isutf8
checks whether files contain valid UTF-8 encoded text
TLDR
Check if file is valid UTF-8
$ isutf8 [file]
Check multiple files$ isutf8 [file1] [file2] [file3]
Quiet mode (exit code only)$ isutf8 -q [file]
List invalid files only$ isutf8 -l [files...]
SYNOPSIS
isutf8 [options] file...
DESCRIPTION
isutf8 checks whether files contain valid UTF-8 encoded text. Part of the moreutils package. Returns exit code 0 if valid UTF-8, 1 if invalid. Useful in scripts to validate file encoding before processing.
PARAMETERS
-q, --quiet
No output, only exit code.-l, --list
List files that are not valid UTF-8.-h, --help
Show help.