4cade/bin/padto.sh

6 lines
158 B
Bash
Raw Normal View History

#!/bin/bash
2021-10-27 04:46:25 +00:00
# zero-pads $1 to a multiple of 512 bytes, in place
2021-10-27 04:46:25 +00:00
dd if=/dev/null of="$1" bs=1 count=1 seek="$((($(wc -c < "$1") + 511) & -512))" 2>/dev/null