Improve warnings about known issues in (?{...}) blocks in the regex engine

[perl5.git] / lib / importenv.pl

diff --git a/lib/importenv.pl b/lib/importenv.pl
index db3128b..75274c2 100644 (file)
--- a/lib/importenv.pl
+++ b/lib/importenv.pl
@@ -1,4 +1,11 @@
-;# $Header: importenv.pl,v 3.0.1.1 90/08/09 03:56:38 lwall Locked $
+# This library is no longer being maintained, and is included for backward
+# compatibility with Perl 4 programs which may require it.
+# This legacy library is deprecated and will be removed in a future
+# release of perl.
+
+warn( "The 'importenv.pl' legacy library is deprecated and will be"
+      . " removed in the next major release of perl. Please use the"
+      . " Env::Export module (or similar) from CPAN instead." );
 
 ;# This file, when interpreted, pulls the environment into normal variables.
 ;# Usage:
@@ -8,7 +15,7 @@
 
 local($tmp,$key) = '';
 
-foreach $key (keys(ENV)) {
+foreach $key (keys(%ENV)) {
     $tmp .= "\$$key = \$ENV{'$key'};" if $key =~ /^[A-Za-z]\w*$/;
 }
 eval $tmp;