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-rw-r--r--lib/File/Find.pm3
-rw-r--r--x2p/find2perl.PL38
2 files changed, 29 insertions, 12 deletions
diff --git a/lib/File/Find.pm b/lib/File/Find.pm
index 9963d8198b..42905dec80 100644
--- a/lib/File/Find.pm
+++ b/lib/File/Find.pm
@@ -309,6 +309,8 @@ sub _find_opt {
$top_item =~ s|/$|| unless $top_item eq '/';
$Is_Dir= 0;
+ ($topdev,$topino,$topmode,$topnlink) = stat $top_item;
+
if ($follow) {
if (substr($top_item,0,1) eq '/') {
$abs_dir = $top_item;
@@ -331,7 +333,6 @@ sub _find_opt {
}
else { # no follow
$topdir = $top_item;
- ($topdev,$topino,$topmode,$topnlink) = lstat $top_item;
unless (defined $topnlink) {
warn "Can't stat $top_item: $!\n";
next Proc_Top_Item;
diff --git a/x2p/find2perl.PL b/x2p/find2perl.PL
index da94dc9eab..99bb3afabb 100644
--- a/x2p/find2perl.PL
+++ b/x2p/find2perl.PL
@@ -50,6 +50,8 @@ my $startperl = "#! $perlpath -w";
#
# Modified 1999-06-10, 1999-07-07 to migrate to cleaner perl5 usage
# Ken Pizzini <ken@halcyon.com>
+#
+# Modified 2000-01-28 to use the 'follow' option of File::Find
my @roots = ();
while ($ARGV[0] =~ /^[^-!(]/) {
@@ -68,6 +70,7 @@ my $initfile = '';
my $initnewer = '';
my $out = '';
my %init = ();
+my ($follow_in_effect,$Skip_And) = (0,0);
while (@ARGV) {
$_ = shift;
@@ -80,10 +83,9 @@ while (@ARGV) {
--$indent_depth;
$out .= &tab . ")";
} elsif ($_ eq 'follow') {
+ $follow_in_effect= 1;
$stat = 'stat';
- $decl = "\nmy %already_seen = ();\n";
- $out .= &tab . '(not $already_seen{"$dev,$ino"}) &&' . "\n";
- $out .= &tab . '(($already_seen{"$dev,$ino"} = !(-d _)) || 1)';
+ $Skip_And= 1;
} elsif ($_ eq '!') {
$out .= &tab . "!";
next;
@@ -235,7 +237,7 @@ while (@ARGV) {
$init{saw_or} = 1;
shift;
} else {
- $out .= " &&" unless $ARGV[0] eq ')';
+ $out .= " &&" unless $Skip_And || $ARGV[0] eq ')';
$out .= "\n";
shift if $ARGV[0] eq '-a';
}
@@ -301,10 +303,12 @@ if (exists $init{declarestat}) {
END
}
+if ( $follow_in_effect ) {
+$out =~ s/lstat\(\$_\)/lstat(_)/;
print <<"END";
$decl
# Traverse desired filesystems
-File::Find::$find(\\&wanted, $roots);
+File::Find::$find( {wanted => \\&wanted, follow => 1}, $roots);
$flushall
sub wanted {
@@ -312,7 +316,19 @@ $out;
}
END
+} else {
+print <<"END";
+$decl
+# Traverse desired filesystems
+File::Find::$find({wanted => \\&wanted}, $roots);
+$flushall
+sub wanted {
+$out;
+}
+
+END
+}
if (exists $init{doexec}) {
print <<'END';
@@ -709,7 +725,12 @@ not evaluated if PREDICATE1 is true.
=item C<-follow>
-Follow (dereference) symlinks. [XXX doesn't work fully, see L<BUGS>]
+Follow (dereference) symlinks. The checking of file attributes depends
+on the position of the C<-follow> option. If it precedes the file
+check option, an C<stat> is done which means the file check applies to the
+file the symbolic link is pointing to. If C<-follow> option follows the
+file check option, this now applies to the symbolic link itself, i.e.
+an C<lstat> is done.
=item C<-depth>
@@ -852,11 +873,6 @@ Predicates which take a numeric argument N can come in three forms:
* N is prefixed with a -: match values less than N
* N is not prefixed with either + or -: match only values equal to N
-=head1 BUGS
-
-The -follow option doesn't really work yet, because File::Find doesn't
-support following symlinks.
-
=head1 SEE ALSO
find