Programming :: Check If The User Is In Correct Directory Before Executing Bash Script

Dec 10, 2010

I have been searching for 90 minutes for something that I "think" should be fairly easy. I'm pretty new to Bash Scripting so I could be completely wrong. Then again it may be a weird request to even need something like this. But here it is.I have a script written to convert data from one of our software version to another. The only thing I need to add to it is a "check to make sure the user running the script is in the /tmp directory".

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Programming :: Bash Script To Check How Many Files In Directory?

Jan 31, 2009

i was wondering if there's a bash script to check the amount of files in a directory with an IF statement..

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Programming :: Bash Script To Check How Much Free Space Is Left In /var Directory

Feb 24, 2011

I'm creating a bash script to check how much free space is left in /var directory then, if it hits a certain threshold, delete certain files with numbers for extensions (e.g. fileA.1, fileA.2 fileA.3, and fileA.4, fileB.1, fileB.2 fileB.3, and fileB.4 ). Here's a snippet from my script:

[Code]...

If I use a * as a wildcard for the number extension, the script fails. Maybe regex would work here, but I'm not particularly accomplished at it. Or some other construct.

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Ubuntu :: Bash - Check If All The File Names Are Correct?

Sep 23, 2010

I have bash script for converting files. I have a problem. If file name is "corrupted" then mv command for that file will not work. For example file with "-" in front of the name.

Is there a way to check if in some folder (subfolder) all the files have correct file names or they don't?

If they are all correct -> OK proceed with execution of the script!

If they are not all correct -> NOT OK stop with execution of the script!

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Programming :: Bash Script: Assign Command Ouput To A Variable Without Executing It?

Feb 12, 2011

I'm trying to execute the following command within a bash script:

Code:
tac /var/log/system.log | head -1
The script I wrote is:

[code]...

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Programming :: Bash Script To Correct The Filenames

Apr 11, 2011

I have a directory that has a bunch of files and directories under it that I need to correct the filenames of. In fact, I plan on running this as a cronjob to keep checking filenames for certain characters. I want directories and filenames with spaces or pluses (+) to have those certain characters replaced with underscores (_). I know that this will involve sed but I'm not sure what else. A simple shell script would handle it.

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General :: Check If Directory DOES NOT Exist In BASH?

May 10, 2010

i tried to create a if else statements or either an else statement I get a message saying that the directory exists (mkdir: cannot create directory `./MAY2010': File exists I am running this in a crontab file and I dont want any output telling me that the directory exists. I just want to check if the directory doesnt exist, create one else do nothing (not even a message telling me that the directory exists).

[Code]....

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Programming :: Simple Bash Script Not Returning Correct Value?

Sep 14, 2010

I have a very simple bash script:echo -n Create home directory?:

read HOMEDIR
if [ $homedir="y" ] || [ $homedir="yes" ]; then
homeval=" --makehomedir"

[code]...

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Programming :: Correct / Common Directory Tree For Software Packages?

Mar 16, 2011

I found it easiest to embed narp into the gtk+-2.0 installation because all I needed to do was tweak the Makefile.am and Makefile.in files and let configure do the rest.This is a hack. I've failed at getting my own makefiles to work.

Would anyone point me in the right direction on how to properly make an installer for Linux? Also, what is the correct/common directory tree for Linux software packages? Any more suggestions on proceeding with this project using community standards?

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Programming :: Fork: Not Enough Memory While Executing "spawn Bash"

Apr 9, 2010

I have a TCL framewrok for my test cases automation. This is been working for last 1 year. But yesterday it exited with exception when a function was called. The exception was given as fork: not enough memory while executing "spawn bash"(procedure "runtrigger" line 36) invoked from within "runtrigger $fnAfter $sid_l $mapver" ("trigger" arm line 6) invoked from within

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Programming :: BASH - Can't Check If XScreenSaver Is Running

Feb 26, 2011

I'm having trouble trying to make a script. What I want to do is check if xScreenSaver is running in my user account. If not, run it. If it's running, kill it.

So this is the script I've made:

Code:

The problem is that I've echoed the output of $(pgrep -u $(whoami) xscreensaver) and it always seems to add 4 numbers to the pid, even if the pid doesn't exist. What do I mean by "doesn't exist"? That no xscreensaver is running in my user, and if I run pgrep -u $(whoami) xscreensaver in bash, I get not output, but if I run the command though the script, I get (for instance) 4050. If I run it again, I get 4054, and again 4058... etc. What the hell is going on with that?

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Programming :: Bash Function Check For Valid IP?

Apr 16, 2010

I have been working on this way too long now...this *should* be simple. I must be missing something simple at this point.

Code:
function f_is_ip()
{
if [ "`echo "$1" | /bin/egrep "[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}"`" != "" ] ## Error on this line

[Code]....

When I echo $1 ## prints 192.168.1.22

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Programming :: Bash Script - Executing Answer To Another Script?

Nov 4, 2010

I have a simple BASH script that I want to make it execute USERNAME and PASSWORD to another bash script and htdigest. But After passwd, with htdigest and the script rustart, I have to manual enter the answers.

#!/bin/bash
echo -n "What is the user name?"
read -e USERNAME

[code]....

Quote:

This will ask me for username and password, but I want it to take the username and password from $USERNAME and $PASSWORD

service rustart restart

Quote:

This script needs a username to restart another exec, but I don't wana have to manually type in the username, I just want it to automatically fill in the $USERNAME

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Programming :: Command In Bash Script To Check If Tar Is Currupt Or Not?

Jan 20, 2011

As part of my script I need to compress a 50Gb file. but I need to check that the compressed is not corrupt if it is ok it will then send it over if not it will report an error.

cd /home/ops/Desktop/temp
tar czvf backup-"$(date +%d-%b-%y)".tgz /home/ops/Desktop/temp

I need some here to check the compress file then somelike if the file is

if
send the file
else
send an e-mail reporting a failure

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Programming :: BASH - Script To Check Installed Software?

Apr 1, 2011

I am looking for a little help with a Bash Script. I have just finished a PC GUI application using Pygtk and glade. But, I would like to write a Bash Script to check if the user has the needed software to run my application on his or her computer. For example, the software needed to run my application among others are Python, nmap, and pygtk. Code: which python which nmap With a little bit of research I found:If python or nmap are installed on my computer and I run the above commands, the above code will tell me where it is located. But if python and nmap are not installed and I run the commands, nothing is displayed.

Could I get a few ideas on how I would go about getting a boolean value to determine whether or not the software is installed or not. I would like to use the boolean value in my bash script to perform other actions ie echo "Python is not installed" or actually install Python if the boolean value is false.

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Programming :: Bash - Statement To Check If A File Exists Or Not?

Oct 6, 2010

This script that I found online does the job it promises. it does convert the files to mp3 without an issue. What I need to include now is an if statement that says If $file.mp3 exists then delete $file.wav

Code:
#!/bin/sh
# name of this script: wav2mp3.sh
# wav to mp3
# Credit to the script creator (Nikesh Jauhari):

[Code]...

After that I'm stumped as to how to do the if statement

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Programming :: Check Available Space On A Directory With C++?

Sep 23, 2010

i'm using c++ and Ubuntu and I need to write/copy some files to a directory chosen by the user of my system (the user can save it on any folder of any disk of the pc or other usb device). Before I do it, I need to know if there's space available on the disk. I cannot only check the result of write() function, the validation must be executed before I start to save or copy.

I was trying to use statvsf structure, but I only have the complete filepath (/home/lobinho/myDocs/), not the disk path. The statvfs() function only works with disk path (i.e. /media/KINGSTON ).

The source of my function:

Code:
int MyClass::availableSpace(string dst, ulong* availableSize) {
int result = ERROR;
try {
struct statvfs devData;

[Code]...

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Ubuntu :: Bash: User Prompts And Directory Changing?

Mar 2, 2011

Basically I'm trying to create a bash script that'll ask for a folder name and then change into that folder.

Code:
Not real code but bare with me!

echo "Enter the desired folder and press [ENTER]
read $folder
cd $folder
pwd
/home/<user name>/<whatever the user entered>
Is this possible with bash or am I chasing a pipe dream?

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Programming :: Check If There Is Any Ejb File Exists In The Directory

May 1, 2011

I have a directory called /data In this directory I have some files like abcejb.jar,12_ab_ejb.jar, shejb.jar, test I need a shell script like... 1st I want to check if there is any ejb file exists in the directory using some condition If ejb files exists I want to redirect the ejb files list to a file called list. Now I want to copy all the files in the list file to some remote system.

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Programming :: Check If Directory Exists Using Shell Script

Apr 20, 2009

I am trying to write some small script file that will check if a USB stick is connected to my pc or not. I can't seem to get it to work, but I am sure it is a very simple fix.

I am running on Fedora core 10.Can anyone help me figure out what the problem is?If I run these lines through console it works fine (meaning, I type the commands in this file straight in the command line/console).

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Programming :: Shell Script To Check Whether Directory Exists On Remote Server

Jan 17, 2011

I am new to scripting, would like to have a script that tests whether a directory exists on remote host & display the message accordingly. The remote hostname can be provided by means of file containing list of hostnames. Can use rsh for connecting to remote host.I tried with couple of scripts by searching google but didn't get desired result. Please help me, below is my efforts, $file contains list of hostnames.

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Programming :: C++ Codes To Check Whether User Is Root Or Has Admin Rights

Jan 8, 2011

One of the feature in my application involve changing of hardware setting. This require the user to be root or have administrative right.Before my application enable that feature, I want it to check whether the user is "root" or not, or whether user use "sudo" command to run the application or not, or whether the user has administrative rights or not.What are the codes or library that can do this?

NOTE: Sometimes, advanced linux user may set the user id of root to something else other than 0. So, getuid() may not be helpful in this case.

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Programming :: Check If A String Entered By User Starts With A Particular Pattern Or Not?

Feb 4, 2010

How do i check if a string entered by a user starts with a particular pattern or not?

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Programming :: Bash - Compare Directory To Database?

May 23, 2011

I have a (rather large) database of mp3 track information. I also have several directories of the actual mp3s. I'm trying to write a simple bash script that will check the contents of the directories against what's in the database, and upon finding a file that isn't in the database, do something.

Here's what I have so far:

Code:

The trouble I'm having (in the sample directory of "/mnt/music/B/Beatles, The/" the file "Beatles, The - Taxman.mp3" isn't in the database.) is getting it to actually trigger an error when an entry isn't in the database.

Once triggering on a non-entered file is working, any way to get it to traverse the entire /mnt/music hierarchy?

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Programming :: Excluding Directory From Backup In Bash?

Jun 30, 2011

I've got the following code and kludge. It's working okay except that there's a directory called "Archive" which I don't need to backup. I've tried various combinations of &&, -a, etc., and I'm kind of at a loss for getting this right.

Here's the code I have so far:

Code:
#!/bin/sh
# backup subdirs as individual tarballs with prepended timestamps and
# move them somewhere else.
# --exclude "/path/to/dir/*" (Doesn't seem to work)

[Code]...

How can I write that line so that I can loop through all of the subdirs, tarring them up, but excluding the "Archive" subdirectory?

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Programming :: Getting Directory Names From A Given Path In Bash?

Apr 11, 2009

I am programming in bash and really stuck finding directory names. I have a script to find all the .php files on my / partition which will return the whole path. Is there a way to print directory hierarchy with all those values leaving out the forward slashes.

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Programming :: Reading Files In A Directory Using Bash?

Nov 6, 2010

I am trying to write a simple script to list all the files in a directory. The script I wrote was as below where the pdb_files is a directory and all the files which I want to list are in that folder.

Code:
files=`ls -F pdb_files/*THERMO*`
for inFiles in $files
do
echo $inFiles

[Code]....

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Programming :: Bash Script That Will Operate On All Files In A Directory?

Jul 22, 2011

I have about 50 files that the script will operate on, they are all located in the same directory.I need a bash script that will operate on all files in a directory. The script needs to add two lines to the beginning of each file based on the file name, and one line to the end of the file.A file named myfile.h should add these two lines to beginning of the file:

Code:
#ifndef MYFILE_H
#define MYFILE_H

[code]....

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Programming :: Bash Script To Create Directory Sizes Around 4GB

Jul 22, 2010

I have a Directory of files over time the directory has become a pain to manage... Its now a few 100GBs each file has a partner .log file so id would want some logic in keeping these together..So I want a script to move the files into sub-directories with a limit or 4GB and then i'll burn each of the directories to DVD.

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Programming :: User Input Bash Script

Apr 28, 2010

I've written a bash script that allows a user to input a directory location to find out the size of the directory. However, if the user inputs a directory and finds its size then inputs another directory then wants to quit, the script asks the user numerous times if he wants to quit!! The script won't exit until the number of times the user looks at a directory is reached! What gives?

Here's the script:

Code:

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