mirror of
https://github.com/linux-can/can-utils.git
synced 2026-09-22 08:06:34 +02:00
Oleksij Rempel
939e4d7e8c
Before more contributions will come, change the license and make this project usable as a library. Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
25 lines
649 B
Bash
Executable File
25 lines
649 B
Bash
Executable File
#!/bin/bash
|
|
# SPDX-License-Identifier: LGPL-2.0-only
|
|
# SPDX-FileCopyrightText: 2023 Oleksij Rempel <linux@rempel-privat.de>
|
|
|
|
# Arguments: path to the file and the file size
|
|
FILEPATH=$1
|
|
FILESIZE=$2
|
|
|
|
# Variable to store the increasing number
|
|
counter=0
|
|
|
|
# XOR pattern (change this to whatever you like)
|
|
pattern=0xdeadbeef
|
|
|
|
# Calculate the number of iterations needed
|
|
let iterations=$FILESIZE/4
|
|
|
|
# Use 'dd' command to generate the file with increasing numbers
|
|
for ((i=0; i<$iterations; i++)); do
|
|
# Print the 32-bit number in binary format to the file
|
|
printf "%08x" $((counter ^ pattern)) | xxd -r -p >> $FILEPATH
|
|
let counter=counter+1
|
|
done
|
|
|