Migrate pwgen.py to bash

bash/sources/12_shortcuts

@@ -17,3 +17,17 @@ function kres {
 		kubectl get $1 -A $_O | grep "$_D*$2$_D*\s\+$_D*$3$_D*"
 	fi
 }
+
+function pwgen {
+	local _LEN=$1
+	case $_LEN in
+		''|*[!0-9]*)
+			echo "Enter a valid number" > /dev/stderr
+			return 1
+			;;
+	esac
+	LC_ALL=C tr -dc '[:graph:]' </dev/urandom | head -c $_LEN
+	if [ -t 1 ]; then
+		echo
+	fi
+}

python/pwgen.py

@@ -1,32 +0,0 @@
-#!/usr/bin/env python3
-
-import string;
-import random;
-
-import os;
-import sys;
- 
-
-if len(sys.argv) < 2:
-    sys.exit('Usage: ' + os.path.basename(__file__) + ' length');
-
-l = sys.argv[1];
-
-if not l.isdigit():
-    sys.exit('"' + l + '" is not a valid length.');
-
-# cast l into intergers
-l = int(l);
-
-# define the character set
-charSet = string.ascii_letters + string.digits;
-
-# generate stack
-out_stack = ''.join(random.choice(charSet) for x in range(l));
-
-# Am I being piped?
-if sys.stdout.isatty():
-    print(out_stack);
-else:
-    sys.stdout.write(out_stack);
-