docs: update

README.md

@@ -23,6 +23,8 @@ pash
     * [How does this differ from `pass` or etc?](#how-does-this-differ-from-pass-or-etc)
     * [Where are passwords stored?](#where-are-passwords-stored)
     * [How can I use a public key?](#how-can-i-use-a-public-key)
+    * [How do I set the password length?](#how-do-i-set-the-password-length)
+    * [How do I change the password store location?](#how-do-i-change-the-password-store-location)
 
 <!-- vim-markdown-toc -->
 
@@ -74,8 +76,38 @@ Set the environment variable `PASH_KEYID` to the ID of the key you'd like to enc
 Example:
 
 ```sh
+# Default: 'unset'.
 export PASH_KEYID=XXXXXXXX
 
 # This can also be an email.
 export PASH_KEYID=dylan.araps@gmail.com
+
+# This can also be used as a one-off.
+PASH_KEYID=XXXXXXXX pash add github
+```
+
+### How do I set the password length?
+
+Set the environment variable `PASH_LENGTH` to a valid integer.
+
+Example:
+
+```sh
+# Default: '50'.
+export PASH_LENGTH=50
+
+# This can also be used as a one-off.
+PASH_LENGTH=10 pash add github
+```
+
+### How do I change the password store location?
+
+Set the environment variable `PASH_DIR` to a directory.
+
+```sh
+# Default: '~/.local/share/pash'.
+export PASH_DIR=~/.local/share/pash
+
+# This can also be used as a one-off.
+PASH_DIR=/mnt/drive/pash pash list
 ```

pash

@@ -7,8 +7,8 @@ pw_add() {
 
     case $REPLY in
         [yY])
-            pass=$("${gpg[0]}" --armor --gen-random 0 50)
-            pass=${pass:0:50}
+            pass=$("${gpg[0]}" --armor --gen-random 0 "${PASH_LENGTH:-50}")
+            pass=${pass:0:${PASH_LENGTH:-50}}
         ;;
 
         *)  read -rsp "Enter password: " pass ;;
@@ -87,6 +87,8 @@ pash 1.0.0 - simple password manager.
 => [s]how [name] - Show password for an entry.
 
 Using a key pair: export PASH_KEYID=XXXXXXXX
+Password length:  export PASH_LENGTH=50
+Store location:   export PASH_DIR=~/.local/share/pash
 "
 exit 1
 }
@@ -98,10 +100,10 @@ main() {
     mapfile -t gpg < <(type -p gpg gpg2) && [[ ! -x ${gpg[0]} ]] &&
         die "GPG not found."
 
-    mkdir -p "${pass_dir:=${XDG_DATA_HOME:=$HOME/.local/share}/pash}" ||
+    mkdir -p "${PASH_DIR:=${XDG_DATA_HOME:=$HOME/.local/share}/pash}" ||
         die "Couldn't create password directory."
 
-    cd "$pass_dir" ||
+    cd "$PASH_DIR" ||
         die "Can't access password directory."
 
     [[ $1 == [acds]* && -z $2 ]] &&