Programming :: Synchronize Two Directories (bash Script)?
Feb 11, 2011
It achieves a bash script that takes two parameters (command line). These two parameters must be two paths of two directories (existing, and different such as not being of the other sub-folder). Path1 and path2 are for simplicity.The script will recursively visit the two directories and all sub-directories, sub-sub-directories, etc.. Looking for differences between their contents (files or directories). In particular, suppose that we work with both path1 and path2 directory, and scanned the files contained therein. These situations can occur:
* Path1 exists in a file that is not present in path2: in this case, the script displays the path of the file to you (print screen) and asks if he wants the file is copied in path2 or not. Reads the user's response and acts accordingly.
* Path2 exists in a file that is not present in path1: in this case, the script displays the path of the file and asks if the user wants the file is copied in path1 or not. Reads the user's response and acts accordingly.
* Both path1 path2 in a file with the same name but different contents: in this case, the script displays the path of the two files (which of course will start with path1 and path2 but end with an equal) to the user together with the two dates have been changed last time. Then asks if you want the file to be replaced by one in path1 path2, or that the file is replaced by one in path2 path1, or that both are left unchanged. Reads the user's response and acts accordingly.
* Both path1 path2 in a file with the same name and same content, in which case the script does nothing and proceeds with the next file.This is done for all regular files in path1 and path2. The special file (socket, device, symbolic link ...) are ignored. For folders in path1 and path2 is recursively by:
* Path1 if there is a folder that is not present in path2: in this case, the script displays the path to the folder and asks if you want the folder and all its contents are copied to path2. Reads the user's response and acts accordingly.
* Path1 if there is a folder that is not present in path2: similar at first.
* Both path1 path2 that there are two folders with the same name as the script works recursively on the two folders.
Im running on Solaris 10 and I am trying to write a script that will look at all the directories in export.home and then grep for the those in passwd and will display the directories that don't have a password associated with them
Here is what I got so far but its not working. #!usr/bin/bash for i in 'ls /export/home' do test='getent passwd | grep $i' if [ $test="" ] then echo "No Home Diectories Found $i" fi done
All this does is display what was listed in the export.home. What I want it to do is just display what was not found in password.
I'd like to have a copy of a web site on my local drive. Then when I make changes to that copy, have those changes automatically updated on the site's server. Ideally I'd like to tell it to only do this for certain file types. Does anybody know of a way to do this with Linux?
I have 2 threads and both of them are deleting memory at the end nedded by both.
My problem is that maybe it can happen that a thread start and finish before the other one starts and so it deletes the memory nedded by the other thread. How can I synchronize them so that this can't happend.
As a design my threads look like this:
Code:
The other thread looks the same, but this isn't unoff to stop thread1 to finish before thread2 starts.
I've written a "C" program which transmits audio to a number of computers over a TCP LAN connection. I'm using ALSA, the preemptive kernel, and pthread. After running for 30 minutes or so the slight variation in sampling rates (~+-.01%) among the computers accumulates and manifests as a noticeable differential delay in the sound from the speakers. I know how to detect the variation and would like to dynamically compensate for it by individually varying the sampling rate (ever so slightly) of each playback device to oppose the variation.
Does anybody out there in Linux Land know how to dynamically vary the playback sample rate? I've tried using snd_pcm_hw_params_set_rate() and snd_pcm_hw_params_set_rate() followed by snd_pcm_hw_params() to no avail. They don't seem to work when playback is running.
I'm very new to working with the terminal on my macbook pro and am trying to understand how to navigate into certain directories with it. I can't seem to get out of my username directory. I'm trying to access MAMP/htdocs and get those files into my git repository. I'm new to all of this. I am typing and getting this: David-Adamss-MacBook-Pro:~ davidadams$ cd Applications/MAMP/htdocs/barcodes -bash: cd: Applications/MAMP/htdocs/barcodes: No such file or directory I need to get the "davidadams$" out of that line but I don't know how to navigate out of it.
I have 5 FTP users that upload files (and subdirectories) in their home directory, i need to mirror theese directories beetween them and with a "master" directory (accessible from a 6th user). Files can contain spaces or others special caracters. All the files are in the same filesystem, and i want to use hard link because i don't want to waste 5 time the space of a single file. I tried with find but i cannot handle spaces in it.
I've spent some time searching for answers to this and I haven't found much at all.Please feel free to post pointers to other threads that discuss this particular problem, if you find any.The problem is that in bash I want to mount an iso file to inspect the contents with the command:Code:sudo mount myCD.iso CDMount -o loopThe command works fine, but pressing tab to complete either the iso filename or the CDMount directory does not work. The completion suggestions I get are existing mountpoints which The completion suggestions should include the files and directories in the current directory. This worked with Ubuntu 10.04 and not with 11.04.
I wrote a script that easily runs it in the same directory as it was run below: #for f in *.MTS do ffmpeg -i "$f" -acodec copy -vcodec libx264 -threads 2 -deinterlace -vpre slow -b 20000k -bt 3000k -refs 4 "${f%.MTS}.mp4" ; #done
I want to be able to use the find command so it will recurse through all the videos in my videos folder. Is there a painless way to do this. Here is the start of my find command but it doesn't work. Any help appreciated:
I would like to know how do I print the line # in a script. My requirement is, I have a script which is about ~5000 lines long. If there are any errors happen I just exit. And I would like to add the line # of the script where the error happened.
Code: #!/bin/bash trap "echo 'you got me'" SIGINT SIGTERM # to trap ctrl+c echo "Press ctrl+c during 5 sec loop" for ((i=0;i<5;i++)); do
[Code]...
How come code behaves normally and stops when ctrl+c signal is caught and resumes, but after I use at least one timeout read in the code it looks like, if signal is caught again it doesn't pause the execution but skips the loop. If you remove -t (timeout) option from the read, both loops look the same!
Now in my bash script, I want to get the output /home/user instead of $HOME once read. So far, I have managed to get the $HOME variable but I can't get it to echo the variable. All I get is the output $HOME.
I have written quite a few separate bash & scripts and php scripts that up to now I have run from cron jobs. However I have to estimate how long each takes to run, before running the next and so it probably takes much longer than necessary to run them all. They have to run in order.
Now there are so many I am thinking it would be better to have a master bash script that would run one after the other, but I am not sure how to get the master script to wait before starting to run the next script. Is this possible and is there a command that will make the script wait between bash and php scripts , for them to finish, before running the next?
I think it would be better to count the len and remove 3 chars to right to get the extension, but it can be macintosh filenames with have 4 chars for extensions.
I need to find if, in a folder any directories exist, except a certain one named "mes croquis".What I am trying to say, is that the re already is a directory named "my croquis", which I have to ignore. IF any other directory appears, I have to archive them.I got everything so far, except the starting condition.In other terms , I am lookign for something like this:
IF anyDir EXIST AND name != "mes croquis" do something else
I'm having problems figuring out the process to find directories that DO NOT contain a certain file. I have a mp3 collection that all the album art is name "folder.jpg". Not all the albums have images. I need a way to find the albums/directories that do not contain "folder.jpg". I can find the ones that do contain "folder.jpg" with
I'm trying to figure out how Make handles directories.
How can I modify this makefile so it will put all of the .o files in a separate build directory?
Code:
But make ignores this and still puts main.o in the base directory. And if I refer to the build directory in the dependencies for bandit, make complains about "no rule ..."
I want to keep main.cpp in the base directory, all other sources in the src directory, and all object files in the build directory.
I have tried this a million ways, got it to work once but it didn't work sitewide for some reason. I have a url: [URL] and I want it to be found by going to: [URL] I am using this
I need some direction on a small scripting question. I've been doing some development and storing the code on a network drive with multiple user access. My development is getting complex enough that it is time to set up a svn repo for it. I would like to set up a little script (if possible) that prints a message/reminder to whomever is accessing the code directory stating that the code is ultimately stored in svn and any changes need to be checked in, etc. Is there a way to have linux print a message to the screen based on a 'cd /specific_dir/' command? So far google is mum on the topic. Using Debian and bash shell.
I have been searching for a solution to the following problem:
When my distro of choice updates Firefox web browser, the directory name is '/usr/lib/firefox-<version>'. The problem here is that the directory name is dynamic by nature and doesn't allow a simple static solution, e.g. 'cp -rf /usr/local/files/bookmarks.html /usr/lib/firefox/defaults/profile'.
The same quandary applies when adding extensions, changing prefs etc. I have looked at the following commands:- find, sed, xargs, grep, awk, fprint. Unfortunately my grasp of syntax and programming is very simple at best.
I am supposed to create a script that displays the directories alphabetically with the size of each directory on the left hand size. I know you should use du to check for disk usage. So far i got the directories to display but not alphabetically.
I have mounted remote Windows share using CIFS and writing bash script for those files. However being a windows share since there is a space between directory names like "Program Files" and hence I am not able to parse it through bash script and script exits with error.
Does any one have any idea about how to perform the operation in script on such directories?
e.g. cd /tmp/temp/Program Error: No such File or Directory cd Files/ Error: No such File or Directory
I'm in the midst of making a perl script and I was wondering if it was possible, to say, have a folder with 20 files in it, then move 5 files out of there, into a new one. I would like to to do this until the original folder has no more files in it, but I'm very stuck.
This simple task is proving harder then imagined. I have a multi-level directory that I'm trying to clean of duplicates, but I can't get 'find' to print what I need to see. To give an illustrative example, here is a dir:
Code: stuart@stuart:~/testdir$ ls * dir1: level2: dir1
So the output of find as i'd like it to work would show the two locations of dir1, which would be ./dir1 and ./level2/dir1. But no:
Code: stuart@stuart:~/testdir$ ls -d */ | head -1 | find . "`cat`" -type d . ./level2 ./level2/dir1 ./dir1 dir1/
