This is the command fc-validate that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
NAME
fc-validate - validate font files
SYNOPSIS
fc-validate [ -Vhv ]
[ [ -i index ] [ --index index ] ] [ [ -l lang ] [ --lang lang ] ] [ --verbose ]
[ --version ] [ --help ] font-file...
DESCRIPTION
fc-validate validates font-file(s) if each fonts satisfies the language coverage according
to the orthography files in fontconfig. If --index is given, only one face of each file
is validated, otherwise all faces are validated.
OPTIONS
This program follows the usual GNU command line syntax, with long options starting with
two dashes (`-'). A summary of options is included below.
-i Only query face indexed index of each file.
-l Set lang as a language instead of current locale. this is used for -m.
-v Show more detailed information.
-V Show version of the program and exit.
-h Show summary of options.
font-file
Query font-file for font faces.
RETURN CODES
fc-validate returns error code 0 for successful parsing, or 1 if any errors occured or if
at least one font face could not be opened.
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