How to list all directories and files in a shell?

How to list all directories and files in a shell?

Suppose the directory structure on the file system is like this: The output from the script must be like: Could you tell me how to keep the output of find . -type d and find . -type f into another file? to list all files (and no directories): redirect the output to a file: gives files from current working directory.

How to do something in subdirectories in Unix?

Do something in directories, sent output to a spool file and move on to next directory. Consider Main Dir = /tmp Sub Dir = A B C D (Four sub directories) It searches only the subdirectories of the directory /path/to/dir. Note that the simple example above will fail if the directory names contain whitespace or special characters.

How to traverse all subdirectories in Bash shell?

Although doubtless this can be done in Bash shell scripting, in the old days we used find [-maxdepth ] -exec ; to achieve this. You could do a man find and play around, perhaps until someone tells you how to do it in bash!

How to recursively execute batch commands in shell?

You use FOR /R to recursively execute batch commands. Check out this batch file. @echo off SETLOCAL EnableDelayedExpansion SET N=0 for /R %%i in (.) do ( SET DIR=%%i ::put anything here, for instance the following code add dir numbers.

How to remove all files and directories in Bash?

I am trying to write a very simple Bash shell script that will cd in a specific directory, it will remove all files and directories except some few selected ones and then cd back to the original dir. I have tried many different ways to write the symbols ‘ (‘ and ‘|’, with single or double quotes or backslash but nothing worked.

How to create a directory recursive shell script?

Your script is not recursive, as it does not call itself. Here is a variation that implements something like what you have recursively: The function walk_dir takes a directory pathname as its only argument and iterates over its content. If a directory is found, it calls itself recursively to traverse that sub-directory.

How to list all files in a directory in grep?

You can also do an or in grep (but really, you should not parse the output of ls) With bash extended globbing (turn on with shopt -s extglob ), the glob ! (*.txt|*.pdf) should work. You can pass this glob directly to any command that takes file arguments, including but not limited to ls.

How to get all files in a folder in PowerShell?

You can get all items directly within a folder by using Get-ChildItem. Add the optional Force parameter to display hidden or system items. For example, this command displays the direct contents of Windows PowerShell Drive C (which is the same as the Windows physical drive C): PowerShell. Get-ChildItem -Path C: -Force.

Where do I put a list of computers in PowerShell?

For example, you might store a list of computer names or IP addresses in a file C: emp\\domainMembers.txt, with one name on each line of the file. You can use Get-Content to retrieve the file contents and put them in the variable $Computers:

How to burrow down into a directory structure?

If I need to burrow down into a directory structure, I need to use the recurse parameter. If I go back to my previous command from the root of the C:\\ drive, and I add the recurse switch, it will return every single file on the entire computer hard disk drive, and will therefore take a bit of time.