 1` …

I am trying yo create symbolic link on my mac, but when i try to run i get error saying original item searchMethod cannot be found `$ ln -s '/usr/bin/env python ~/Development/python/searchMethod/python/searchMethod.py' searchMethod`

I'm having some error in my code but I can't understand what the problem is. #!/bin/bash ARG_COUNT=$# EXP_ARGS=2 if [ $ARG_COUNT -eq $EXP_ARGS ]; then echo "The correct number of parameters was passed: " $EXP_ARGS"." echo "My name is: "$1 $2"." else echo "Incorrect number of command line arguments. We …

I try to run a script which has #!/bin/bash but i am getting error as "Illegal option --" /bin/sh is not bash , aborting . i try to change the first line to #!/bin/sh this time it is saying x: unexpected operator i tried runnigscript with ./ and sh, but …

I'm in a class and we discussed what set /p does, but I wasn't paying close attention, I was wondering if anyone could explain to me what set /p does and an example of how I can use it in a batch file for dos

Dear All plse be insour in your personal file and folder are procted or not. help us of use DOS command on any file and procted folders BR# Shyam

Hello people i've been trying to make a halware.... well a halware is a programme that keeps on creating .txt files it keeps on looping, using up like tons of GB... i wanna make a type of halware that atleast takes up 500MB per second.... my bro made it (he …

I'm trying to figure out how to disable some of the right-click Windows context menu items for certain users (i.e. users with less security), can someone point me in the right direction please? Specifically, the lower-security users should only have New-Word Document, New-Excel Document, and New-Powerpoint Document in their right-click …

 I need to create this program for class. I'm not looking for the answer. I'm simply confused on how to create a batch file where I input a number and it gives me an option. Would I use the IF command if so how would I do it. …

Hi i need windows command line to find all files that end with .jpg.pdf and remove the .jpg part so it will be pure .pdf at the end, i have following line for /R %DIR% %%i in (*.jpg.pdf) do set without=%i:~0,-8% & rename %%i "%%without.pdf" It should remove last 8 …

I am trying to run a shell script at a fixed time with the help of "at" command. But it doesn't seem to work. For example, I created a shell script named as "task" having content: vlc and schedule it to run at 21:52 with the command: $at -f task …

I am trying to search for a shell script if it is running and then assigning the count to a variable. Let the script be ScriptXYZ.sh. I wrote: proc_count=$(/bin/ps -ef | grep ScriptXYZ.sh | grep -v grep | wc -l) The problem that I am facing is that even when …

iam doing a python program and the question reads:Write a program that asks the user about textbook prices and reports how overpriced the textbooks are. (You may wish to read this number from the user with the input command. You can round numbers with the round command.) You should match …

Hi, I begin study shell programming. I need a basic tutorial or ebook about shell script control MySQL databases (not shell command) please hellp me!

i write a following shell script to mount attached usb drives. when i run it it runs only su - command. it ask for type password. but didn't run the other commands.what can i do to run other commands? please help me su- mkdir /mnt/Usb mount -t vfat /dev/sdb1 /mnt/Usb

Hello, I have one tar.Z file. I have to run shell script **daily** as it is required to update the database. customer_yyyymmdd_hhmi.tar.Z sales_ yyyymmdd_hhmi.csv (5 MB - 20 MB) purchase_ yyyymmdd_hhmi.xml (650 MB - 950 MB) I have made small part of XML file. There are 4 parts. There is …

I'm currently pulling out information from column B in an Excel worksheet + the worksheet name. How would I go about pulling information from column J (which has the same start row/end row as the information pulled out from column B) in the same worksheet and assigning it to the …

Hi Guys: I am trying to add password to my bash script file. So, it should ask for password when anyone try to open that file. (for eg. anyone perform cat or vi command on that file it should ask for password). Thanks Sonu

In the code below how do I get sed's find and replace value to cary over into the output that gets redirected to the .txt file at the end? Everything else gets replaced but everything in the if statement gets left behind. # example: ./configure input-file, SSID, IP, device-name, gateway, …

hello, I created a awk program to work witha data file to output a table and subtotal the rows and total up the collums and average I got it to work but when i added a presentation header before my totals go away. working code so far ------ can be …

help with the script down here. I am so confuse as to why it is not working. I've change this thing back and forth and getting no where. It is driving me crazy. The error message keep saying script2: line 10: syntax error near unexpected token `done' script2: line 10: …