Contents
- 1 How to recursively count files in a directory?
- 2 How to count the number of files in a folder?
- 3 Is it possible to overcount files in a directory?
- 4 How to count the number of files in a Linux Directory?
- 5 How to list specific type of files in recursive directories in shell?
- 6 How to find file types in a directory?
How to recursively count files in a directory?
A common use case might be for creating rollover backups of a file. This will create logfile.1, logfile.2, logfile.3 etc. To get the count of files recursively we can still use find in the same way. I have written ffcnt to speed up recursive file counting under specific circumstances: rotational disks and filesystems that support extent mapping.
How to count the number of files in a folder?
Benchmark: I used https://archive.org/details/cv_corpus_v1.tar (380390 files, 11 GB) as the folder where one has to count the number of files. If what you need is to count a specific file type recursively, you can do: -l is just to display the number of lines in the output.
How to count the number of files in a Dir?
If you want a breakdown of how many files are in each dir under your current dir: That can go all on one line, of course. The parenthesis clarify whose output wc -l is supposed to be watching ( find $i -type f in this case). On my computer, rsync is a little bit faster than find | wc -l in the accepted answer:
Is it possible to overcount files in a directory?
You can also remove the -type f to include directories (and symlinks) in the count. It’s possible this command will overcount if filenames can contain newline characters.
How to count the number of files in a Linux Directory?
This will work in GNU flavour, and just omit the -e from the echo command for BSD linux (e.g. OSX). You can use the command ncdu. It will recursively count how many files a Linux directory contains. Here is an example of output:
How to find the number of directories in a directory?
This will find the number of non-hidden directories in the current working directory: To make this recursive, use the -R option to ls -l: echo $ ( ($ (find -type d | wc -l) – 1)) is one way (subtract 1 from the wc -l to remove the current dir).
Here is the command i made that counts the extensions of all files in the working directory recursively. This takes into account UPPER, and LOWER cases, merging them, removing false positive results, and counting the occurrences. Here is the github link if you’d like to see more documentation.
How to list specific type of files in recursive directories in shell?
If you are more confortable with “ls” and “grep”, you can do what you want using a regular expression in the grep command (the ending ‘$’ character indicates that .doc must be at the end of the line. That will exclude “file.doc.txt”):
How to find file types in a directory?
This one-liner seems to be a fairly robust method: The find . -type f -printf ‘%f ‘ prints the basename of every regular file in the tree, with no directories. That eliminates having to worry about directories which may have . ‘s in them in your sed regex. The sed -r -n ‘s/.+ (\\..*)$/\\1/p’ replaces the incoming filename with only its extension.
How to find all file extensions recursively in Bash?
$NF is the last field, separated by periods. !seen [$NF]++ evaluates to true the first time an extension is encountered, and false every other time it is encountered. print $NF prints the extension.