.\" -*- mode: troff; coding: utf-8 -*- .\" Automatically generated by Pod::Man 5.01 (Pod::Simple 3.43) .\" .\" Standard preamble: .\" ======================================================================== .de Sp \" Vertical space (when we can't use .PP) .if t .sp .5v .if n .sp .. .de Vb \" Begin verbatim text .ft CW .nf .ne \\$1 .. .de Ve \" End verbatim text .ft R .fi .. .\" \*(C` and \*(C' are quotes in nroff, nothing in troff, for use with C<>. .ie n \{\ . ds C` "" . ds C' "" 'br\} .el\{\ . ds C` . ds C' 'br\} .\" .\" Escape single quotes in literal strings from groff's Unicode transform. .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" .\" If the F register is >0, we'll generate index entries on stderr for .\" titles (.TH), headers (.SH), subsections (.SS), items (.Ip), and index .\" entries marked with X<> in POD. Of course, you'll have to process the .\" output yourself in some meaningful fashion. .\" .\" Avoid warning from groff about undefined register 'F'. .de IX .. .nr rF 0 .if \n(.g .if rF .nr rF 1 .if (\n(rF:(\n(.g==0)) \{\ . if \nF \{\ . de IX . tm Index:\\$1\t\\n%\t"\\$2" .. . if !\nF==2 \{\ . nr % 0 . nr F 2 . \} . \} .\} .rr rF .\" ======================================================================== .\" .IX Title "DirHandle 3perl" .TH DirHandle 3perl 2024-04-27 "perl v5.38.2" "Perl Programmers Reference Guide" .\" For nroff, turn off justification. Always turn off hyphenation; it makes .\" way too many mistakes in technical documents. .if n .ad l .nh .SH NAME DirHandle \- (obsolete) supply object methods for directory handles .SH SYNOPSIS .IX Header "SYNOPSIS" .Vb 6 \& # recommended approach since Perl 5.6: do not use DirHandle \& if (opendir my $d, \*(Aq.\*(Aq) { \& while (readdir $d) { something($_); } \& rewind $d; \& while (readdir $d) { something_else($_); } \& } \& \& # how you would use this module if you were going to \& use DirHandle; \& if (my $d = DirHandle\->new(".")) { \& while (defined($_ = $d\->read)) { something($_); } \& $d\->rewind; \& while (defined($_ = $d\->read)) { something_else($_); } \& } .Ve .SH DESCRIPTION .IX Header "DESCRIPTION" \&\fBThere is no reason to use this module nowadays.\fR .PP The \f(CW\*(C`DirHandle\*(C'\fR method provide an alternative interface to the \&\fBopendir()\fR, \fBclosedir()\fR, \fBreaddir()\fR, and \fBrewinddir()\fR functions. .PP Up to Perl 5.5, \fBopendir()\fR could not autovivify a directory handle from \&\f(CW\*(C`undef\*(C'\fR, so using a lexical handle required using a function from Symbol to create an anonymous glob, which took a separate step. \&\f(CW\*(C`DirHandle\*(C'\fR encapsulates this, which allowed cleaner code than \fBopendir()\fR. Since Perl 5.6, \fBopendir()\fR alone has been all you need for lexical handles.