Obtain file permissions in linux

In linux, how does one obtain file or folder permissions? Www.2cto. comls-ld/home/| awk & amp; #39; {print $1} & amp; #39; | sed & amp; #39; s/^ [a-zA-Z-] // & amp; #39; rwxr-xr-x [root @ localhostarray_study] # e
In linux, how does one obtain file or folder permissions? Www.2cto.com ls-ld/home/| awk '{print $1}' | sed's/^ [a-zA-Z-] // 'rwxr-xr-x [root @ localhost array_study] # echo "obase = 8; ibase = 2; 'ls-ld/home/| awk' {print $1} '| sed's/^ [a-zA-Z-] //' | tr 'X | r | w''1' | tr'-''0'' "| bc755 can also be encapsulated as a function: script name: power01.sh content: Shell code #! /Bin/sh power () {file_name = "$1" $ command_l if [-d "$ file_name"]; then command_l = "ls-ld" else command_l = "ls-l" fi echo "obase = 8; ibase = 2; '$ command_l "$ file_name" | awk' {print $1} '| sed's/^ [a-zA-Z-] //' | tr 'X | r | w''1' | tr'-''0'' "| bc} power" $1 "[root @ localhost power_study] # sh power01.sh/home/whuang/700 [root @ localhost power_study] # ll-d/home/whuang/drwx ------ 53 whuang 4096 11-29/home/whuang/