22 lines
421 B
Bash
22 lines
421 B
Bash
|
# Generate random string.
|
||
|
|
# Usage: random <LENGTH>
|
||
|
|
function random() {
|
||
|
|
local length="${1}"
|
||
|
|
if [[ ${length} == "" ]]; then
|
||
|
|
help random
|
||
|
|
return 2
|
||
|
|
fi
|
||
|
|
head /dev/urandom | tr -dc A-Za-z0-9 | head -c${length}
|
||
|
|
}
|
||
|
|
|
||
|
|
# Picks a random file or directory.
|
||
|
|
function random_file() {
|
||
|
|
local IFS=$'\n'
|
||
|
|
local dirs=($(ls))
|
||
|
|
local total=${#dirs[@]}
|
||
|
|
((total--))
|
||
|
|
local index=$(shuf -i 0-${total} -n 1)
|
||
|
|
|
||
|
|
printf "%s" ${dirs[$index]}
|
||
|
|
}
|