4sports/bin/padto.sh
2022-08-22 22:04:55 -04:00

6 lines
158 B
Bash
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#!/bin/bash
# zero-pads $1 to a multiple of 512 bytes, in place
dd if=/dev/null of="$1" bs=1 count=1 seek="$((($(wc -c < "$1") + 511) & -512))" 2>/dev/null