count files by type

ls | tr [:upper:] [:lower:] | grep -oP '\.[^\.]+$' | sort | uniq -c | sort
displays a list of all file extensions in current directory and how many files there are of each type of extension in ascending order (case insensitive)
Sample Output
      1 .md5
      1 .pub
      1 .pxd
      1 .rtf
      1 .sql
      1 .vsd
      2 .csv
      2 .lnk
      3 .7z
      3 .msg
      3 .xls
      3 .xlsm
      3 .zip
      4 .doc
      5 .htm
      5 .pptx
      5 .xps
      9 .txt
     13 .jpg
     16 .png
     19 .xlsx
     23 .docx
     48 .pdf

By: icefyre
2014-01-30 11:37:27

What Others Think

Nice. Good use of tr. But to be correctly sorted by number you need to change the second "sort" to "sort -n" or "sort -nr" (reverse order). Otherwise, you'll get 1, 10, 100, 2, etc
flatcap · 347 weeks and 1 day ago
You can drop 'tr' if you use 'uniq -ic'.
joedhon · 346 weeks and 1 day ago
And you can drop the first 'sort' if you use 'ls -X'
joedhon · 346 weeks and 1 day ago

What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

You must be signed in to comment.

What's this? is the place to record those command-line gems that you return to again and again. That way others can gain from your CLI wisdom and you from theirs too. All commands can be commented on, discussed and voted up or down.

Share Your Commands

Stay in the loop…

Follow the Tweets.

Every new command is wrapped in a tweet and posted to Twitter. Following the stream is a great way of staying abreast of the latest commands. For the more discerning, there are Twitter accounts for commands that get a minimum of 3 and 10 votes - that way only the great commands get tweeted.


Subscribe to the feeds.

Use your favourite RSS aggregator to stay in touch with the latest commands. There are feeds mirroring the 3 Twitter streams as well as for virtually every other subset (users, tags, functions,…):

Subscribe to the feed for: