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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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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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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Sep 10, 2010
I need to add something to an existing shell script that will check whether a remote server is up or not.basically (but I can't figure it out) :-
if [ -the server to check- ] ; then
echo "Server is Up"
else
[code]....
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Jan 21, 2010
How to check if a directory exists in Linux command line?
[Code]....
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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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Apr 30, 2010
I am in need of a way to check that the same file exists within two different directories using a filename as a variable. Here is the process which requires it: The script is reaches out (via ftp) and pulls down a file(s) and delete it afterwards. This is halfhazard because in the instance it doesnt pull down the file, yet still deletes it, we are up a creek. I am looking to pull it down to a temp location and then verify that file exists in the location in which it needs to be present to process before deleting it, adding a little extra layer for security. The script itself is finished.If I put a file name in manually it works perfect. I just need a way to pump the filename into the variable.
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Aug 10, 2010
I am writing a shell script to delete a file if it exists.
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Jul 27, 2013
I need a script that dose the following checks if files exists by read input from a file then compares them to the files listed in the directory if they don’t exists the script would report back which file dose not exists. I also need to format the output so that files are grouped in different groups, group A, B, and C and etc based on file name. I would like the output of that do not exists files to be sorted based on second number in the file name than group according. I understand some of the basics of bash scripting something along of the lines of a loop and if statements might do the trick. Below is what I have so far. I don’t car so much about the script reporting back the file exists I prefer to only know if the file is missing and is less than 3 days old. Problem is if a file dose not exists in the reports file the test compares against the wrong file.
Group A
Foo22000.tar.gz
Foo22010.tar.gz
Group B
foo25000.tar.gz
foo25100.tar.gz
Group C
foo26000.tar.gz
Code] ....
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Jan 21, 2009
I have a file that's supposed to be growing in size 24/7. I want to check every 10 minutes via cron that it's actually growing. If not, send an email. Does anyone know how to write a script to do that?
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Nov 7, 2009
I'm playing a game through wine (fullscreen), when I alt-tab back to my ubuntu desktop, the resolution doesn't change back, but stays at the game resolution.I'm currently using a shellscript that changes the resolution back to my origional resolution (using xrandr -s 0)
Is it possible to check which window has focus using a shellscript.If the game doesn't have focus change resolution to my origional resolution.
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Apr 2, 2010
I am a novice to the shell script. In my system from db server the log files are enerating with the name log1.txt,log2.txt..... It is capable of keeping 10 files at a time in dir called /db/sis/log1.txt. I want to copy the log1.txt to another directory when ever it generating by attaching the time stamp to it for the back-up purpose. this files will be there for a period of 24 hours. after that the back-up dir should be cleared and it start copying again the fresh file from the same dir.
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Aug 19, 2011
I've run into a problem with my bash program.
Code:a mkdir -p /home/chris/Downloads/ARCHIVE/`date -I` find /home/chris/Downloads* -mtime +14 -exec "cp {} /home/chris/Downloads/ARCHIVE/`date -I` ;
It's meant to move old files from my Downloads folder into an archive file (later tar them). The directory exists, I've used $PWD and nautilus and ls to make sure it's there, yet for every file it gives
Code: find: `cp /home/chris/Download/foo.bar /home/chris/Downloads/ARCHIVE/2011-08-19': No such file or directory I tried to test it on a different destination, specifically my home folder. IT still gave me the error.IS it a bad syntax within find or something else? I'm running a 32-bit system with 11.04
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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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Jun 26, 2010
How do i write a shell script to ssh into a remote server with password and run a script in it?
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Feb 20, 2010
I have scenrio where i have to check first whether the files exists or not then count of records should not be equal to zero and file should be of current day not the previous day then only process my next task.There are three files totally.please let me know how to write script to achieve the same.
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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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Feb 12, 2011
i am trying to write a shell script which will check my IP and domain name in rbl and inform me if it is listed.
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Apr 27, 2009
from nmap localhost | grep mysql command i will come to know whether mysql server is running or not.my problem is i want to test whether mysql server is running or not in shell script and if it is running i need to tell the user to stop the server to run the shell script.
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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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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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Feb 23, 2011
I am trying to search particular directory which has files with extensions like .html,.mp3,.xml etc I have a list of such files What I am doing in my script is
for file_name in `find /home/ -name index.html -o -name song.mp3 -o -name help.xml`;
do
if [ $file!='' ]
then
[code]....
I have around 100+ files name with some particular extension , this code works fine if the directory name does not have any special character in it like " "(white character) .
It is failing to give the output. IF I run the find command on the console the I am getting the correct file name with location
/home/user1/public_html/mediawiki/config/movie.mp3
/home/user1/public_html/mediawiki/movie.mp3
/home/user1/public_html/mediawiki/pop.mp3
/home/user2/public_html/index test/pop.mp3
/home/user2/public_html/index test/web.xml
/home/user2/public_html/song.mp3
If I echo the file name from the script Then output is little missed match when a directory name has special char like " "
/home/user1/public_html/mediawiki/config/movie.mp3
/home/user1/public_html/mediawiki/movie.mp3
/home/user1/public_html/mediawiki/pop.mp3
[code]....
I am not sure what is wrong with script or my code .. Does shell have un-controlled behavior of manipulating the output of any command.
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Jun 9, 2011
Is it possible to set up a udev rule that will check if a file exists on a USB drive?
I've got a few ubuntu servers in environments with some very not-techy peoples. Im hoping to get to the point where I can give them a few USB sticks with scripts on them, and if they plus one of these sticks in it will be mounted in, say, /media/special (rather than /media/usb0..7) and then the script would be run. But if a usb drive without special.sh is inserted, it should be mounted to /media/usb0..7 as normal.
I've been googeling for udev rules, and it seems simple enough to specify a mount point based on brand/model/serialnumber/etc... but i havent been able to find anything about checking for the existance of a file.
Tho the more i think about it, the more im starting to think its not going to be that straight forward. Can udev check for a file on a drive before that drive is mounted? Is it going to be a case of mounting every drive to /media/usb0..7 then having a script run that will check for the file, and if its there change the mount point before running special.sh?
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Apr 7, 2010
How do I obtain information about the running x-server from a remote shell session? I want to know things like resolution, color depth, etc. My xorg.conf is basically empty. The only thing I can think of doing is to read the Xorg.0.log file which seems inefficient.
I thought that 'xrandr' displayed some text output but that behavior has changed (?). It seems to require an X display. Is there another way? Something I could incorporate into a shell script? (This is Fedora but that shouldn't really matter)
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Jul 18, 2010
delete a file on a remote server using shell scripting.
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Mar 18, 2010
I am facing a problem in Windows due to a virus called Newfolder.exe which creats files with the same name as it's parent directory and an extension .exe and this happens for every directory in the entire hierarchy in the infected pen drive. The antivirus detects them, but is sucking slow. So I thought this is a good opportunity to use the concepts of the all mighty shell script to remove those as they follow the same pattern. Say my complete path is
Code:
/home/pkd/fol1/
The virus would have created an file with complete paths
Quote:
/home/pkd/fol1.exe
If fol1 has two more directories fol11 and fol12 Then there would be two more .exe(virus created) in the following path
Quote:
/home/pkd/fol11/fol11.exe
/home/pkd/fol12/fol12.exe
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Jun 2, 2009
want to write a shell script to copy database archivelog files sequential from one directory to another directory within a server. I am hereby enclosing the sample archivelog file name. Archive log filename : log_0000118432_1.arc (Here number 0000118432 will be sequentially incremented by 1 for next filename). Here the catch is all Archivelogs must be copied to destination directory. Previously copied files should not be copied.
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Nov 21, 2010
how the bash script should look to copy huge directory with multiple sub-folders to a new place place while checking load and stopping for several seconds if load reached lets say 3 or 4 ? I only know the simple command cp -r /dir/allfiles /dir/newplace However would like to copy over 30 000 files which will cause me a high load.
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Nov 8, 2010
I want to find maximum length file in a given directory. It should search recursivley. I want this to be done using ls and simple looping constructs.
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Jan 14, 2010
I'm working on my first bash script. My script will do several things but right now I'm just trying to get the basic part of it down and working.I have a section that looks like this
Quote:
#/!bin/bash
SERVER=$1
if [ ! -d `ssh ${1} /somedir`];then
echo "Bad"
[code]...
The problem is that if you take that right now and run it, it will return back good in that it does exist. What I need it to do is pass back that it's bad because it doesn't exist (that is unless you actually do have that directory in your root).
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