Indent by 2 spaces throughout. Add example for copying password to clipboard on OS X.

README.md

@@ -28,6 +28,10 @@ Options can also be passed on the command line, e.g.,
 
 `./pwd.sh d dropbox` to delete the password called 'dropbox'.
 
+Combine with other programs by piping output, e.g.,
+
+`./pwd.sh r github | grep github | cut -f1 -d ' ' | pbcopy` to copy a password to clipboard on OS X.
+
 The script and `pwd.sh.safe` encrypted file can be safely shared between machines over public channels (Google Drive, Dropbox, etc).
 
 A sample `gpg.conf` configuration file is provided for your consideration.

pwd.sh

@@ -23,6 +23,7 @@ get_pass () {
 
   password=''
   prompt="${1}"
+
   while IFS= read -p "${prompt}" -r -s -n 1 char ; do
     if [[ ${char} == $'\0' ]] ; then
       break
@@ -57,7 +58,6 @@ decrypt () {
 encrypt () {
   # Encrypt with a password.
 
-
   ${gpg} \
     --symmetric --armor --batch --yes \
     --passphrase-fd 3 \