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893 lines (736 loc) · 23.5 KB
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#!/usr/bin/perl
eval 'exec /usr/bin/perl -S $0 ${1+"$@"}'
if $running_under_some_shell;
(my $perlpath = <<'/../') =~ s/\s*\z//;
/usr/bin/perl
/../
use strict;
use vars qw/$statdone/;
use File::Spec::Functions 'curdir';
my $startperl = "#! $perlpath -w";
#
# Modified September 26, 1993 to provide proper handling of years after 1999
# Tom Link <[email protected]>
# University of Pittsburgh
#
# Modified April 7, 1998 with nasty hacks to implement the troublesome -follow
# Billy Constantine <[email protected]> <[email protected]>
# University of Adelaide, Adelaide, South Australia
#
# Modified 1999-06-10, 1999-07-07 to migrate to cleaner perl5 usage
# Ken Pizzini <[email protected]>
#
# Modified 2000-01-28 to use the 'follow' option of File::Find
sub tab ();
sub n ($$);
sub fileglob_to_re ($);
sub quote ($);
my @roots = ();
while ($ARGV[0] =~ /^[^-!(]/) {
push(@roots, shift);
}
@roots = (curdir()) unless @roots;
for (@roots) { $_ = quote($_) }
my $roots = join(', ', @roots);
my $find = "find";
my $indent_depth = 1;
my $stat = 'lstat';
my $decl = '';
my $flushall = '';
my $initfile = '';
my $initnewer = '';
my $out = '';
my $declaresubs = "sub wanted;\n";
my %init = ();
my ($follow_in_effect,$Skip_And) = (0,0);
my $print_needed = 1;
while (@ARGV) {
$_ = shift;
s/^-// || /^[()!]/ || die "Unrecognized switch: $_\n";
if ($_ eq '(') {
$out .= tab . "(\n";
$indent_depth++;
next;
} elsif ($_ eq ')') {
--$indent_depth;
$out .= tab . ")";
} elsif ($_ eq 'follow') {
$follow_in_effect= 1;
$stat = 'stat';
$Skip_And= 1;
} elsif ($_ eq '!') {
$out .= tab . "!";
next;
} elsif (/^(i)?name$/) {
$out .= tab . '/' . fileglob_to_re(shift) . "/s$1";
} elsif (/^(i)?path$/) {
$out .= tab . '$File::Find::name =~ /' . fileglob_to_re(shift) . "/s$1";
} elsif ($_ eq 'perm') {
my $onum = shift;
$onum =~ /^-?[0-7]+$/
|| die "Malformed -perm argument: $onum\n";
$out .= tab;
if ($onum =~ s/^-//) {
$onum = sprintf("0%o", oct($onum) & 07777);
$out .= "((\$mode & $onum) == $onum)";
} else {
$onum =~ s/^0*/0/;
$out .= "((\$mode & 0777) == $onum)";
}
} elsif ($_ eq 'type') {
(my $filetest = shift) =~ tr/s/S/;
$out .= tab . "-$filetest _";
} elsif ($_ eq 'print') {
$out .= tab . 'print("$name\n")';
$print_needed = 0;
} elsif ($_ eq 'print0') {
$out .= tab . 'print("$name\0")';
$print_needed = 0;
} elsif ($_ eq 'fstype') {
my $type = shift;
$out .= tab;
if ($type eq 'nfs') {
$out .= '($dev < 0)';
} else {
$out .= '($dev >= 0)'; #XXX
}
} elsif ($_ eq 'user') {
my $uname = shift;
$out .= tab . "(\$uid == \$uid{'$uname'})";
$init{user} = 1;
} elsif ($_ eq 'group') {
my $gname = shift;
$out .= tab . "(\$gid == \$gid{'$gname'})";
$init{group} = 1;
} elsif ($_ eq 'nouser') {
$out .= tab . '!exists $uid{$uid}';
$init{user} = 1;
} elsif ($_ eq 'nogroup') {
$out .= tab . '!exists $gid{$gid}';
$init{group} = 1;
} elsif ($_ eq 'links') {
$out .= tab . n('$nlink', shift);
} elsif ($_ eq 'inum') {
$out .= tab . n('$ino', shift);
} elsif ($_ eq 'size') {
$_ = shift;
my $n = 'int(((-s _) + 511) / 512)';
if (s/c\z//) {
$n = 'int(-s _)';
} elsif (s/k\z//) {
$n = 'int(((-s _) + 1023) / 1024)';
}
$out .= tab . n($n, $_);
} elsif ($_ eq 'atime') {
$out .= tab . n('int(-A _)', shift);
} elsif ($_ eq 'mtime') {
$out .= tab . n('int(-M _)', shift);
} elsif ($_ eq 'ctime') {
$out .= tab . n('int(-C _)', shift);
} elsif ($_ eq 'exec') {
my @cmd = ();
while (@ARGV && $ARGV[0] ne ';')
{ push(@cmd, shift) }
shift;
$out .= tab;
if ($cmd[0] =~m#^(?:(?:/usr)?/bin/)?rm$#
&& $cmd[$#cmd] eq '{}'
&& (@cmd == 2 || (@cmd == 3 && $cmd[1] eq '-f'))) {
if (@cmd == 2) {
$out .= '(unlink($_) || warn "$name: $!\n")';
} elsif (!@ARGV) {
$out .= 'unlink($_)';
} else {
$out .= '(unlink($_) || 1)';
}
} else {
for (@cmd)
{ s/'/\\'/g }
{ local $" = "','"; $out .= "doexec(0, '@cmd')"; }
$declaresubs .= "sub doexec (\$\@);\n";
$init{doexec} = 1;
}
$print_needed = 0;
} elsif ($_ eq 'ok') {
my @cmd = ();
while (@ARGV && $ARGV[0] ne ';')
{ push(@cmd, shift) }
shift;
$out .= tab;
for (@cmd)
{ s/'/\\'/g }
{ local $" = "','"; $out .= "doexec(1, '@cmd')"; }
$declaresubs .= "sub doexec (\$\@);\n";
$init{doexec} = 1;
$print_needed = 0;
} elsif ($_ eq 'prune') {
$out .= tab . '($File::Find::prune = 1)';
} elsif ($_ eq 'xdev') {
$out .= tab . '!($File::Find::prune |= ($dev != $File::Find::topdev))'
;
} elsif ($_ eq 'newer') {
my $file = shift;
my $newername = 'AGE_OF' . $file;
$newername =~ s/\W/_/g;
$newername = '$' . $newername;
$out .= tab . "(-M _ < $newername)";
$initnewer .= "my $newername = -M " . quote($file) . ";\n";
} elsif ($_ eq 'eval') {
my $prog = shift;
$prog =~ s/'/\\'/g;
$out .= tab . "eval {$prog}";
$print_needed = 0;
} elsif ($_ eq 'depth') {
$find = 'finddepth';
next;
} elsif ($_ eq 'ls') {
$out .= tab . "ls";
$declaresubs .= "sub ls ();\n";
$init{ls} = 1;
$print_needed = 0;
} elsif ($_ eq 'tar') {
die "-tar must have a filename argument\n" unless @ARGV;
my $file = shift;
my $fh = 'FH' . $file;
$fh =~ s/\W/_/g;
$out .= tab . "tar(*$fh, \$name)";
$flushall .= "tflushall;\n";
$declaresubs .= "sub tar;\nsub tflushall ();\n";
$initfile .= "open($fh, " . quote('> ' . $file) .
qq{) || die "Can't open $fh: \$!\\n";\n};
$init{tar} = 1;
} elsif (/^(n?)cpio\z/) {
die "-$_ must have a filename argument\n" unless @ARGV;
my $file = shift;
my $fh = 'FH' . $file;
$fh =~ s/\W/_/g;
$out .= tab . "cpio(*$fh, \$name, '$1')";
$find = 'finddepth';
$flushall .= "cflushall;\n";
$declaresubs .= "sub cpio;\nsub cflushall ();\n";
$initfile .= "open($fh, " . quote('> ' . $file) .
qq{) || die "Can't open $fh: \$!\\n";\n};
$init{cpio} = 1;
} else {
die "Unrecognized switch: -$_\n";
}
if (@ARGV) {
if ($ARGV[0] eq '-o') {
{ local($statdone) = 1; $out .= "\n" . tab . "||\n"; }
$statdone = 0 if $indent_depth == 1 && exists $init{delayedstat};
$init{saw_or} = 1;
shift;
} else {
$out .= " &&" unless $Skip_And || $ARGV[0] eq ')';
$out .= "\n";
shift if $ARGV[0] eq '-a';
}
}
}
if ($print_needed) {
my $t = tab;
if ($t !~ /&&\s*$/) { $t .= '&& ' }
$out .= "\n" . $t . 'print("$name\n")';
}
print <<"END";
$startperl
eval 'exec $perlpath -S \$0 \${1+"\$@"}'
if 0; #\$running_under_some_shell
use strict;
use File::Find ();
# Set the variable \$File::Find::dont_use_nlink if you're using AFS,
# since AFS cheats.
# for the convenience of &wanted calls, including -eval statements:
use vars qw/*name *dir *prune/;
*name = *File::Find::name;
*dir = *File::Find::dir;
*prune = *File::Find::prune;
$declaresubs
END
if (exists $init{doexec}) {
print <<'END';
use Cwd ();
my $cwd = Cwd::cwd();
END
}
if (exists $init{ls}) {
print <<'END';
my @rwx = qw(--- --x -w- -wx r-- r-x rw- rwx);
my @moname = qw(Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec);
END
}
if (exists $init{user} || exists $init{ls} || exists $init{tar}) {
print "my (%uid, %user);\n";
print "while (my (\$name, \$pw, \$uid) = getpwent) {\n";
print ' $uid{$name} = $uid{$uid} = $uid;', "\n"
if exists $init{user};
print ' $user{$uid} = $name unless exists $user{$uid};', "\n"
if exists $init{ls} || exists $init{tar};
print "}\n\n";
}
if (exists $init{group} || exists $init{ls} || exists $init{tar}) {
print "my (%gid, %group);\n";
print "while (my (\$name, \$pw, \$gid) = getgrent) {\n";
print ' $gid{$name} = $gid{$gid} = $gid;', "\n"
if exists $init{group};
print ' $group{$gid} = $name unless exists $group{$gid};', "\n"
if exists $init{ls} || exists $init{tar};
print "}\n\n";
}
print $initnewer, "\n" if $initnewer ne '';
print $initfile, "\n" if $initfile ne '';
$flushall .= "exit;\n";
if (exists $init{declarestat}) {
$out = <<'END' . $out;
my ($dev,$ino,$mode,$nlink,$uid,$gid);
END
}
if ( $follow_in_effect ) {
$out =~ s/lstat\(\$_\)/lstat(_)/;
print <<"END";
$decl
# Traverse desired filesystems
File::Find::$find( {wanted => \\&wanted, follow => 1}, $roots);
$flushall
sub wanted {
$out;
}
END
} else {
print <<"END";
$decl
# Traverse desired filesystems
File::Find::$find({wanted => \\&wanted}, $roots);
$flushall
sub wanted {
$out;
}
END
}
if (exists $init{doexec}) {
print <<'END';
sub doexec ($@) {
my $ok = shift;
my @command = @_; # copy so we don't try to s/// aliases to constants
for my $word (@command)
{ $word =~ s#{}#$name#g }
if ($ok) {
my $old = select(STDOUT);
$| = 1;
print "@command";
select($old);
return 0 unless <STDIN> =~ /^y/;
}
chdir $cwd; #sigh
system @command;
chdir $File::Find::dir;
return !$?;
}
END
}
if (exists $init{ls}) {
print <<'INTRO', <<"SUB", <<'END';
sub sizemm {
my $rdev = shift;
sprintf("%3d, %3d", ($rdev >> 8) & 0xff, $rdev & 0xff);
}
sub ls () {
my ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,
INTRO
\$atime,\$mtime,\$ctime,\$blksize,\$blocks) = $stat(_);
SUB
my $pname = $name;
$blocks
or $blocks = int(($size + 1023) / 1024);
my $perms = $rwx[$mode & 7];
$mode >>= 3;
$perms = $rwx[$mode & 7] . $perms;
$mode >>= 3;
$perms = $rwx[$mode & 7] . $perms;
substr($perms, 2, 1) =~ tr/-x/Ss/ if -u _;
substr($perms, 5, 1) =~ tr/-x/Ss/ if -g _;
substr($perms, 8, 1) =~ tr/-x/Tt/ if -k _;
if (-f _) { $perms = '-' . $perms; }
elsif (-d _) { $perms = 'd' . $perms; }
elsif (-l _) { $perms = 'l' . $perms; $pname .= ' -> ' . readlink($_); }
elsif (-c _) { $perms = 'c' . $perms; $size = sizemm($rdev); }
elsif (-b _) { $perms = 'b' . $perms; $size = sizemm($rdev); }
elsif (-p _) { $perms = 'p' . $perms; }
elsif (-S _) { $perms = 's' . $perms; }
else { $perms = '?' . $perms; }
my $user = $user{$uid} || $uid;
my $group = $group{$gid} || $gid;
my ($sec,$min,$hour,$mday,$mon,$timeyear) = localtime($mtime);
if (-M _ > 365.25 / 2) {
$timeyear += 1900;
} else {
$timeyear = sprintf("%02d:%02d", $hour, $min);
}
printf "%5lu %4ld %-10s %3d %-8s %-8s %8s %s %2d %5s %s\n",
$ino,
$blocks,
$perms,
$nlink,
$user,
$group,
$size,
$moname[$mon],
$mday,
$timeyear,
$pname;
1;
}
END
}
if (exists $init{cpio} || exists $init{tar}) {
print <<'END';
my %blocks = ();
sub flush {
my ($fh, $varref, $blksz) = @_;
while (length($$varref) >= $blksz) {
no strict qw/refs/;
syswrite($fh, $$varref, $blksz);
substr($$varref, 0, $blksz) = '';
++$blocks{$fh};
}
}
END
}
if (exists $init{cpio}) {
print <<'INTRO', <<"SUB", <<'END';
my %cpout = ();
my %nc = ();
sub cpio {
my ($fh, $fname, $nc) = @_;
my $text = '';
my ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,
$atime,$mtime,$ctime,$blksize,$blocks);
local (*IN);
if ( ! defined $fname ) {
$fname = 'TRAILER!!!';
($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,
$atime,$mtime,$ctime,$blksize,$blocks) = (0) x 13;
} else {
($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,
INTRO
\$atime,\$mtime,\$ctime,\$blksize,\$blocks) = $stat(_);
SUB
if (-f _) {
open(IN, "./$_\0") || do {
warn "Couldn't open $fname: $!\n";
return;
}
} else {
$text = readlink($_);
$size = 0 unless defined $text;
}
}
$fname =~ s#^\./##;
$nc{$fh} = $nc;
if ($nc eq 'n') {
$cpout{$fh} .=
sprintf("%06o%06o%06o%06o%06o%06o%06o%06o%011lo%06o%011lo%s\0",
070707,
$dev & 0777777,
$ino & 0777777,
$mode & 0777777,
$uid & 0777777,
$gid & 0777777,
$nlink & 0777777,
$rdev & 0177777,
$mtime,
length($fname)+1,
$size,
$fname);
} else {
$cpout{$fh} .= "\0" if length($cpout{$fh}) & 1;
$cpout{$fh} .= pack("SSSSSSSSLSLa*",
070707, $dev, $ino, $mode, $uid, $gid, $nlink, $rdev, $mtime,
length($fname)+1, $size,
$fname . (length($fname) & 1 ? "\0" : "\0\0"));
}
if ($text ne '') {
$cpout{$fh} .= $text;
} elsif ($size) {
my $l;
flush($fh, \$cpout{$fh}, 5120)
while ($l = length($cpout{$fh})) >= 5120;
while (sysread(IN, $cpout{$fh}, 5120 - $l, $l)) {
flush($fh, \$cpout{$fh}, 5120);
$l = length($cpout{$fh});
}
close IN;
}
}
sub cflushall () {
for my $fh (keys %cpout) {
cpio($fh, undef, $nc{$fh});
$cpout{$fh} .= "0" x (5120 - length($cpout{$fh}));
flush($fh, \$cpout{$fh}, 5120);
print $blocks{$fh} * 10, " blocks\n";
}
}
END
}
if (exists $init{tar}) {
print <<'INTRO', <<"SUB", <<'END';
my %tarout = ();
my %linkseen = ();
sub tar {
my ($fh, $fname) = @_;
my $prefix = '';
my $typeflag = '0';
my $linkname;
my ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,
INTRO
\$atime,\$mtime,\$ctime,\$blksize,\$blocks) = $stat(_);
SUB
local (*IN);
if ($nlink > 1) {
if ($linkname = $linkseen{$fh, $dev, $ino}) {
if (length($linkname) > 100) {
warn "$0: omitting file with linkname ",
"too long for tar output: $linkname\n";
return;
}
$typeflag = '1';
$size = 0;
} else {
$linkseen{$fh, $dev, $ino} = $fname;
}
}
if ($typeflag eq '0') {
if (-f _) {
open(IN, "./$_\0") || do {
warn "Couldn't open $fname: $!\n";
return;
}
} else {
$linkname = readlink($_);
if (defined $linkname) { $typeflag = '2' }
elsif (-c _) { $typeflag = '3' }
elsif (-b _) { $typeflag = '4' }
elsif (-d _) { $typeflag = '5' }
elsif (-p _) { $typeflag = '6' }
}
}
if (length($fname) > 100) {
($prefix, $fname) = ($fname =~ m#\A(.*?)/(.{,100})\Z(?!\n)#);
if (!defined($fname) || length($prefix) > 155) {
warn "$0: omitting file with name too long for tar output: ",
$fname, "\n";
return;
}
}
$size = 0 if $typeflag ne '0';
my $header = pack("a100a8a8a8a12a12a8a1a100a6a2a32a32a8a8a155",
$fname,
sprintf("%7o ", $mode & 0777),
sprintf("%7o ", $uid & 0777777),
sprintf("%7o ", $gid & 0777777),
sprintf("%11o ", $size),
sprintf("%11o ", $mtime),
' 'x8,
$typeflag,
defined $linkname ? $linkname : '',
"ustar\0",
"00",
$user{$uid},
$group{$gid},
($rdev >> 8) & 0xff,
$rdev & 0xff,
$prefix,
);
substr($header, 148, 8) = sprintf("%7o ", unpack("%16C*", $header));
my $l = length($header) % 512;
$tarout{$fh} .= $header;
$tarout{$fh} .= "\0" x (512 - $l) if $l;
if ($size) {
flush($fh, \$tarout{$fh}, 10240)
while ($l = length($tarout{$fh})) >= 10240;
while (sysread(IN, $tarout{$fh}, 10240 - $l, $l)) {
my $slop = length($tarout{$fh}) % 512;
$tarout{$fh} .= "\0" x (512 - $slop) if $slop;
flush($fh, \$tarout{$fh}, 10240);
$l = length($tarout{$fh});
}
close IN;
}
}
sub tflushall () {
my $len;
for my $fh (keys %tarout) {
$len = 10240 - length($tarout{$fh});
$len += 10240 if $len < 1024;
$tarout{$fh} .= "\0" x $len;
flush($fh, \$tarout{$fh}, 10240);
}
}
END
}
exit;
############################################################################
sub tab () {
my $tabstring;
$tabstring = "\t" x ($indent_depth/2) . ' ' x ($indent_depth%2 * 4);
if (!$statdone) {
if ($_ =~ /^(?:name|print|prune|exec|ok|\(|\))/) {
$init{delayedstat} = 1;
} else {
my $statcall = '(($dev,$ino,$mode,$nlink,$uid,$gid) = '
. $stat . '($_))';
if (exists $init{saw_or}) {
$tabstring .= "(\$nlink || $statcall) &&\n" . $tabstring;
} else {
$tabstring .= "$statcall &&\n" . $tabstring;
}
$statdone = 1;
$init{declarestat} = 1;
}
}
$tabstring =~ s/^\s+/ / if $out =~ /!$/;
$tabstring;
}
sub fileglob_to_re ($) {
my $x = shift;
$x =~ s#([./^\$()+])#\\$1#g;
$x =~ s#([?*])#.$1#g;
"^$x\\z";
}
sub n ($$) {
my ($pre, $n) = @_;
$n =~ s/^-/< / || $n =~ s/^\+/> / || $n =~ s/^/== /;
$n =~ s/ 0*(\d)/ $1/;
"($pre $n)";
}
sub quote ($) {
my $string = shift;
$string =~ s/\\/\\\\/g;
$string =~ s/'/\\'/g;
"'$string'";
}
__END__
=head1 NAME
find2perl - translate find command lines to Perl code
=head1 SYNOPSIS
find2perl [paths] [predicates] | perl
=head1 DESCRIPTION
find2perl is a little translator to convert find command lines to
equivalent Perl code. The resulting code is typically faster than
running find itself.
"paths" are a set of paths where find2perl will start its searches and
"predicates" are taken from the following list.
=over 4
=item C<! PREDICATE>
Negate the sense of the following predicate. The C<!> must be passed as
a distinct argument, so it may need to be surrounded by whitespace and/or
quoted from interpretation by the shell using a backslash (just as with
using C<find(1)>).
=item C<( PREDICATES )>
Group the given PREDICATES. The parentheses must be passed as distinct
arguments, so they may need to be surrounded by whitespace and/or
quoted from interpretation by the shell using a backslash (just as with
using C<find(1)>).
=item C<PREDICATE1 PREDICATE2>
True if _both_ PREDICATE1 and PREDICATE2 are true; PREDICATE2 is not
evaluated if PREDICATE1 is false.
=item C<PREDICATE1 -o PREDICATE2>
True if either one of PREDICATE1 or PREDICATE2 is true; PREDICATE2 is
not evaluated if PREDICATE1 is true.
=item C<-follow>
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>
Change directory traversal algorithm from breadth-first to depth-first.
=item C<-prune>
Do not descend into the directory currently matched.
=item C<-xdev>
Do not traverse mount points (prunes search at mount-point directories).
=item C<-name GLOB>
File name matches specified GLOB wildcard pattern. GLOB may need to be
quoted to avoid interpretation by the shell (just as with using
C<find(1)>).
=item C<-iname GLOB>
Like C<-name>, but the match is case insensitive.
=item C<-path GLOB>
Path name matches specified GLOB wildcard pattern.
=item C<-ipath GLOB>
Like C<-path>, but the match is case insensitive.
=item C<-perm PERM>
Low-order 9 bits of permission match octal value PERM.
=item C<-perm -PERM>
The bits specified in PERM are all set in file's permissions.
=item C<-type X>
The file's type matches perl's C<-X> operator.
=item C<-fstype TYPE>
Filesystem of current path is of type TYPE (only NFS/non-NFS distinction
is implemented).
=item C<-user USER>
True if USER is owner of file.
=item C<-group GROUP>
True if file's group is GROUP.
=item C<-nouser>
True if file's owner is not in password database.
=item C<-nogroup>
True if file's group is not in group database.
=item C<-inum INUM>
True file's inode number is INUM.
=item C<-links N>
True if (hard) link count of file matches N (see below).
=item C<-size N>
True if file's size matches N (see below) N is normally counted in
512-byte blocks, but a suffix of "c" specifies that size should be
counted in characters (bytes) and a suffix of "k" specifes that
size should be counted in 1024-byte blocks.
=item C<-atime N>
True if last-access time of file matches N (measured in days) (see
below).
=item C<-ctime N>
True if last-changed time of file's inode matches N (measured in days,
see below).
=item C<-mtime N>
True if last-modified time of file matches N (measured in days, see below).
=item C<-newer FILE>
True if last-modified time of file matches N.
=item C<-print>
Print out path of file (always true). If none of C<-exec>, C<-ls>,
C<-print0>, or C<-ok> is specified, then C<-print> will be added
implicitly.
=item C<-print0>
Like -print, but terminates with \0 instead of \n.
=item C<-exec OPTIONS ;>
exec() the arguments in OPTIONS in a subprocess; any occurrence of {} in
OPTIONS will first be substituted with the path of the current
file. Note that the command "rm" has been special-cased to use perl's
unlink() function instead (as an optimization). The C<;> must be passed as
a distinct argument, so it may need to be surrounded by whitespace and/or
quoted from interpretation by the shell using a backslash (just as with
using C<find(1)>).
=item C<-ok OPTIONS ;>
Like -exec, but first prompts user; if user's response does not begin
with a y, skip the exec. The C<;> must be passed as
a distinct argument, so it may need to be surrounded by whitespace and/or
quoted from interpretation by the shell using a backslash (just as with
using C<find(1)>).
=item C<-eval EXPR>
Has the perl script eval() the EXPR.
=item C<-ls>
Simulates C<-exec ls -dils {} ;>
=item C<-tar FILE>
Adds current output to tar-format FILE.
=item C<-cpio FILE>
Adds current output to old-style cpio-format FILE.
=item C<-ncpio FILE>
Adds current output to "new"-style cpio-format FILE.
=back
Predicates which take a numeric argument N can come in three forms:
* N is prefixed with a +: match values greater than N
* N is prefixed with a -: match values less than N
* N is not prefixed with either + or -: match only values equal to N
=head1 SEE ALSO
find
=cut