OS X security sample.

osx_security_sample.sh

SERVICE_NAME='service_foo'
ACCOUNT_NAME='account_bar'
PASSWORD_VALUE='password_bar'

security delete-generic-password -s "$SERVICE_NAME" -a "$ACCOUNT_NAME" &> /dev/null

# Add a generic password item to the default keychain without warning.

security add-generic-password -s "$SERVICE_NAME" -a "$ACCOUNT_NAME" -w "$PASSWORD_VALUE"
if test $? -ne 0; then
 echo 'Add password error!'; exit 1; fi

# Find a generic password item and display the password(only) for the item found.

PASSWORD_ACTUAL=$(security find-generic-password -s "$SERVICE_NAME" -a "$ACCOUNT_NAME" -w)
if test $? -ne 0; then
 echo 'Find password error!'; exit 1; fi
if test "$PASSWORD_ACTUAL" != "$PASSWORD_VALUE"; then
 echo 'Password error!'; exit 1; fi

echo 'Password as expected.'

exit 0