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
null
Remove null bytes from the end of a large file
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
Are there “esoteric” (weird) but standards-compliant C compilers or runtimes?
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
How to prevent word splitting without preventing empty string removal?
In bash and shells with similar array support you can do the following: # default is an empty array param=() # if $var … Read more
Using binary data as a parameter in bash – any way to allow nuls?
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
Using/reading/writing the null and escape characters
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
Send null byte in unix pipe
Null object in Python
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
Create virtual block device which writes to /dev/null
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?
How do I check for an empty/undefined/null string in JavaScript?
