update dotfiles

zsh/.zsh_aliases

@@ -148,3 +148,14 @@ git_push() {
 }
 
 alias gpush="git_push"
+
+passgen() {
+    length=${1:-"12"}
+    if [[ "$length" == <-> ]]; then
+        echo $(cat /dev/urandom| base64 | head -c "$length")
+    else
+        echo "passgen() takes a positive integer as first argument"
+        echo "got $length"
+        return 1
+    fi
+}