Allow for "0" as a word

diff --git a/lib/Text/ParseWords.pm b/lib/Text/ParseWords.pm
index 8995138..317597c 100644 (file)
--- a/lib/Text/ParseWords.pm
+++ b/lib/Text/ParseWords.pm
@@ -92,7 +92,7 @@ sub quotewords {
     local(@words,$snippet,$field,$_);
 
     $_ = join('', @lines);
-    while ($_) {
+    while (length($_)) {
        $field = '';
        for (;;) {
             $snippet = '';
@@ -111,11 +111,11 @@ sub quotewords {
                 $snippet = $1;
                 $snippet = "\\$snippet" if ($keep);
             }
-           elsif (!$_ || s/^$delim//) {
+           elsif (!length($_) || s/^$delim//) {
                last;
            }
            else {
-                while ($_ && !(/^$delim/ || /^['"\\]/)) {
+                while (length($_) && !(/^$delim/ || /^['"\\]/)) {
                   $snippet .=  substr($_, 0, 1);
                    substr($_, 0, 1) = '';
                 }