New American Standard Bible (©1995)
When the jailer awoke and saw the prison doors opened, he drew his sword and was about to kill himself, supposing that the prisoners had escaped.
King James Bible
And the keeper of the prison awaking out of his sleep, and seeing the prison doors open, he drew out his sword, and would have killed himself, supposing that the prisoners had been fled.
Darby Bible Translation
And the jailor being awakened out of his sleep, and seeing the doors of the prison opened, having drawn a sword was going to kill himself, thinking the prisoners had fled.
English Revised Version
And the jailor being roused out of sleep, and seeing the prison doors open, drew his sword, and was about to kill himself, supposing that the prisoners had escaped.
Online Parallel Bible