Operating on a directory and its subdirectories, recursively.

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14
votes
8answers
72k views

How to remove all the files in a directory?

I am trying to remove all files and subdirectories in a directory. I used rm -r to remove all files, but I want to remove all files and subdirectories, excluding the top directory itself. For ...
14
votes
5answers
15k views

How to recursively find the amount stored in directory?

I know you are able to see the byte size of a file when you do a long listing with ll or ls -l. But I want to know how much storage is in a directory including the files within that directory and the ...
1
vote
0answers
35 views

Create tree of processes

I'm implementing pstree as an assignment, and I would like to create test tree of processes, but I'm struggling to do so. I tried to do something like this to create tree of background processes ...
6
votes
3answers
144 views

How to copy a directory recursively using hardlinks for each file

I want to create a "copy" of a directory tree where each file is a hardlink to the original file Example: I have a directory structure: dirA/ dirA/file1 dirA/x/ dirA/x/file2 dirA/y/ dirA/y/file3 ...
17
votes
5answers
10k views

How to list files that were changed in a certain range of time?

How can I list recursively all files that were changed between 22.12.2011 and 24.12.2011?
2
votes
2answers
42 views

Efficient search of unique owners of files and directories

I would like to view the unique owners of all the files and directories underneath a certain directory. I have tried: ls -ltR <dir-path> | grep -P '^[d|\-]' | awk '{print $3}' | sort | uniq ...
6
votes
6answers
2k views

How do I grep recursively through .gz files?

I am using a script to regularly download my gmail messages that compresses the raw .eml into .gz files. The script creates a folder for each day, and then compresses every message into its own file. ...
2
votes
2answers
74 views

List files recursively in Linux CLI with path relative to the current directory, max 250 char

I'm trying to list all the files with names no longer than 250 characters (including the directory it is part of, from the relative path my command is inside). I've seen a similar thread , but that ...
0
votes
1answer
40 views

How do I copy all files that have been created or modified in the last 12 months?

I would like to copy all the files created in the last 12 months to a new folder leaving behind everything else. Including sub folders.
0
votes
1answer
30 views

How do you combine -r and -c for gunzip?

I am trying to recursively gunzip files (-r) but don't have permission in their original location to store them. I know to change the location for a single file you do gunzip {file} -c > {new file ...
16
votes
3answers
6k views

Recursive glob?

I'd like to write something like this: $ ls **.py in order to get all .py filenames, recursively walking a directory hierarchy. Even if there are .py files to find, the shell (bash) gives this ...
3
votes
6answers
52 views

How to copy a folder structure and make symbolic links to files?

I have a folder SOURCE that contains several sub-level folders, each with its own files.. I want to copy this folder in a new folder COPY where I need to copy the directory structure but keep the ...
5
votes
4answers
257 views

Converting `for file in` to `find` so that my script can apply recursively

I've been working on my first bash script for some time now (I just started UNIX this week). I have this idea of running a bash script to check some conditions and using ffmpeg to convert all the ...
2
votes
3answers
111 views

remove all instances of _000 from multiple files

Had to recover my music library from a HDD which died.... got everything I wanted but all music track names have _000 added at the end. I really don't fancy going through 8000 individual music tracks ...
1
vote
1answer
38 views

Recursively list files containing an underscore in the file name

I have a large directory with tons of files and subdirectories in it. Is there a way to recursively search through all of these files and subdirectories and print out a list of all files containing an ...
0
votes
1answer
26 views

Rename and copy/move sets of similar named directories to another location

For a set of directories with similar names at different location, /foldX/dirA with sub-directories aa1 aa2 aa3 aa4 aa5 /foldZ/dirA with sub-directories aa1 aa2 aa3 /foldY/dirA with ...
2
votes
3answers
43 views

Set group permissions as owner permissions

I need to set the same permissions of owner to group recursively to all elements in a directory.
2
votes
2answers
113 views

Run a command with wildcards in each subdirectory

I use this command to make a montage of all the images in a directory: gmic *jpg -gimp_montage 4,\""V(H(0,1),H(2,V(3,4)))"\",1,1.0,0,5,0,0,0,255,0,0,0,0 -o -0000."$(date)".jpg I want to run this ...
0
votes
1answer
49 views

grep recursively in ksh on AIX [duplicate]

How do I grep recursively in directories and sub directories in ksh on AIX? I have tried grep -r but this is not available.
4
votes
3answers
1k views

recursive 'ls' giving absolute filenames

When I do 'ls -R' in a directory, I get something like ./dir1 dir2 file1.txt file2.txt ./dir1/dir2 file3.txt file4.txt but I would like a command that gives me ./dir1/file1.txt ./dir1/file2.txt ...
-1
votes
1answer
57 views

How can I recursively grep through several directories at once?

I use grep -r all the time to find occurrences of a string within files in a given directory: $ grep -r "string" app/assets/javascripts > app/assets/javascripts/my_file.js: this line contains my ...
3
votes
1answer
127 views

Triple dot wildcards

I have a very large directory structure of source code that is very difficult to work with. I would like to run a tool to transform it to a Maven like structure that works better for me. When I have ...
5
votes
7answers
2k views

ls content of a directory ignoring symlinks

I have a directory in which I would like to list all the content (files and sub directories) without showing the symbolic links. I am using GNU utilities on Linux. The ls version is 8.13. Example: ...
1
vote
1answer
317 views

rsync recursively with a certain depth of subfolders

I want to rsync a folder recursively but want subfolders included only to a certain depth. For example I would want a depth of 1,2,3 or 4 subfolders like this: source/ ├── subfolder 1 │   ├── ...
8
votes
4answers
14k views

How can I find all files that do NOT contain a text string?

What concise command can I use to find all files that do NOT contain a text string? I tried this (using -v to invert grep's parameters) with no luck: find . -exec grep -v -l shared.php {} \; ...
-2
votes
2answers
87 views

Can I copy multiple directories into a single directory with a single command?

I have used photorec to recover data from a HDD and now have many directories /home/ray/recup_dir.1, to /home/ray/recup-dir.598 taking up valuable space in my Home directory. I want to copy them ...
3
votes
1answer
126 views

Copy only file details (file name, size, time) from remote machine in unix

how can we copy only file details (filename, size, time) from a remote machine in Unix? For example: I have a directory (/opt/apache/…/webapps/Context) placed on a remote machine. Now I want to copy ...
1
vote
3answers
49 views

Moving files recursively if certain condition is met

I have the following directory tree: records/13/2014.12.16/00/05.mpg records/13/2014.12.16/00/15.mpg records/13/2014.12.16/01/05.mpg records/13/2014.12.16/02/15.mpg records/15/2014.12.14/05/25.mpg ...
9
votes
5answers
28k views

Using sftp to Transfer a Directory?

When I try to use sftp to transfer a directory containing files, I get an error message: skipping non-regular file directory_name The directory contains a couple of files and two subdirectories. ...
18
votes
7answers
37k views

How do I count all the files recursively through directories

I want to see how many files are in subdirectories in there subdirectories to find out where all the inode usage is on the system. Kind of like I would do this for space usage du -sh /* which will ...
1
vote
2answers
381 views

How to find number of Subdirectories under a given directory

In windows you get a count of the number of subdirectories within a directory.Is there any equivalent on Linux ? I'd like it to count recursively & Not stop at a single level.
2
votes
2answers
573 views

Change file ownership, based on previous owner

I am a moderately new linux user. I changed my PC, and started using CentOS 7 from CentOS 6. So I attached my previous hard disk to my new pc to take backup of my files. Now, copying the files (and ...
4
votes
1answer
1k views

Why doesn't inotifywatch detect changes on added files?

I'm trying to monitor my /tmp folder for changes using inotifywatch: sudo inotifywatch -v -r /tmp After creating couple of files (touch /tmp/test-1 /tmp/test-2), I'm terminating inotifywatch (by ...
1
vote
3answers
568 views

Script to count files matching a pattern in subdirectories

I wrote the following script for finding the number of pdf and tex files from the current directory, including the subdirectories and hidden files. The following code is able to find the number of pdf ...
20
votes
2answers
1k views

How does rm -r go about recursively removing? In what order?

Is there some order of operations to rm? I performed rm on a large directory and am curious where I should look to see what might have been deleted. Does rm work on files first, then directories? Or ...
2
votes
2answers
120 views

rsync with colons in filenames

I have a fairly large directory that I need to sync to an external hard drive for both backup and portability reasons. /work I try to run the following rsync command in order to copy this folder to ...
0
votes
2answers
373 views

Different sizes after copy [duplicate]

I would like to copy for backup porposes a Linux user home directory with several GBs of data and the usual configuration files. The source directory and the backup directory should exactly have the ...
1
vote
1answer
511 views

Exclude hidden subdirectories from grep -r

I have a svn local copy, i want to make a search on the string some_string. $ grep some_string * -r lang/en:some_string=Some string lang/.svn/en:some_string=Some string But if a go little further, ...
3
votes
1answer
2k views

Finding largest file recursively

I am trying to find the largest file in a directory recursively. If there is a subdirectory inside of that directory the function needs to go inside that directory and check to see if the largest file ...
0
votes
2answers
95 views

check two partitions by selecting random files and running sha1 hashes on two files of each partition

A previous answer to a post mentions to run sha1 hashes on an images of a dd drive clone image. Another answer to that post suggests mounting the dd image an then compare if the sha1 hashes of ...
3
votes
1answer
3k views

How can I queue up an entire directory for FTP?

Currently I know how to do this: curl -T file.zip ftp://server.domain.com/ --user username:password Which will let me do a single file. However I can't figure out how to do it for a directory. I ...
2
votes
2answers
64 views

Wildcard for arbitrary depth

I want to use grep where paths are arbitrary depth under the directory /path/to/dir and has the file name foo. I thought that the wildcard for arbitrary depth is **, and I tried grep some_pattern ...
1
vote
2answers
182 views

I accidentally GZIPed a whole bunch of files, one by one, instead of using tar(1). How can I undo this mess?

I'm new to the gzip command, so I googled some commands to run so I can gzip an entire directory recursively. Now while it did that, it converted each of my files to the gzip format and added .gz to ...
0
votes
0answers
24 views

How to be certain “cp -n -r /dir/ /des/” does not overwrite files.. and is doing its job ? verbose mode?

I run the command cp -n -r /dir/ /backup/ but there is no way to tell what it is doing.. if it is skipping files that already exists.. if it is doing anything.. I tried adding -v option to ...
19
votes
4answers
1k views

The difference between -r and -R

It often happens that I want to apply an operation recursively. Some commands, such as grep, use a lowercase r to indicate recursion. For example grep -r foo . Other commands seem to prefer an ...
13
votes
2answers
1k views

Why doesn't recursion go upwards with rm?

I'm wondering about direction of recursion in general and rm specifically. rm recursion only works downwards correct? Running: sudo rm -R *.QTFS will delete all *.QTFS files in current directory ...
3
votes
5answers
5k views

Find and copy directories containing file type

I have a directory "Movies" containing subdirectories "Movie Name". Each subdirectory "Movie Name" contains a movie file and related image/nfo files etc. I'm trying to copy all directories containing ...
2
votes
3answers
212 views

How can I use wget to create a list of URLs from an index.html?

So wget has an ability to recursively download files, however it does it one file at a time. I would like to pass in a directory URL, and for each URL it encounters in the recursion for it to spawn ...
1
vote
1answer
419 views

Apply recursive chmod to files or folders only

I'd like to apply chmods to files and folders in one line, Basically: chmod 700 ./* -R # but only apply to folders chmod 600 ./* -R # but only apply to files Of course I searched google and read ...
4
votes
2answers
512 views

Searching for string in files

Is there an easy way to search inside 1000s of files in a complex directory structure to find files which contain a specific string within the file?