How to delete a specific folder in specific folders - bash

Using
find . -name "*_develop-*"
I am able to find all folders in the current directory that contain _develop- in the folder name, e.g.
myfolder_develop-abcd
myfolder_develop-efgh
Now inside these found folders I'd like to delete the folder "temp".
How do I pipe the required command to look into the resulting folders, find the required folder and then delete it?

You can use -exec option to make a rm -rf command on match folder.
Command should be like that :
find . -name "*_develop-" -exec rm -rf {}/tmp/ \;
{} represent a match folder, so {}/tmp/ represent tmp folder inside a match folder

You could use -regex flag
find . -regex '.*_develop-.*/temp' -type d -delete
or if it is the folder directly below
find . -regex '.*_develop-[^/]*/temp' -type d -delete

Use find with xargs
find . -wholename "*_develop-*/temp" -print0 | xargs -0 rm -rf
Using print0 and xargs -0 replace spaces by a NULL character. It is useful if there is spaces in some directory names, so xargs would fail without it.
You could use find . -wholename "*_develop-*/temp" -delete but that will fail if temp directory is not empty.

Related

Mac terminal how can i search in all folders and subfolders for image

How can i search for example all .png files on an external disk and copy them to another directory?
Have tried to use the cp command. Have try it but don't work for me
?
Monterey 2.2.1
cp /Volumes/Data *.png /Volumes/Data/pictures_png
cp command won't work if you need to recursively copy from the sub directories. You need to use find.
Syntax:
find $SOURCE -type f -name '*.type' -exec cp '{}' $DESTINATION ';'
In your case,
find /Volumes/Data -type f -name '*.png' -exec cp '{}' /Volumes/Data/pictures_png ';'
Here is how it works:
-type f means copy only files not directories.
-name is to provide the filename to find. Here *.png for pattern matching
-exec executes the following line for each result the above find returns.
{} will be replaced with the results from find
; terminates -exec command

Bash script for removing specific file from certain subdirectories

On a unix server, I'm trying to figure out how to remove a file, say "example.xls", from any subdirectories that start with v0 ("v0*").
I have tried something like:
find . -name "v0*" -type d -exec find . -name "example.xls" -type f
-exec rm {} \;
But i get errors. I have a solution but it works too well, i.e. it will delete the file in any subdirectory, regardless of it's name:
find . -type f -name "example.xls" -exec rm -f {} \;
Any ideas?
You will probably have to do it in two steps -- i.e. first find the directories, and then the files -- you can use xargs to make it in a single line, like
find . -name "v0*" -type d | \
xargs -l -I[] \
find [] -name "example.xls" -type f -exec rm {} \;
what it does, is first generating a list of viable directory name, and let xargs call the second find with the names locating the file name within that directory
Try:
find -path '*/v0*/example.xls' -delete
This matches only files named example.xls which, somewhere in its path, has a parent directory name that starts with v0.
Note that since find offers -delete as an action, it is not necessary to invoke the external executable rm.
Example
Consider this directory structure:
$ find .
.
./a
./a/example.xls
./a/v0
./a/v0/b
./a/v0/b/example.xls
./a/v0/example.xls
We can identify files example.xls who have one of their parent directories named v0*:
$ find -path '*/v0*/example.xls'
./a/v0/b/example.xls
./a/v0/example.xls
To delete those files:
find -path '*/v0*/example.xls' -delete
Alternative: find only those files directly under directory v0*
find -regex '.*/v0[^/]*/example.xls'
Using the above directory structure, this approach returns one file:
$ find -regex '.*/v0[^/]*/example.xls'
./a/v0/example.xls
To delete such files:
find -regex '.*/v0[^/]*/example.xls' -delete
Compatibility
Although my tests were performed with GNU find, both -regex and -path are required by POSIX and also supported by OSX.

How to recursively delete files using regular expressions on OSx

I want to delete all the temp files under a specific directory and all its subdirectories. I can search for the files using the command find ./* -iname "._*" but how do I delete all these files? I know -iname is not working with rm and rm */._* didn't really work as I was expecting
Your specific find
find ./* -iname '._*' -delete
a more general example (delete all .orig files after a git merge);
find . -name '*.orig' -type f -delete

Delete all hidden files in folder and subfolders

I need to delete all hidden files in the current folder and its sub folders. Is there any way to do it with a single line command without creating a script?
Use
find "$some_directory" -type f -name '.*' -delete
If you want to remove hidden directories as well, you'll need to take a little more care to avoid . and .., as mentioned by Ronald.
find "$some_directory" -name '.*' ! -name '.' ! -name '..' -delete
With either command, you should run without the -delete primary first, to verify that the list of files/directories that find returns includes only files you really want to delete.
For completeness, I should point out that -delete is a GNU extension to find; the POSIX-compliant command would be
find "$some_directory" -type f -name '.*' -exec rm '{}' \;
i.e., replace -delete with -exec ... \;, with ... replaced with the command line you would use to remove a file, but with the actual file name replaced by '{}'.
For my Netgear Stora, I wanted to remove all the hidden .webview .thumbnails .AppleDouble etc files and folders.
This works from the /home/yourusername/ folder:
find -type f -name '.*' ! -name '.' ! -name '..' -exec rm -fv '{}' \;
and then
find -type d -name '.*' ! -name '.' ! -name '..' -exec rm -frdv '{}' \;

Delete all files but keep all directories in a bash script?

I'm trying to do something which is probably very simple, I have a directory structure such as:
dir/
subdir1/
subdir2/
file1
file2
subsubdir1/
file3
I would like to run a command in a bash script that will delete all files recursively from dir on down, but leave all directories. Ie:
dir/
subdir1/
subdir2/
subsubdir1
What would be a suitable command for this?
find dir -type f -print0 | xargs -0 rm
find lists all files that match certain expression in a given directory, recursively. -type f matches regular files. -print0 is for printing out names using \0 as delimiter (as any other character, including \n, might be in a path name). xargs is for gathering the file names from standard input and putting them as a parameters. -0 is to make sure xargs will understand the \0 delimiter.
xargs is wise enough to call rm multiple times if the parameter list would get too big. So it is much better than trying to call sth. like rm $((find ...). Also it much faster than calling rm for each file by itself, like find ... -exec rm \{\}.
With GNU's find you can use the -delete action:
find dir -type f -delete
With standard find you can use -exec rm:
find dir -type f -exec rm {} +
find dir -type f -exec rm '{}' +
find dir -type f -exec rm {} \;
where dir is the top level of where you want to delete files from
Note that this will only delete regular files, not symlinks, not devices, etc. If you want to delete everything except directories, use
find dir -not -type d -exec rm {} \;

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