/vidir (656ce4feb1d4aff82adb122c4923c1d9d8f94e5e) (4878 bytes) (mode 100755) (type blob)
#!/usr/bin/perl
=head1 NAME
vidir - edit directories and filenames
=head1 SYNOPSIS
B<vidir> [B<--verbose>] [I<directory>|I<file>|B<->]...
=head1 DESCRIPTION
B<vidir> allows editing of directories and filenames in a text editor. If no
I<directory> is specified, the filenames of the current directory are edited.
When editing a directory, each item in the directory will appear on its own
numbered line. These numbers are how vidir keeps track of what items are
changed. Delete lines to remove files from the directory, or
edit filenames to rename files. You can also switch pairs of numbers to
swap filenames.
Filenames to be edited may be given any combination of I<directory>s (which
will be expanded to the non-recursive list of all files within I<directory>),
I<file>s, or I<->. If the latter is specified, B<vidir> reads a list of
filenames from stdin and displays those for editing.
=head1 OPTIONS
=over 4
=item -v, --verbose
Verbosely display the actions taken by the program.
=back
=head1 EXAMPLES
=over 4
=item vidir
=item vidir *.jpeg
Typical uses.
=item find | vidir -
Edit subdirectory contents too. To delete subdirectories,
delete all their contents and the subdirectory itself in the editor.
=item find -type f | vidir -
Edit all files under the current directory and subdirectories.
=back
=head1 ENVIRONMENT VARIABLES
=over 4
=item EDITOR
Editor to use.
=item VISUAL
Also supported to determine what editor to use.
=back
=head1 AUTHOR
Copyright 2006 by Joey Hess <id@joeyh.name>
Licensed under the GNU GPL.
=cut
use File::Basename;
use File::Path qw(make_path);
use File::Spec;
use File::Temp;
use Getopt::Long;
my $error=0;
my $verbose=0;
if (! GetOptions("verbose|v" => \$verbose)) {
die "Usage: $0 [--verbose] [directory|file|-]\n";
}
my @dir;
if (! @ARGV) {
push @ARGV, "."
}
foreach my $item (@ARGV) {
if ($item eq "-") {
push @dir, map { chomp; $_ } <STDIN>;
close STDIN;
open(STDIN, "/dev/tty") || die "reopen: $!\n";
}
elsif (-d $item) {
$item =~ s{/?$}{/};
opendir(DIR, $item) || die "$0: cannot read $item: $!\n";
push @dir, map { "$item$_" } sort readdir(DIR);
closedir DIR;
}
else {
push @dir, $item;
}
}
if (grep(/[[:cntrl:]]/, @dir)) {
die "$0: control characters in filenames are not supported\n";
}
my $tmp=File::Temp->new(TEMPLATE => "dirXXXXX", DIR => File::Spec->tmpdir);
open (OUT, ">".$tmp->filename) || die "$0: cannot create ".$tmp->filename.": $!\n";
my %item;
my $c=0;
foreach (@dir) {
next if /^(.*\/)?\.$/ || /^(.*\/)?\.\.$/;
$item{++$c}=$_;
print OUT "$c\t$_\n";
}
@dir=();
close OUT || die "$0: cannot write ".$tmp->filename.": $!\n";
my @editor="vi";
if (-x "/usr/bin/editor") {
@editor="/usr/bin/editor";
}
if (exists $ENV{EDITOR}) {
@editor=split(' ', $ENV{EDITOR});
}
if (exists $ENV{VISUAL}) {
@editor=split(' ', $ENV{VISUAL});
}
$ret=system(@editor, $tmp);
if ($ret != 0) {
die "@editor exited nonzero, aborting\n";
}
open (IN, $tmp->filename) || die "$0: cannot read ".$tmp->filename.": $!\n";
while (<IN>) {
chomp;
if (/^(\d+)\t{0,1}(.*)/) {
my $num=int($1);
my $name=$2;
if (! exists $item{$num}) {
die "$0: unknown item number $num\n";
}
elsif ($name ne $item{$num}) {
next unless length $name;
my $src=$item{$num};
my $dir=dirname($name);
if (! (-e $src || -l $src) ) {
print STDERR "$0: $src does not exist\n";
delete $item{$num};
next;
}
# deal with swaps
if (-e $name || -l $name) {
my $tmp=$name."~";
my $c=0;
while (-e $tmp || -l $tmp) {
$c++;
$tmp=$name."~$c";
}
if (! rename($name, $tmp)) {
print STDERR "$0: failed to rename $name to $tmp: $!\n";
$error=1;
}
elsif ($verbose) {
print "'$name' -> '$tmp'\n";
}
foreach my $item (keys %item) {
if ($item{$item} eq $name) {
$item{$item}=$tmp;
}
}
}
if ((! -d $dir) && (! make_path($dir, {
verbose => $verbose,
}))) {
print STDERR "$0: failed to create directory tree $dir: $!\n";
$error=1;
}
elsif (! rename($src, $name)) {
print STDERR "$0: failed to rename $src to $name: $!\n";
$error=1;
}
else {
if (-d $name) {
foreach (values %item) {
s,^\Q$src\E($|/),$name$1,;
}
}
if ($verbose) {
print "'$src' => '$name'\n";
}
}
}
delete $item{$num};
}
elsif (/^\s*$/) {
# skip empty line
}
else {
die "$0: unable to parse line \"$_\", aborting\n";
}
}
close IN || die "$0: cannot read ".$tmp->filename.": $!\n";
unlink($tmp.'~') if -e $tmp.'~';
sub rm {
my $file = shift;
if (-d $file && ! -l $file) {
return rmdir $file;
}
else {
return unlink $file;
}
}
foreach my $item (reverse sort values %item) {
if (! rm($item)) {
print STDERR "$0: failed to remove $item: $!\n";
$error=1;
}
if ($verbose) {
print "removed '$item'\n";
}
}
exit $error;
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