louischan · April 26, 2019 17:19
diff --git a/rand.sh b/rand.sh
 #!/bin/bash

 openssl rand -base64 "${2:-50}" | tr -cd "[:${1:-digit}:]"; echo

 # Usage examples:
 # rand [digit | alpha | alnum] [num_bytes]
 # $ rand
 # $ rand alnum
 # $ rand digit 200
	#!/bin/bash

	openssl rand -base64 "${2:-50}" \| tr -cd "[:${1:-digit}:]"; echo

	# Usage examples:
	# rand [digit \| alpha \| alnum] [num_bytes]
	# $ rand
	# $ rand alnum
	# $ rand digit 200