NAME
    Check::Term::Color - Check terminal color functionality.

SYNOPSIS
     use Check::Term::Color qw(check_term_color);

     my $ret = check_term_color($env_hr);

DESCRIPTION
    This check test environment variables and returns value which define
    situation about color output in terminal.

    See <https://no-color.org/> for more information about $ENV{'NO_COLOR'}
    environment variable.

    Usage of $ENV{'COLOR'} environment variable is related to GNU "--color"
    option. See grep(1).

SUBROUTINES
  "check_term_color"
     my $ret = check_term_color($env_hr);

    Check color terminal setting.

    Variable $env_hr is primarily for testing and default is "\%ENV".

    Soubroutine is checking $ENV{'COLOR'} and $ENV{'NO_COLOR'} variables.

    Returns 0/1.

EXAMPLE
     use strict;
     use warnings;

     use Check::Term::Color qw(check_term_color);

     if (check_term_color()) {
             print "We could write color output to terminal.\n";
     } else {
             print "We couldn't write color output to terminal.\n";
     }

     # Output with $ENV{'COLOR'} = 'always' set:
     # We could write color output to terminal.
 
     # Output with $ENV{'COLOR'} = 'never' set:
     # We couldn't write color output to terminal.

     # Output with $ENV{'COLOR'} = '1' set:
     # We could write color output to terminal.

     # Output with $ENV{'NO_COLOR'} = '1' set:
     # We couldn't write color output to terminal.

     # Output with $ENV{'NO_COLOR'} = 'foo' set:
     # We couldn't write color output to terminal.

DEPENDENCIES
    Exporter, Readonly.

REPOSITORY
    <https://github.com/michal-josef-spacek/Check-Term-Color>

AUTHOR
    Michal Josef Špaček <mailto:skim@cpan.org>

    <http://skim.cz>

LICENSE AND COPYRIGHT
    © 2026 Michal Josef Špaček

    BSD 2-Clause License

VERSION
    0.01