aliases: Add password generator "aliases"

Implemented with Bash functions, saved in ".aliases" dir, cause it all
gets sourced the same (and I am lazy)

.aliases/passwords.bash

@@ -0,0 +1,14 @@
+: '
+  *  A file with some password-creation/management "aliases"
+  '
+
+_tmkpasswd() {
+  [ -n "$1" ] && local passlen=$1 || local passlen=20
+  echo $(cat /dev/"$2"random | strings | head -c 512 | grep -oE '[a-zA-Z0-9#@$%!]')\
+    | sed 's/\s//g' | head -c $passlen
+}
+
+tmkpasswd() {
+  [ $(command -v wl-copy) ] && _tmkpasswd $@ | wl-copy || \
+    ( _tmkpasswd $@ && echo )
+}