ls commands code example
Example 1: display all files in a directory linux
ls command list computer files in a directory in Unix OS with next structure:
ls [OPTION]... [FILE]...
Examples:
ls -l #display all files in current directory with (-l) long format.
ls -a /directory #display all hidden files in given directory that start with .Example 2: linux list
# syntax
# ls *<options> '*<file-dir>'
# example
ls -ltr './*.log'
# + --------- + -------------------------------------------------------+
# | OPTION | DESCRIPTION |
# + --------- + -------------------------------------------------------+
# | -a | list all files including hidden file starting with '.' |
# | --color | colored list [=always/never/auto] |
# | -d | list directories - with ' */' |
# | -F | add one char of */=>@| to enteries |
# | -i | list file's inode index number |
# | -l | list with long format - show permissions |
# | -la | list long format including hidden files |
# | -lh | list long format with readable file size |
# | -ls | list with long format with file size |
# | -r | list in reverse order |
# | -R | list recursively directory tree |
# | -s | list file size |
# | -S | sort by file size |
# | -t | sort by time & date |
# | -X | sort by extension name |
# + --------- + -------------------------------------------------------+Example 3: list all files in a directory and subdirectory linux
find . -type f -follow -printExample 4: how to use the ls -l command in python
from subprocess import Popen, PIPE def listdir_shell(path, *lsargs): p = Popen(('ls', path) + lsargs, shell=False, stdout=PIPE, close_fds=True) return [path.rstrip('\n') for path in p.stdout.readlines()] dirlist = listdir_shell('/var/log', '-t')[:10] from pprint import pprint pprint(dirlist)