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Handling all file names safely in Bash

Posted 02-11-2012 at 01:09 PM by Nominal Animal
Updated 04-16-2012 at 03:41 AM by Nominal Animal (Fuller fixes.)
Tags bash, filename, nul

In Linux, each file or directory name (or more generally, pathname component) is just a string of bytes. It always ends with the C end-of-string mark, ASCII NUL: a zero. Value 47, ASCII /, is also reserved for use as a separator between pathnames.

Bash can read ASCII NUL separated data using read -d "" variable. It will, however, remove leading and trailing characters that match IFS, and return false (nonzero status) if the input does not have a final NUL. This applies to...
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