OS: Linux
Skill Level: Beginner
Prerequisites: Basic Linux CLI and regular expression understanding

Intro:

When a folder only has a few items in it this trick is not that important, but let say the folder you are looking at has 754,586 files in it? Here is a quick trick to get an accurate count of the items in a folder.

Example Folder Listing:

-rwxr-xr-x. 1 vesc vesc 1465 Apr 14 2014 backup.py  
drwxrwxr-x. 7 vesc vesc 4096 May 1 23:13 Code  
drwxrwxr-x. 2 vesc vesc 4096 Apr 12 2014 Downloads
-rwxrwxr. 1 vesc vesc 1279 Aug 17 07:19 ipcheck.py  
-rw-rw-r. 1 vesc vesc 16 Oct 10 04:20 ip.dat  
-rw-rw-r. 1 vesc vesc 6045 Aug 16 08:51 movielist.txt  
-rw-. 1 root root 294944 Apr 26 18:31 text.out  
-rwxr-xr-x. 1 vesc vesc 529276 Apr 8 2014 slowhttptest  
drwxrwxr-x. 2 vesc vesc 4096 Jan 2 2014 somefile

Total items in folder:

ls -1 | wc -l

[[email protected] ~\]$ ls -1 | wc -l  
9

Number of files in the folder:

ls -l | grep ^- | wc -l

[[email protected] ~\]$ ls -l | grep ^- | wc -l    
6

Number of sub-folders in the folder:

ls -l | grep ^d | wc -l

[vesc\@indigofs ~\]$ ls -l | grep ^d | wc -l  
3