File Coverage

blib/lib/Data/Unixish/ltrim.pm

Criterion	Covered	Total	%
statement	24	24	100.0
branch	4	4	100.0
condition	2	3	66.6
subroutine	7	7	100.0
pod	1	1	100.0
total	38	39	97.4

package Data::Unixish::ltrim;

use 5.010;
use strict;
use syntax 'each_on_array'; # to support perl < 5.12
use warnings;
#use Log::Any '$log';

use Data::Unixish::Util qw(%common_args);

our $VERSION = '1.571'; # VERSION

our %SPEC;

$SPEC{ltrim} = {
    v => 1.1,
    summary => 'Strip whitespace at the beginning of each line of text',
    description => <<'_',

_
    args => {
        %common_args,
        strip_newline => {
            summary => 'Whether to strip newlines at the beginning of text',
            schema =>[bool => {default=>0}],
            cmdline_aliases => { nl=>{} },
        },
    },
    tags => [qw/text itemfunc/],
};
sub ltrim {
    my %args = @_;
    my ($in, $out) = ($args{in}, $args{out});

    while (my ($index, $item) = each @$in) {
        push @$out, _ltrim_item($item, \%args);
    }

    [200, "OK"];
}

sub _ltrim_item {
    my ($item, $args) = @_;

    if (defined($item) && !ref($item)) {
        $item =~ s/\A[\r\n]+// if $args->{strip_newline};
        $item =~ s/^[ \t]+//mg;
    }
    return $item;
}

1;
# ABSTRACT: Strip whitespace at the beginning of each line of text

__END__