Are shells allowed to ignore NUL bytes in scripts?
The reason for this behavior is a bit complex… First, modern shells include a check for potentially binary files (that contain null bytes), … Read more
The reason for this behavior is a bit complex… First, modern shells include a check for potentially binary files (that contain null bytes), … Read more
You can write a simple tool to solve this problem. Read the file, find out the last valid byte(not null), then truncate the … Read more
So, is there a unix variant or unix inspired platform, (or a compiler if it is mostly up to the compiler?) which is … Read more
In bash and shells with similar array support you can do the following: # default is an empty array param=() # if $var … Read more
bash is not best suited to handle binary data directly. Either use the binary data with a file, either use the hexadecimal string … Read more
Single/double quotes vs. backslash: single quotes and backslashes are equivalent in quoting power. It’s a lot more convenient to use single quotes to … Read more
Send null byte in unix pipe
In Python, the ‘null’ object is the singleton None. To check if something is None, use the is identity operator: if foo is … Read more
If you don’t need it to have a specific limited size, you can just use /dev/zero directly. Technically it’s a character device, not … Read more
How do I check for an empty/undefined/null string in JavaScript?