[perl5.git] / x2p / find2perl.PL

#!/usr/local/bin/perl

use Config;
use File::Basename qw(&basename &dirname);

# List explicitly here the variables you want Configure to
# generate.  Metaconfig only looks for shell variables, so you
# have to mention them as if they were shell variables, not
# %Config entries.  Thus you write
#  $startperl
# to ensure Configure will look for $Config{startperl}.

# This forces PL files to create target in same directory as PL file.
# This is so that make depend always knows where to find PL derivatives.
chdir dirname($0);
$file = basename($0, '.PL');
$file .= '.com' if $^O eq 'VMS';

open OUT,">$file" or die "Can't create $file: $!";

print "Extracting $file (with variable substitutions)\n";

# In this section, perl variables will be expanded during extraction.
# You can use $Config{...} to use Configure variables.

print OUT <<"!GROK!THIS!";
$Config{startperl}
    eval 'exec $Config{perlpath} -S \$0 \${1+"\$@"}'
	if \$running_under_some_shell;
\$startperl = "$Config{startperl}";
\$perlpath = "$Config{perlpath}";
!GROK!THIS!

# In the following, perl variables are not expanded during extraction.

print OUT <<'!NO!SUBS!';
# 
# Modified September 26, 1993 to provide proper handling of years after 1999
#   Tom Link <tml+@pitt.edu>
#   University of Pittsburgh

while ($ARGV[0] =~ /^[^-!(]/) {
    push(@roots, shift);
}
@roots = ('.') unless @roots;
for (@roots) { $_ = &quote($_); }
$roots = join(',', @roots);

$indent = 1;

while (@ARGV) {
    $_ = shift;
    s/^-// || /^[()!]/ || die "Unrecognized switch: $_\n";
    if ($_ eq '(') {
	$out .= &tab . "(\n";
	$indent++;
	next;
    }
    elsif ($_ eq ')') {
	$indent--;
	$out .= &tab . ")";
    }
    elsif ($_ eq '!') {
	$out .= &tab . "!";
	next;
    }
    elsif ($_ eq 'name') {
	$out .= &tab;
	$pat = &fileglob_to_re(shift);
	$out .= '/' . $pat . "/";
    }
    elsif ($_ eq 'perm') {
	$onum = shift;
	die "Malformed -perm argument: $onum\n" unless $onum =~ /^-?[0-7]+$/;
	if ($onum =~ s/^-//) {
	    $onum = '0' . sprintf("%o", oct($onum) & 017777);	# s/b 07777 ?
	    $out .= &tab . "((\$mode & $onum) == $onum)";
	}
	else {
	    $onum = '0' . $onum unless $onum =~ /^0/;
	    $out .= &tab . "((\$mode & 0777) == $onum)";
	}
    }
    elsif ($_ eq 'type') {
	($filetest = shift) =~ tr/s/S/;
	$out .= &tab . "-$filetest _";
    }
    elsif ($_ eq 'print') {
	$out .= &tab . 'print("$name\n")';
    }
    elsif ($_ eq 'print0') {
	$out .= &tab . 'print("$name\0")';
    }
    elsif ($_ eq 'fstype') {
	$out .= &tab;
	$type = shift;
	if ($type eq 'nfs')
	    { $out .= '($dev < 0)'; }
	else
	    { $out .= '($dev >= 0)'; }
    }
    elsif ($_ eq 'user') {
	$uname = shift;
	$out .= &tab . "(\$uid == \$uid{'$uname'})";
	$inituser++;
    }
    elsif ($_ eq 'group') {
	$gname = shift;
	$out .= &tab . "(\$gid == \$gid{'$gname'})";
	$initgroup++;
    }
    elsif ($_ eq 'nouser') {
	$out .= &tab . '!defined $uid{$uid}';
	$inituser++;
    }
    elsif ($_ eq 'nogroup') {
	$out .= &tab . '!defined $gid{$gid}';
	$initgroup++;
    }
    elsif ($_ eq 'links') {
	$out .= &tab . '($nlink ' . &n(shift);
    }
    elsif ($_ eq 'inum') {
	$out .= &tab . '($ino ' . &n(shift);
    }
    elsif ($_ eq 'size') {
	$out .= &tab . '(int(((-s _) + 511) / 512) ' . &n(shift);
    }
    elsif ($_ eq 'atime') {
	$out .= &tab . '(int(-A _) ' . &n(shift);
    }
    elsif ($_ eq 'mtime') {
	$out .= &tab . '(int(-M _) ' . &n(shift);
    }
    elsif ($_ eq 'ctime') {
	$out .= &tab . '(int(-C _) ' . &n(shift);
    }
    elsif ($_ eq 'exec') {
	for (@cmd = (); @ARGV && $ARGV[0] ne ';'; push(@cmd,shift)) { }
	shift;
	$_ = "@cmd";
	if (m#^(/bin/)?rm -f {}$#) {
	    if (!@ARGV) {
		$out .= &tab . 'unlink($_)';
	    }
	    else {
		$out .= &tab . '(unlink($_) || 1)';
	    }
	}
	elsif (m#^(/bin/)?rm {}$#) {
	    $out .= &tab . '(unlink($_) || warn "$name: $!\n")';
	}
	else {
	    for (@cmd) { s/'/\\'/g; }
	    $" = "','";
	    $out .= &tab . "&exec(0, '@cmd')";
	    $" = ' ';
	    $initexec++;
	}
    }
    elsif ($_ eq 'ok') {
	for (@cmd = (); @ARGV && $ARGV[0] ne ';'; push(@cmd,shift)) { }
	shift;
	for (@cmd) { s/'/\\'/g; }
	$" = "','";
	$out .= &tab . "&exec(1, '@cmd')";
	$" = ' ';
	$initexec++;
    }
    elsif ($_ eq 'prune') {
	$out .= &tab . '($prune = 1)';
    }
    elsif ($_ eq 'xdev') {
	$out .= &tab . '!($prune |= ($dev != $topdev))';
    }
    elsif ($_ eq 'newer') {
	$out .= &tab;
	$file = shift;
	$newername = 'AGE_OF' . $file;
	$newername =~ s/[^\w]/_/g;
	$newername = '$' . $newername;
	$out .= "(-M _ < $newername)";
	$initnewer .= "$newername = -M " . &quote($file) . ";\n";
    }
    elsif ($_ eq 'eval') {
	$prog = &quote(shift);
	$out .= &tab . "eval $prog";
    }
    elsif ($_ eq 'depth') {
	$depth++;
	next;
    }
    elsif ($_ eq 'ls') {
	$out .= &tab . "&ls";
	$initls++;
    }
    elsif ($_ eq 'tar') {
	$out .= &tab;
	die "-tar must have a filename argument\n" unless @ARGV;
	$file = shift;
	$fh = 'FH' . $file;
	$fh =~ s/[^\w]/_/g;
	$out .= "&tar($fh)";
	$file = '>' . $file;
	$initfile .= "open($fh, " . &quote($file) .
	  qq{) || die "Can't open $fh: \$!\\n";\n};
	$inittar++;
	$flushall = "\n&tflushall;\n";
    }
    elsif (/^n?cpio$/) {
	$depth++;
	$out .= &tab;
	die "-$_ must have a filename argument\n" unless @ARGV;
	$file = shift;
	$fh = 'FH' . $file;
	$fh =~ s/[^\w]/_/g;
	$out .= "&cpio('" . substr($_,0,1) . "', $fh)";
	$file = '>' . $file;
	$initfile .= "open($fh, " . &quote($file) .
	  qq{) || die "Can't open $fh: \$!\\n";\n};
	$initcpio++;
	$flushall = "\n&flushall;\n";
    }
    else {
	die "Unrecognized switch: -$_\n";
    }
    if (@ARGV) {
	if ($ARGV[0] eq '-o') {
	    { local($statdone) = 1; $out .= "\n" . &tab . "||\n"; }
	    $statdone = 0 if $indent == 1 && $delayedstat;
	    $saw_or++;
	    shift;
	}
	else {
	    $out .= " &&" unless $ARGV[0] eq ')';
	    $out .= "\n";
	    shift if $ARGV[0] eq '-a';
	}
    }
}

print <<"END";
$startperl
    eval 'exec $perlpath -S \$0 \${1+"\$@"}'
	if \$running_under_some_shell;

END

if ($initls) {
    print <<'END';
@rwx = ('---','--x','-w-','-wx','r--','r-x','rw-','rwx');
@moname = (Jan,Feb,Mar,Apr,May,Jun,Jul,Aug,Sep,Oct,Nov,Dec);

END
}

if ($inituser || $initls) {
    print 'while (($name, $pw, $uid) = getpwent) {', "\n";
    print '    $uid{$name} = $uid{$uid} = $uid;', "\n" if $inituser;
    print '    $user{$uid} = $name unless $user{$uid};', "\n" if $initls;
    print "}\n\n";
}

if ($initgroup || $initls) {
    print 'while (($name, $pw, $gid) = getgrent) {', "\n";
    print '    $gid{$name} = $gid{$gid} = $gid;', "\n" if $initgroup;
    print '    $group{$gid} = $name unless $group{$gid};', "\n" if $initls;
    print "}\n\n";
}

print $initnewer, "\n" if $initnewer;

print $initfile, "\n" if $initfile;

$find = $depth ? "finddepth" : "find";
print <<"END";
require "$find.pl";

# Traverse desired filesystems

&$find($roots);
$flushall
exit;

sub wanted {
$out;
}

END

if ($initexec) {
    print <<'END';
sub exec {
    local($ok, @cmd) = @_;
    foreach $word (@cmd) {
	$word =~ s#{}#$name#g;
    }
    if ($ok) {
	local($old) = select(STDOUT);
	$| = 1;
	print "@cmd";
	select($old);
	return 0 unless <STDIN> =~ /^y/;
    }
    chdir $cwd;		# sigh
    system @cmd;
    chdir $dir;
    return !$?;
}

END
}

if ($initls) {
    print <<'END';
sub ls {
    ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$sizemm,
      $atime,$mtime,$ctime,$blksize,$blocks) = lstat(_);

    $pname = $name;

    if (defined $blocks) {
	$blocks = int(($blocks + 1) / 2);
    }
    else {
	$blocks = int(($size + 1023) / 1024);
    }

    if    (-f _) { $perms = '-'; }
    elsif (-d _) { $perms = 'd'; }
    elsif (-c _) { $perms = 'c'; $sizemm = &sizemm; }
    elsif (-b _) { $perms = 'b'; $sizemm = &sizemm; }
    elsif (-p _) { $perms = 'p'; }
    elsif (-S _) { $perms = 's'; }
    else         { $perms = 'l'; $pname .= ' -> ' . readlink($_); }

    $tmpmode = $mode;
    $tmp = $rwx[$tmpmode & 7];
    $tmpmode >>= 3;
    $tmp = $rwx[$tmpmode & 7] . $tmp;
    $tmpmode >>= 3;
    $tmp = $rwx[$tmpmode & 7] . $tmp;
    substr($tmp,2,1) =~ tr/-x/Ss/ if -u _;
    substr($tmp,5,1) =~ tr/-x/Ss/ if -g _;
    substr($tmp,8,1) =~ tr/-x/Tt/ if -k _;
    $perms .= $tmp;

    $user = $user{$uid} || $uid;
    $group = $group{$gid} || $gid;

    ($sec,$min,$hour,$mday,$mon,$year) = localtime($mtime);
    $moname = $moname[$mon];
    if (-M _ > 365.25 / 2) {
	$timeyear = $year + 1900;
    }
    else {
	$timeyear = sprintf("%02d:%02d", $hour, $min);
    }

    printf "%5lu %4ld %-10s %2d %-8s %-8s %8s %s %2d %5s %s\n",
	    $ino,
		 $blocks,
		      $perms,
			    $nlink,
				$user,
				     $group,
					  $sizemm,
					      $moname,
						 $mday,
						     $timeyear,
							 $pname;
    1;
}

sub sizemm {
    sprintf("%3d, %3d", ($rdev >> 8) & 255, $rdev & 255);
}

END
}

if ($initcpio) {
print <<'END';
sub cpio {
    local($nc,$fh) = @_;
    local($text);

    if ($name eq 'TRAILER!!!') {
	$text = '';
	$size = 0;
    }
    else {
	($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,
	  $atime,$mtime,$ctime,$blksize,$blocks) = lstat(_);
	if (-f _) {
	    open(IN, "./$_\0") || do {
		warn "Couldn't open $name: $!\n";
		return;
	    };
	}
	else {
	    $text = readlink($_);
	    $size = 0 unless defined $text;
	}
    }

    ($nm = $name) =~ 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,
	    $mtime,
	    length($nm)+1,
	    $size,
	    $nm);
    }
    else {
	$cpout{$fh} .= "\0" if length($cpout{$fh}) & 1;
	$cpout{$fh} .= pack("SSSSSSSSLSLa*",
	    070707, $dev, $ino, $mode, $uid, $gid, $nlink, $rdev, $mtime,
	    length($nm)+1, $size, $nm . (length($nm) & 1 ? "\0" : "\0\0"));
    }
    if ($text ne '') {
	$cpout{$fh} .= $text;
    }
    elsif ($size) {
	&flush($fh) while ($l = length($cpout{$fh})) >= 5120;
	while (sysread(IN, $cpout{$fh}, 5120 - $l, $l)) {
	    &flush($fh);
	    $l = length($cpout{$fh});
	}
    }
    close IN;
}

sub flush {
    local($fh) = @_;

    while (length($cpout{$fh}) >= 5120) {
	syswrite($fh,$cpout{$fh},5120);
	++$blocks{$fh};
	substr($cpout{$fh}, 0, 5120) = '';
    }
}

sub flushall {
    $name = 'TRAILER!!!';
    foreach $fh (keys %cpout) {
	&cpio($nc{$fh},$fh);
	$cpout{$fh} .= "0" x (5120 - length($cpout{$fh}));
	&flush($fh);
	print $blocks{$fh} * 10, " blocks\n";
    }
}

END
}

if ($inittar) {
print <<'END';
sub tar {
    local($fh) = @_;
    local($linkname,$header,$l,$slop);
    local($linkflag) = "\0";

    ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,
      $atime,$mtime,$ctime,$blksize,$blocks) = lstat(_);
    $nm = $name;
    if ($nlink > 1) {
	if ($linkname = $linkseen{$fh,$dev,$ino}) {
	    $linkflag = 1;
	}
	else {
	    $linkseen{$fh,$dev,$ino} = $nm;
	}
    }
    if (-f _) {
	open(IN, "./$_\0") || do {
	    warn "Couldn't open $name: $!\n";
	    return;
	};
	$size = 0 if $linkflag ne "\0";
    }
    else {
	$linkname = readlink($_);
	$linkflag = 2 if defined $linkname;
	$nm .= '/' if -d _;
	$size = 0;
    }

    $header = pack("a100a8a8a8a12a12a8a1a100",
	$nm,
	sprintf("%6o ", $mode & 0777),
	sprintf("%6o ", $uid & 0777777),
	sprintf("%6o ", $gid & 0777777),
	sprintf("%11o ", $size),
	sprintf("%11o ", $mtime),
	"        ",
	$linkflag,
	$linkname);
    $l = length($header) % 512;
    substr($header, 148, 6) = sprintf("%6o", unpack("%16C*", $header));
    substr($header, 154, 1) = "\0";  # blech
    $tarout{$fh} .= $header;
    $tarout{$fh} .= "\0" x (512 - $l) if $l;
    if ($size) {
	&tflush($fh) while ($l = length($tarout{$fh})) >= 10240;
	while (sysread(IN, $tarout{$fh}, 10240 - $l, $l)) {
	    $slop = length($tarout{$fh}) % 512;
	    $tarout{$fh} .= "\0" x (512 - $slop) if $slop;
	    &tflush($fh);
	    $l = length($tarout{$fh});
	}
    }
    close IN;
}

sub tflush {
    local($fh) = @_;

    while (length($tarout{$fh}) >= 10240) {
	syswrite($fh,$tarout{$fh},10240);
	++$blocks{$fh};
	substr($tarout{$fh}, 0, 10240) = '';
    }
}

sub tflushall {
    local($len);

    foreach $fh (keys %tarout) {
	$len = 10240 - length($tarout{$fh});
	$len += 10240 if $len < 1024;
	$tarout{$fh} .= "\0" x $len;
	&tflush($fh);
    }
}

END
}

exit;

############################################################################

sub tab {
    local($tabstring);

    $tabstring = "\t" x ($indent / 2) . ' ' x ($indent % 2 * 4);
    if (!$statdone) {
	if ($_ =~ /^(name|print|prune|exec|ok|\(|\))/) {
	    $delayedstat++;
	}
	else {
	    if ($saw_or) {
		$tabstring .= <<'ENDOFSTAT' . $tabstring;
($nlink || (($dev,$ino,$mode,$nlink,$uid,$gid) = lstat($_))) &&
ENDOFSTAT
	    }
	    else {
		$tabstring .= <<'ENDOFSTAT' . $tabstring;
(($dev,$ino,$mode,$nlink,$uid,$gid) = lstat($_)) &&
ENDOFSTAT
	    }
	    $statdone = 1;
	}
    }
    $tabstring =~ s/^\s+/ / if $out =~ /!$/;
    $tabstring;
}

sub fileglob_to_re {
    local($tmp) = @_;

    $tmp =~ s#([./^\$()])#\\$1#g;
    $tmp =~ s/([?*])/.$1/g;
    "^$tmp\$";
}

sub n {
    local($n) = @_;

    $n =~ s/^-/< / || $n =~ s/^\+/> / || $n =~ s/^/== /;
    $n =~ s/ 0*(\d)/ $1/;
    $n . ')';
}

sub quote {
    local($string) = @_;
    $string =~ s/'/\\'/;
    "'$string'";
}
!NO!SUBS!

close OUT or die "Can't close $file: $!";
chmod 0755, $file or die "Can't reset permissions for $file: $!\n";
exec("$Config{'eunicefix'} $file") if $Config{'eunicefix'} ne ':';
Commit	Line	Data
4633a7c4 LW	1	#!/usr/local/bin/perl
	2
	3	use Config;
	4	use File::Basename qw(&basename &dirname);
	5
	6	# List explicitly here the variables you want Configure to
	7	# generate. Metaconfig only looks for shell variables, so you
	8	# have to mention them as if they were shell variables, not
	9	# %Config entries. Thus you write
	10	# $startperl
	11	# to ensure Configure will look for $Config{startperl}.
	12
	13	# This forces PL files to create target in same directory as PL file.
	14	# This is so that make depend always knows where to find PL derivatives.
44a8e56a	15	chdir dirname($0);
44a8e56a	16	$file = basename($0, '.PL');
774d564b	17	$file .= '.com' if $^O eq 'VMS';
4633a7c4 LW	18
	19	open OUT,">$file" or die "Can't create $file: $!";
	20
	21	print "Extracting $file (with variable substitutions)\n";
	22
	23	# In this section, perl variables will be expanded during extraction.
	24	# You can use $Config{...} to use Configure variables.
	25
	26	print OUT <<"!GROK!THIS!";
5f05dabc	27	$Config{startperl}
	28	eval 'exec $Config{perlpath} -S \$0 \${1+"\$@"}'
	29	if \$running_under_some_shell;
f70b6ff5	30	\$startperl = "$Config{startperl}";
5f05dabc	31	\$perlpath = "$Config{perlpath}";
4633a7c4 LW	32	!GROK!THIS!
	33
	34	# In the following, perl variables are not expanded during extraction.
	35
	36	print OUT <<'!NO!SUBS!';
93a17b20 LW	37	#
	38	# Modified September 26, 1993 to provide proper handling of years after 1999
	39	# Tom Link <tml+@pitt.edu>
	40	# University of Pittsburgh
fe14fcc3	41
fe14fcc3 LW	42	while ($ARGV[0] =~ /^[^-!(]/) {
	43	push(@roots, shift);
	44	}
	45	@roots = ('.') unless @roots;
	46	for (@roots) { $_ = &quote($_); }
	47	$roots = join(',', @roots);
	48
	49	$indent = 1;
	50
	51	while (@ARGV) {
	52	$_ = shift;
	53	s/^-// \|\| /^[()!]/ \|\| die "Unrecognized switch: $_\n";
	54	if ($_ eq '(') {
	55	$out .= &tab . "(\n";
	56	$indent++;
	57	next;
	58	}
	59	elsif ($_ eq ')') {
	60	$indent--;
	61	$out .= &tab . ")";
	62	}
	63	elsif ($_ eq '!') {
	64	$out .= &tab . "!";
	65	next;
	66	}
	67	elsif ($_ eq 'name') {
	68	$out .= &tab;
	69	$pat = &fileglob_to_re(shift);
	70	$out .= '/' . $pat . "/";
	71	}
	72	elsif ($_ eq 'perm') {
	73	$onum = shift;
	74	die "Malformed -perm argument: $onum\n" unless $onum =~ /^-?[0-7]+$/;
	75	if ($onum =~ s/^-//) {
	76	$onum = '0' . sprintf("%o", oct($onum) & 017777); # s/b 07777 ?
e334a159	77	$out .= &tab . "((\$mode & $onum) == $onum)";
fe14fcc3 LW	78	}
	79	else {
	80	$onum = '0' . $onum unless $onum =~ /^0/;
e334a159	81	$out .= &tab . "((\$mode & 0777) == $onum)";
fe14fcc3 LW	82	}
	83	}
	84	elsif ($_ eq 'type') {
	85	($filetest = shift) =~ tr/s/S/;
	86	$out .= &tab . "-$filetest _";
	87	}
	88	elsif ($_ eq 'print') {
	89	$out .= &tab . 'print("$name\n")';
	90	}
	91	elsif ($_ eq 'print0') {
	92	$out .= &tab . 'print("$name\0")';
	93	}
	94	elsif ($_ eq 'fstype') {
	95	$out .= &tab;
	96	$type = shift;
	97	if ($type eq 'nfs')
79072805	98	{ $out .= '($dev < 0)'; }
fe14fcc3	99	else
79072805	100	{ $out .= '($dev >= 0)'; }
fe14fcc3 LW	101	}
	102	elsif ($_ eq 'user') {
	103	$uname = shift;
79072805	104	$out .= &tab . "(\$uid == \$uid{'$uname'})";
fe14fcc3 LW	105	$inituser++;
	106	}
	107	elsif ($_ eq 'group') {
	108	$gname = shift;
79072805	109	$out .= &tab . "(\$gid == \$gid{'$gname'})";
fe14fcc3 LW	110	$initgroup++;
	111	}
	112	elsif ($_ eq 'nouser') {
	113	$out .= &tab . '!defined $uid{$uid}';
	114	$inituser++;
	115	}
	116	elsif ($_ eq 'nogroup') {
	117	$out .= &tab . '!defined $gid{$gid}';
	118	$initgroup++;
	119	}
	120	elsif ($_ eq 'links') {
79072805	121	$out .= &tab . '($nlink ' . &n(shift);
fe14fcc3 LW	122	}
fe14fcc3 LW	123	elsif ($_ eq 'inum') {
79072805	124	$out .= &tab . '($ino ' . &n(shift);
fe14fcc3 LW	125	}
fe14fcc3 LW	126	elsif ($_ eq 'size') {
463ee0b2	127	$out .= &tab . '(int(((-s _) + 511) / 512) ' . &n(shift);
fe14fcc3 LW	128	}
fe14fcc3 LW	129	elsif ($_ eq 'atime') {
79072805	130	$out .= &tab . '(int(-A _) ' . &n(shift);
fe14fcc3 LW	131	}
fe14fcc3 LW	132	elsif ($_ eq 'mtime') {
79072805	133	$out .= &tab . '(int(-M _) ' . &n(shift);
fe14fcc3 LW	134	}
fe14fcc3 LW	135	elsif ($_ eq 'ctime') {
79072805	136	$out .= &tab . '(int(-C _) ' . &n(shift);
fe14fcc3 LW	137	}
	138	elsif ($_ eq 'exec') {
	139	for (@cmd = (); @ARGV && $ARGV[0] ne ';'; push(@cmd,shift)) { }
	140	shift;
6e21c824 LW	141	$_ = "@cmd";
	142	if (m#^(/bin/)?rm -f {}$#) {
	143	if (!@ARGV) {
	144	$out .= &tab . 'unlink($_)';
	145	}
	146	else {
	147	$out .= &tab . '(unlink($_) \|\| 1)';
	148	}
	149	}
	150	elsif (m#^(/bin/)?rm {}$#) {
	151	$out .= &tab . '(unlink($_) \|\| warn "$name: $!\n")';
	152	}
	153	else {
	154	for (@cmd) { s/'/\\'/g; }
	155	$" = "','";
	156	$out .= &tab . "&exec(0, '@cmd')";
	157	$" = ' ';
	158	$initexec++;
	159	}
fe14fcc3 LW	160	}
	161	elsif ($_ eq 'ok') {
	162	for (@cmd = (); @ARGV && $ARGV[0] ne ';'; push(@cmd,shift)) { }
	163	shift;
	164	for (@cmd) { s/'/\\'/g; }
	165	$" = "','";
	166	$out .= &tab . "&exec(1, '@cmd')";
	167	$" = ' ';
	168	$initexec++;
	169	}
	170	elsif ($_ eq 'prune') {
	171	$out .= &tab . '($prune = 1)';
	172	}
	173	elsif ($_ eq 'xdev') {
a0d0e21e	174	$out .= &tab . '!($prune \|= ($dev != $topdev))';
fe14fcc3 LW	175	}
	176	elsif ($_ eq 'newer') {
	177	$out .= &tab;
	178	$file = shift;
	179	$newername = 'AGE_OF' . $file;
	180	$newername =~ s/[^\w]/_/g;
	181	$newername = '$' . $newername;
79072805	182	$out .= "(-M _ < $newername)";
fe14fcc3 LW	183	$initnewer .= "$newername = -M " . &quote($file) . ";\n";
	184	}
	185	elsif ($_ eq 'eval') {
	186	$prog = &quote(shift);
	187	$out .= &tab . "eval $prog";
	188	}
	189	elsif ($_ eq 'depth') {
	190	$depth++;
	191	next;
	192	}
	193	elsif ($_ eq 'ls') {
	194	$out .= &tab . "&ls";
	195	$initls++;
	196	}
	197	elsif ($_ eq 'tar') {
	198	$out .= &tab;
	199	die "-tar must have a filename argument\n" unless @ARGV;
	200	$file = shift;
	201	$fh = 'FH' . $file;
	202	$fh =~ s/[^\w]/_/g;
	203	$out .= "&tar($fh)";
	204	$file = '>' . $file;
	205	$initfile .= "open($fh, " . &quote($file) .
	206	qq{) \|\| die "Can't open $fh: \$!\\n";\n};
	207	$inittar++;
	208	$flushall = "\n&tflushall;\n";
	209	}
	210	elsif (/^n?cpio$/) {
	211	$depth++;
	212	$out .= &tab;
	213	die "-$_ must have a filename argument\n" unless @ARGV;
	214	$file = shift;
	215	$fh = 'FH' . $file;
	216	$fh =~ s/[^\w]/_/g;
	217	$out .= "&cpio('" . substr($_,0,1) . "', $fh)";
	218	$file = '>' . $file;
	219	$initfile .= "open($fh, " . &quote($file) .
	220	qq{) \|\| die "Can't open $fh: \$!\\n";\n};
	221	$initcpio++;
	222	$flushall = "\n&flushall;\n";
	223	}
	224	else {
	225	die "Unrecognized switch: -$_\n";
	226	}
	227	if (@ARGV) {
	228	if ($ARGV[0] eq '-o') {
6e21c824	229	{ local($statdone) = 1; $out .= "\n" . &tab . "\|\|\n"; }
1c3d792e LW	230	$statdone = 0 if $indent == 1 && $delayedstat;
1c3d792e LW	231	$saw_or++;
fe14fcc3 LW	232	shift;
	233	}
	234	else {
	235	$out .= " &&" unless $ARGV[0] eq ')';
	236	$out .= "\n";
	237	shift if $ARGV[0] eq '-a';
	238	}
	239	}
	240	}
	241
	242	print <<"END";
4633a7c4	243	$startperl
5f05dabc	244	eval 'exec $perlpath -S \$0 \${1+"\$@"}'
8adcabd8 LW	245	if \$running_under_some_shell;
8adcabd8 LW	246
fe14fcc3 LW	247	END
	248
	249	if ($initls) {
	250	print <<'END';
	251	@rwx = ('---','--x','-w-','-wx','r--','r-x','rw-','rwx');
	252	@moname = (Jan,Feb,Mar,Apr,May,Jun,Jul,Aug,Sep,Oct,Nov,Dec);
	253
	254	END
	255	}
	256
	257	if ($inituser \|\| $initls) {
	258	print 'while (($name, $pw, $uid) = getpwent) {', "\n";
	259	print ' $uid{$name} = $uid{$uid} = $uid;', "\n" if $inituser;
	260	print ' $user{$uid} = $name unless $user{$uid};', "\n" if $initls;
	261	print "}\n\n";
	262	}
	263
	264	if ($initgroup \|\| $initls) {
	265	print 'while (($name, $pw, $gid) = getgrent) {', "\n";
	266	print ' $gid{$name} = $gid{$gid} = $gid;', "\n" if $initgroup;
	267	print ' $group{$gid} = $name unless $group{$gid};', "\n" if $initls;
	268	print "}\n\n";
	269	}
	270
	271	print $initnewer, "\n" if $initnewer;
	272
	273	print $initfile, "\n" if $initfile;
	274
6e21c824	275	$find = $depth ? "finddepth" : "find";
fe14fcc3	276	print <<"END";
6e21c824 LW	277	require "$find.pl";
6e21c824 LW	278
fe14fcc3 LW	279	# Traverse desired filesystems
fe14fcc3 LW	280
6e21c824	281	&$find($roots);
fe14fcc3 LW	282	$flushall
	283	exit;
	284
	285	sub wanted {
	286	$out;
	287	}
	288
	289	END
	290
fe14fcc3 LW	291	if ($initexec) {
	292	print <<'END';
	293	sub exec {
	294	local($ok, @cmd) = @_;
	295	foreach $word (@cmd) {
	296	$word =~ s#{}#$name#g;
	297	}
	298	if ($ok) {
	299	local($old) = select(STDOUT);
	300	$\| = 1;
	301	print "@cmd";
	302	select($old);
	303	return 0 unless <STDIN> =~ /^y/;
	304	}
	305	chdir $cwd; # sigh
	306	system @cmd;
	307	chdir $dir;
	308	return !$?;
	309	}
	310
	311	END
	312	}
	313
	314	if ($initls) {
	315	print <<'END';
	316	sub ls {
	317	($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$sizemm,
	318	$atime,$mtime,$ctime,$blksize,$blocks) = lstat(_);
	319
	320	$pname = $name;
	321
	322	if (defined $blocks) {
	323	$blocks = int(($blocks + 1) / 2);
	324	}
	325	else {
	326	$blocks = int(($size + 1023) / 1024);
	327	}
	328
	329	if (-f _) { $perms = '-'; }
	330	elsif (-d _) { $perms = 'd'; }
	331	elsif (-c _) { $perms = 'c'; $sizemm = &sizemm; }
	332	elsif (-b _) { $perms = 'b'; $sizemm = &sizemm; }
	333	elsif (-p _) { $perms = 'p'; }
	334	elsif (-S _) { $perms = 's'; }
	335	else { $perms = 'l'; $pname .= ' -> ' . readlink($_); }
	336
	337	$tmpmode = $mode;
	338	$tmp = $rwx[$tmpmode & 7];
	339	$tmpmode >>= 3;
	340	$tmp = $rwx[$tmpmode & 7] . $tmp;
	341	$tmpmode >>= 3;
	342	$tmp = $rwx[$tmpmode & 7] . $tmp;
	343	substr($tmp,2,1) =~ tr/-x/Ss/ if -u _;
	344	substr($tmp,5,1) =~ tr/-x/Ss/ if -g _;
	345	substr($tmp,8,1) =~ tr/-x/Tt/ if -k _;
	346	$perms .= $tmp;
	347
	348	$user = $user{$uid} \|\| $uid;
	349	$group = $group{$gid} \|\| $gid;
	350
	351	($sec,$min,$hour,$mday,$mon,$year) = localtime($mtime);
	352	$moname = $moname[$mon];
	353	if (-M _ > 365.25 / 2) {
93a17b20	354	$timeyear = $year + 1900;
fe14fcc3 LW	355	}
	356	else {
	357	$timeyear = sprintf("%02d:%02d", $hour, $min);
	358	}
	359
	360	printf "%5lu %4ld %-10s %2d %-8s %-8s %8s %s %2d %5s %s\n",
	361	$ino,
	362	$blocks,
	363	$perms,
	364	$nlink,
	365	$user,
	366	$group,
	367	$sizemm,
	368	$moname,
	369	$mday,
	370	$timeyear,
	371	$pname;
	372	1;
	373	}
	374
	375	sub sizemm {
	376	sprintf("%3d, %3d", ($rdev >> 8) & 255, $rdev & 255);
	377	}
	378
	379	END
	380	}
	381
	382	if ($initcpio) {
	383	print <<'END';
	384	sub cpio {
	385	local($nc,$fh) = @_;
	386	local($text);
	387
	388	if ($name eq 'TRAILER!!!') {
	389	$text = '';
	390	$size = 0;
	391	}
	392	else {
	393	($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,
	394	$atime,$mtime,$ctime,$blksize,$blocks) = lstat(_);
	395	if (-f _) {
99b89507	396	open(IN, "./$_\0") \|\| do {
fe14fcc3 LW	397	warn "Couldn't open $name: $!\n";
	398	return;
	399	};
	400	}
	401	else {
	402	$text = readlink($_);
	403	$size = 0 unless defined $text;
	404	}
	405	}
	406
	407	($nm = $name) =~ s#^\./##;
	408	$nc{$fh} = $nc;
	409	if ($nc eq 'n') {
	410	$cpout{$fh} .=
	411	sprintf("%06o%06o%06o%06o%06o%06o%06o%06o%011lo%06o%011lo%s\0",
	412	070707,
	413	$dev & 0777777,
	414	$ino & 0777777,
	415	$mode & 0777777,
	416	$uid & 0777777,
	417	$gid & 0777777,
	418	$nlink & 0777777,
	419	$rdev & 0177777,
	420	$mtime,
	421	length($nm)+1,
	422	$size,
	423	$nm);
	424	}
	425	else {
	426	$cpout{$fh} .= "\0" if length($cpout{$fh}) & 1;
	427	$cpout{$fh} .= pack("SSSSSSSSLSLa*",
	428	070707, $dev, $ino, $mode, $uid, $gid, $nlink, $rdev, $mtime,
	429	length($nm)+1, $size, $nm . (length($nm) & 1 ? "\0" : "\0\0"));
	430	}
	431	if ($text ne '') {
	432	$cpout{$fh} .= $text;
	433	}
	434	elsif ($size) {
	435	&flush($fh) while ($l = length($cpout{$fh})) >= 5120;
	436	while (sysread(IN, $cpout{$fh}, 5120 - $l, $l)) {
	437	&flush($fh);
	438	$l = length($cpout{$fh});
	439	}
	440	}
	441	close IN;
	442	}
	443
	444	sub flush {
	445	local($fh) = @_;
	446
	447	while (length($cpout{$fh}) >= 5120) {
	448	syswrite($fh,$cpout{$fh},5120);
	449	++$blocks{$fh};
	450	substr($cpout{$fh}, 0, 5120) = '';
	451	}
	452	}
	453
	454	sub flushall {
	455	$name = 'TRAILER!!!';
	456	foreach $fh (keys %cpout) {
	457	&cpio($nc{$fh},$fh);
	458	$cpout{$fh} .= "0" x (5120 - length($cpout{$fh}));
	459	&flush($fh);
	460	print $blocks{$fh} * 10, " blocks\n";
461	}
462	}
463
464	END
465	}
466
467	if ($inittar) {
468	print <<'END';
469	sub tar {
470	local($fh) = @_;
471	local($linkname,$header,$l,$slop);
472	local($linkflag) = "\0";
473
474	($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,
475	$atime,$mtime,$ctime,$blksize,$blocks) = lstat(_);
476	$nm = $name;
477	if ($nlink > 1) {
478	if ($linkname = $linkseen{$fh,$dev,$ino}) {
479	$linkflag = 1;
480	}
481	else {
482	$linkseen{$fh,$dev,$ino} = $nm;
483	}
484	}
485	if (-f _) {
99b89507	486	open(IN, "./$_\0") \|\| do {
fe14fcc3 LW	487	warn "Couldn't open $name: $!\n";
	488	return;
	489	};
	490	$size = 0 if $linkflag ne "\0";
	491	}
	492	else {
	493	$linkname = readlink($_);
	494	$linkflag = 2 if defined $linkname;
	495	$nm .= '/' if -d _;
	496	$size = 0;
	497	}
	498
	499	$header = pack("a100a8a8a8a12a12a8a1a100",
	500	$nm,
	501	sprintf("%6o ", $mode & 0777),
	502	sprintf("%6o ", $uid & 0777777),
	503	sprintf("%6o ", $gid & 0777777),
	504	sprintf("%11o ", $size),
	505	sprintf("%11o ", $mtime),
	506	" ",
	507	$linkflag,
	508	$linkname);
	509	$l = length($header) % 512;
	510	substr($header, 148, 6) = sprintf("%6o", unpack("%16C*", $header));
	511	substr($header, 154, 1) = "\0"; # blech
	512	$tarout{$fh} .= $header;
	513	$tarout{$fh} .= "\0" x (512 - $l) if $l;
	514	if ($size) {
	515	&tflush($fh) while ($l = length($tarout{$fh})) >= 10240;
	516	while (sysread(IN, $tarout{$fh}, 10240 - $l, $l)) {
	517	$slop = length($tarout{$fh}) % 512;
	518	$tarout{$fh} .= "\0" x (512 - $slop) if $slop;
	519	&tflush($fh);
	520	$l = length($tarout{$fh});
	521	}
	522	}
	523	close IN;
	524	}
	525
	526	sub tflush {
	527	local($fh) = @_;
	528
	529	while (length($tarout{$fh}) >= 10240) {
	530	syswrite($fh,$tarout{$fh},10240);
	531	++$blocks{$fh};
	532	substr($tarout{$fh}, 0, 10240) = '';
	533	}
	534	}
	535
	536	sub tflushall {
	537	local($len);
	538
	539	foreach $fh (keys %tarout) {
	540	$len = 10240 - length($tarout{$fh});
	541	$len += 10240 if $len < 1024;
	542	$tarout{$fh} .= "\0" x $len;
	543	&tflush($fh);
	544	}
	545	}
	546
	547	END
	548	}
	549
	550	exit;
551
552	############################################################################
553
554	sub tab {
555	local($tabstring);
556
557	$tabstring = "\t" x ($indent / 2) . ' ' x ($indent % 2 * 4);
1c3d792e	558	if (!$statdone) {
8adcabd8	559	if ($_ =~ /^(name\|print\|prune\|exec\|ok\|\(\|\))/) {
1c3d792e LW	560	$delayedstat++;
	561	}
	562	else {
	563	if ($saw_or) {
	564	$tabstring .= <<'ENDOFSTAT' . $tabstring;
	565	($nlink \|\| (($dev,$ino,$mode,$nlink,$uid,$gid) = lstat($_))) &&
	566	ENDOFSTAT
	567	}
	568	else {
	569	$tabstring .= <<'ENDOFSTAT' . $tabstring;
fe14fcc3 LW	570	(($dev,$ino,$mode,$nlink,$uid,$gid) = lstat($_)) &&
fe14fcc3 LW	571	ENDOFSTAT
1c3d792e	572	}
fe14fcc3 LW	573	$statdone = 1;
	574	}
	575	}
	576	$tabstring =~ s/^\s+/ / if $out =~ /!$/;
	577	$tabstring;
	578	}
	579
	580	sub fileglob_to_re {
	581	local($tmp) = @_;
	582
79072805	583	$tmp =~ s#([./^\$()])#\\$1#g;
fe14fcc3	584	$tmp =~ s/([?*])/.$1/g;
8990e307	585	"^$tmp\$";
fe14fcc3 LW	586	}
	587
	588	sub n {
	589	local($n) = @_;
	590
1c3d792e LW	591	$n =~ s/^-/< / \|\| $n =~ s/^\+/> / \|\| $n =~ s/^/== /;
1c3d792e LW	592	$n =~ s/ 0*(\d)/ $1/;
79072805	593	$n . ')';
fe14fcc3 LW	594	}
	595
	596	sub quote {
	597	local($string) = @_;
	598	$string =~ s/'/\\'/;
	599	"'$string'";
	600	}
	601	!NO!SUBS!
4633a7c4 LW	602
	603	close OUT or die "Can't close $file: $!";
	604	chmod 0755, $file or die "Can't reset permissions for $file: $!\n";
	605	exec("$Config{'eunicefix'} $file") if $Config{'eunicefix'} ne ':';