return $out || " \n";
}
+sub build_fish_env_declaration {
+ my ($class, $name, $args) = @_;
+ my $value = $class->_interpolate($args, '"%s"', '"', '\\%s');
+ if (!defined $value) {
+ return qq{set -e $name;\n};
+ }
+ $value =~ s/$_path_sep/ /;
+ qq{set -x $name $value;\n};
+}
+
sub _interpolate {
my ($class, $args, $var_pat, $escape, $escape_pat) = @_;
return