#!/usr/bin/perl -w
use strict;
use warnings;
use File::Find;
use Data::Dumper qw/ DumperX /;
use vars qw/ $TR $TREE $ROOT %DEMDIRS/;
die "YOU CANNOT use/require ".__FILE__ if caller();
$ROOT = shift @ARGV;
$TREE = $TR = ["$ROOT"];
&find( { wanted => \&build_tree,
preprocess => \&Pre,
postprocess => \&Post,
bydepth => 0, # don't override
,}
, $ROOT,
,);
print DumperX($TREE) if @ARGV > 1;
print "\n";
DumpTree($TREE);
exit;
sub Post {
$DEMDIRS{$File::Find::dir} = $TR;
# warn "post $File::Find::dir";
}
sub Pre {
my @it = sort { -d $b <=> -d $a } @_;
return @it;
}
sub build_tree {
if( $_ eq '.' or $_ eq '..') {
return;
}
if(-d) {
my $tTR = [$_];
if(exists $DEMDIRS{$File::Find::dir}) {
$TR = $DEMDIRS{$File::Find::dir};
}
$DEMDIRS{$File::Find::dir} = $TR;
push @$TR, $tTR;
$TR = $tTR;
return;
}
push @$TR, $_;
}
sub DumpTree {
my $ARRAY = shift or die "hello?";
my $DEPTH = shift || 0; # only 0 the first time
my $atWhat = shift || 0;
print shift(@$ARRAY), "\n" unless $DEPTH;
my $FILE_OR_REF;
while(defined($FILE_OR_REF = shift(@$ARRAY))) {
if(ref $FILE_OR_REF) {
if($DEPTH) {
print Depthy($DEPTH,$atWhat);
print "\n";
print Depthy($DEPTH, $atWhat);
} else {
print "\n";
}
print '+';
print '---';
print shift(@$FILE_OR_REF);
print "\n";
DumpTree($FILE_OR_REF, $DEPTH + 1, $atWhat + 1);
next;
} else {
if($DEPTH) {
print Depthy($DEPTH, $atWhat);
} else {
print '| ';
}
print $FILE_OR_REF;
print "\n";
}
}
}
sub Depthy {
my $depth = shift;
my $opy = shift || 0;
my $string;
for my $i (1..$depth) {
if($opy) {
$string .= '|';
$string .= ' ' x 3;
} else {
$string .= ' ' x 4;
}
}
return $string;
}
__END__
## READMORE FOLLOWS
F:\dev\File_Tree>perl tree.pl F:\dev\File_Tree
F:\dev\File_Tree
| tmon.out
| tree2.pl
| tree.pl
| tree2
| echo
| dumptree.pl
| tree.pl.bak
+---b
| file
|
| +---c
| | file
| |
| | +---d
| | | file
+---a
| aabcccfile
| file
| bbcccfile
|
| +---234
|
| +---b
| | bcccfile
| | FILE
| |
| | +---a
| | | FILE
| | |
| | | +---AAAAAADIRRRRRR
| | |
| | | +---DIRRRRRR
| | | | file
| | |
| | | +---b
| | | | FILE
| | | |
| | | | +---c
| | | | | FILE
| | | | |
| | | | | +---d
| | | | | | FILE
| | | | | |
| | | | | | +---f
| | | | | | | FILE
| |
| | +---b
| | | file
| | |
| | | +---c
| | | | file
| | | |
| | | | +---d
| | | | | file
| |
| | +---c
| | | cfile
| | | ccfile
| | | cccfile
| | |
| | | +---d
| | | | dfile
| | | |
| | | | +---e
| | | | | efile
+---echo0
+---File
| fily.txt
|
| +---Tree
| | Tree.pm
| | Makefile.PL
| | README
| | test.pl
| | Changes
| | MANIFEST
### I INVITE YOU TO MAKE THE OUTPUT LOOK MORE LIKE
### AND AN EXTRA ++ IF YOU DO IT WITHOUT BUILDING THE ARRAY :)
F:\dev\File_Tree>tree /a /f .
F:\DEV\FILE_TREE
| echo
| dumptree.pl
| tmon.out
| tree2.pl
| tree.pl
| tree2
| tree.pl.bak
|
+---File
| | fily.txt
| |
| \---Tree
| Tree.pm
| Makefile.PL
| README
| test.pl
| Changes
| MANIFEST
|
+---echo0
+---a
| | bbcccfile
| | aabcccfile
| | file
| |
| +---b
| | | bcccfile
| | | FILE
| | |
| | +---c
| | | | cfile
| | | | ccfile
| | | | cccfile
| | | |
| | | \---d
| | | | dfile
| | | |
| | | \---e
| | | efile
| | |
| | +---b
| | | | file
| | | |
| | | \---c
| | | | file
| | | |
| | | \---d
| | | file
| | |
| | \---a
| | | FILE
| | |
| | +---b
| | | | FILE
| | | |
| | | \---c
| | | | FILE
| | | |
| | | \---d
| | | | FILE
| | | |
| | | \---f
| | | FILE
| | |
| | +---DIRRRRRR
| | | file
| | |
| | \---AAAAAADIRRRRRR
| \---234
\---b
| file
|
\---c
| file
|
\---d
file
F:\dev\File_Tree>
|
