BSD 4_4 development
[unix-history] / usr / contrib / bin / find2perl
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d19794d1
C
1#!/usr/contrib/bin/perl
2
3eval 'exec /usr/contrib/bin/perl -S $0 ${1+"$@"}'
4 if $running_under_some_shell;
5
6$bin = "/usr/contrib/bin";
7
8
9while ($ARGV[0] =~ /^[^-!(]/) {
10 push(@roots, shift);
11}
12@roots = ('.') unless @roots;
13for (@roots) { $_ = &quote($_); }
14$roots = join(',', @roots);
15
16$indent = 1;
17
18while (@ARGV) {
19 $_ = shift;
20 s/^-// || /^[()!]/ || die "Unrecognized switch: $_\n";
21 if ($_ eq '(') {
22 $out .= &tab . "(\n";
23 $indent++;
24 next;
25 }
26 elsif ($_ eq ')') {
27 $indent--;
28 $out .= &tab . ")";
29 }
30 elsif ($_ eq '!') {
31 $out .= &tab . "!";
32 next;
33 }
34 elsif ($_ eq 'name') {
35 $out .= &tab;
36 $pat = &fileglob_to_re(shift);
37 $out .= '/' . $pat . "/";
38 }
39 elsif ($_ eq 'perm') {
40 $onum = shift;
41 die "Malformed -perm argument: $onum\n" unless $onum =~ /^-?[0-7]+$/;
42 if ($onum =~ s/^-//) {
43 $onum = '0' . sprintf("%o", oct($onum) & 017777); # s/b 07777 ?
44 $out .= &tab . "((\$mode & $onum) == $onum)";
45 }
46 else {
47 $onum = '0' . $onum unless $onum =~ /^0/;
48 $out .= &tab . "((\$mode & 0777) == $onum)";
49 }
50 }
51 elsif ($_ eq 'type') {
52 ($filetest = shift) =~ tr/s/S/;
53 $out .= &tab . "-$filetest _";
54 }
55 elsif ($_ eq 'print') {
56 $out .= &tab . 'print("$name\n")';
57 }
58 elsif ($_ eq 'print0') {
59 $out .= &tab . 'print("$name\0")';
60 }
61 elsif ($_ eq 'fstype') {
62 $out .= &tab;
63 $type = shift;
64 if ($type eq 'nfs')
65 { $out .= '$dev < 0'; }
66 else
67 { $out .= '$dev >= 0'; }
68 }
69 elsif ($_ eq 'user') {
70 $uname = shift;
71 $out .= &tab . "\$uid == \$uid{'$uname'}";
72 $inituser++;
73 }
74 elsif ($_ eq 'group') {
75 $gname = shift;
76 $out .= &tab . "\$gid == \$gid{'$gname'}";
77 $initgroup++;
78 }
79 elsif ($_ eq 'nouser') {
80 $out .= &tab . '!defined $uid{$uid}';
81 $inituser++;
82 }
83 elsif ($_ eq 'nogroup') {
84 $out .= &tab . '!defined $gid{$gid}';
85 $initgroup++;
86 }
87 elsif ($_ eq 'links') {
88 $out .= &tab . '$nlink ' . &n(shift);
89 }
90 elsif ($_ eq 'inum') {
91 $out .= &tab . '$ino ' . &n(shift);
92 }
93 elsif ($_ eq 'size') {
94 $out .= &tab . 'int((-s _ + 511) / 512) ' . &n(shift);
95 }
96 elsif ($_ eq 'atime') {
97 $out .= &tab . 'int(-A _) ' . &n(shift);
98 }
99 elsif ($_ eq 'mtime') {
100 $out .= &tab . 'int(-M _) ' . &n(shift);
101 }
102 elsif ($_ eq 'ctime') {
103 $out .= &tab . 'int(-C _) ' . &n(shift);
104 }
105 elsif ($_ eq 'exec') {
106 for (@cmd = (); @ARGV && $ARGV[0] ne ';'; push(@cmd,shift)) { }
107 shift;
108 $_ = "@cmd";
109 if (m#^(/bin/)?rm -f {}$#) {
110 if (!@ARGV) {
111 $out .= &tab . 'unlink($_)';
112 }
113 else {
114 $out .= &tab . '(unlink($_) || 1)';
115 }
116 }
117 elsif (m#^(/bin/)?rm {}$#) {
118 $out .= &tab . '(unlink($_) || warn "$name: $!\n")';
119 }
120 else {
121 for (@cmd) { s/'/\\'/g; }
122 $" = "','";
123 $out .= &tab . "&exec(0, '@cmd')";
124 $" = ' ';
125 $initexec++;
126 }
127 }
128 elsif ($_ eq 'ok') {
129 for (@cmd = (); @ARGV && $ARGV[0] ne ';'; push(@cmd,shift)) { }
130 shift;
131 for (@cmd) { s/'/\\'/g; }
132 $" = "','";
133 $out .= &tab . "&exec(1, '@cmd')";
134 $" = ' ';
135 $initexec++;
136 }
137 elsif ($_ eq 'prune') {
138 $out .= &tab . '($prune = 1)';
139 }
140 elsif ($_ eq 'xdev') {
141 $out .= &tab . '(($prune |= ($dev != $topdev)),1)';
142 }
143 elsif ($_ eq 'newer') {
144 $out .= &tab;
145 $file = shift;
146 $newername = 'AGE_OF' . $file;
147 $newername =~ s/[^\w]/_/g;
148 $newername = '$' . $newername;
149 $out .= "-M _ < $newername";
150 $initnewer .= "$newername = -M " . &quote($file) . ";\n";
151 }
152 elsif ($_ eq 'eval') {
153 $prog = &quote(shift);
154 $out .= &tab . "eval $prog";
155 }
156 elsif ($_ eq 'depth') {
157 $depth++;
158 next;
159 }
160 elsif ($_ eq 'ls') {
161 $out .= &tab . "&ls";
162 $initls++;
163 }
164 elsif ($_ eq 'tar') {
165 $out .= &tab;
166 die "-tar must have a filename argument\n" unless @ARGV;
167 $file = shift;
168 $fh = 'FH' . $file;
169 $fh =~ s/[^\w]/_/g;
170 $out .= "&tar($fh)";
171 $file = '>' . $file;
172 $initfile .= "open($fh, " . &quote($file) .
173 qq{) || die "Can't open $fh: \$!\\n";\n};
174 $inittar++;
175 $flushall = "\n&tflushall;\n";
176 }
177 elsif (/^n?cpio$/) {
178 $depth++;
179 $out .= &tab;
180 die "-$_ must have a filename argument\n" unless @ARGV;
181 $file = shift;
182 $fh = 'FH' . $file;
183 $fh =~ s/[^\w]/_/g;
184 $out .= "&cpio('" . substr($_,0,1) . "', $fh)";
185 $file = '>' . $file;
186 $initfile .= "open($fh, " . &quote($file) .
187 qq{) || die "Can't open $fh: \$!\\n";\n};
188 $initcpio++;
189 $flushall = "\n&flushall;\n";
190 }
191 else {
192 die "Unrecognized switch: -$_\n";
193 }
194 if (@ARGV) {
195 if ($ARGV[0] eq '-o') {
196 { local($statdone) = 1; $out .= "\n" . &tab . "||\n"; }
197 $statdone = 0 if $indent == 1 && $delayedstat;
198 $saw_or++;
199 shift;
200 }
201 else {
202 $out .= " &&" unless $ARGV[0] eq ')';
203 $out .= "\n";
204 shift if $ARGV[0] eq '-a';
205 }
206 }
207}
208
209print <<"END";
210#!$bin/perl
211
212eval 'exec $bin/perl -S \$0 \${1+"\$@"}'
213 if \$running_under_some_shell;
214
215END
216
217if ($initls) {
218 print <<'END';
219@rwx = ('---','--x','-w-','-wx','r--','r-x','rw-','rwx');
220@moname = (Jan,Feb,Mar,Apr,May,Jun,Jul,Aug,Sep,Oct,Nov,Dec);
221
222END
223}
224
225if ($inituser || $initls) {
226 print 'while (($name, $pw, $uid) = getpwent) {', "\n";
227 print ' $uid{$name} = $uid{$uid} = $uid;', "\n" if $inituser;
228 print ' $user{$uid} = $name unless $user{$uid};', "\n" if $initls;
229 print "}\n\n";
230}
231
232if ($initgroup || $initls) {
233 print 'while (($name, $pw, $gid) = getgrent) {', "\n";
234 print ' $gid{$name} = $gid{$gid} = $gid;', "\n" if $initgroup;
235 print ' $group{$gid} = $name unless $group{$gid};', "\n" if $initls;
236 print "}\n\n";
237}
238
239print $initnewer, "\n" if $initnewer;
240
241print $initfile, "\n" if $initfile;
242
243$find = $depth ? "finddepth" : "find";
244print <<"END";
245require "$find.pl";
246
247# Traverse desired filesystems
248
249&$find($roots);
250$flushall
251exit;
252
253sub wanted {
254$out;
255}
256
257END
258
259if ($initexec) {
260 print <<'END';
261sub exec {
262 local($ok, @cmd) = @_;
263 foreach $word (@cmd) {
264 $word =~ s#{}#$name#g;
265 }
266 if ($ok) {
267 local($old) = select(STDOUT);
268 $| = 1;
269 print "@cmd";
270 select($old);
271 return 0 unless <STDIN> =~ /^y/;
272 }
273 chdir $cwd; # sigh
274 system @cmd;
275 chdir $dir;
276 return !$?;
277}
278
279END
280}
281
282if ($initls) {
283 print <<'END';
284sub ls {
285 ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$sizemm,
286 $atime,$mtime,$ctime,$blksize,$blocks) = lstat(_);
287
288 $pname = $name;
289
290 if (defined $blocks) {
291 $blocks = int(($blocks + 1) / 2);
292 }
293 else {
294 $blocks = int(($size + 1023) / 1024);
295 }
296
297 if (-f _) { $perms = '-'; }
298 elsif (-d _) { $perms = 'd'; }
299 elsif (-c _) { $perms = 'c'; $sizemm = &sizemm; }
300 elsif (-b _) { $perms = 'b'; $sizemm = &sizemm; }
301 elsif (-p _) { $perms = 'p'; }
302 elsif (-S _) { $perms = 's'; }
303 else { $perms = 'l'; $pname .= ' -> ' . readlink($_); }
304
305 $tmpmode = $mode;
306 $tmp = $rwx[$tmpmode & 7];
307 $tmpmode >>= 3;
308 $tmp = $rwx[$tmpmode & 7] . $tmp;
309 $tmpmode >>= 3;
310 $tmp = $rwx[$tmpmode & 7] . $tmp;
311 substr($tmp,2,1) =~ tr/-x/Ss/ if -u _;
312 substr($tmp,5,1) =~ tr/-x/Ss/ if -g _;
313 substr($tmp,8,1) =~ tr/-x/Tt/ if -k _;
314 $perms .= $tmp;
315
316 $user = $user{$uid} || $uid;
317 $group = $group{$gid} || $gid;
318
319 ($sec,$min,$hour,$mday,$mon,$year) = localtime($mtime);
320 $moname = $moname[$mon];
321 if (-M _ > 365.25 / 2) {
322 $timeyear = '19' . $year;
323 }
324 else {
325 $timeyear = sprintf("%02d:%02d", $hour, $min);
326 }
327
328 printf "%5lu %4ld %-10s %2d %-8s %-8s %8s %s %2d %5s %s\n",
329 $ino,
330 $blocks,
331 $perms,
332 $nlink,
333 $user,
334 $group,
335 $sizemm,
336 $moname,
337 $mday,
338 $timeyear,
339 $pname;
340 1;
341}
342
343sub sizemm {
344 sprintf("%3d, %3d", ($rdev >> 8) & 255, $rdev & 255);
345}
346
347END
348}
349
350if ($initcpio) {
351print <<'END';
352sub cpio {
353 local($nc,$fh) = @_;
354 local($text);
355
356 if ($name eq 'TRAILER!!!') {
357 $text = '';
358 $size = 0;
359 }
360 else {
361 ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,
362 $atime,$mtime,$ctime,$blksize,$blocks) = lstat(_);
363 if (-f _) {
364 open(IN, "./$_\0") || do {
365 warn "Couldn't open $name: $!\n";
366 return;
367 };
368 }
369 else {
370 $text = readlink($_);
371 $size = 0 unless defined $text;
372 }
373 }
374
375 ($nm = $name) =~ s#^\./##;
376 $nc{$fh} = $nc;
377 if ($nc eq 'n') {
378 $cpout{$fh} .=
379 sprintf("%06o%06o%06o%06o%06o%06o%06o%06o%011lo%06o%011lo%s\0",
380 070707,
381 $dev & 0777777,
382 $ino & 0777777,
383 $mode & 0777777,
384 $uid & 0777777,
385 $gid & 0777777,
386 $nlink & 0777777,
387 $rdev & 0177777,
388 $mtime,
389 length($nm)+1,
390 $size,
391 $nm);
392 }
393 else {
394 $cpout{$fh} .= "\0" if length($cpout{$fh}) & 1;
395 $cpout{$fh} .= pack("SSSSSSSSLSLa*",
396 070707, $dev, $ino, $mode, $uid, $gid, $nlink, $rdev, $mtime,
397 length($nm)+1, $size, $nm . (length($nm) & 1 ? "\0" : "\0\0"));
398 }
399 if ($text ne '') {
400 $cpout{$fh} .= $text;
401 }
402 elsif ($size) {
403 &flush($fh) while ($l = length($cpout{$fh})) >= 5120;
404 while (sysread(IN, $cpout{$fh}, 5120 - $l, $l)) {
405 &flush($fh);
406 $l = length($cpout{$fh});
407 }
408 }
409 close IN;
410}
411
412sub flush {
413 local($fh) = @_;
414
415 while (length($cpout{$fh}) >= 5120) {
416 syswrite($fh,$cpout{$fh},5120);
417 ++$blocks{$fh};
418 substr($cpout{$fh}, 0, 5120) = '';
419 }
420}
421
422sub flushall {
423 $name = 'TRAILER!!!';
424 foreach $fh (keys %cpout) {
425 &cpio($nc{$fh},$fh);
426 $cpout{$fh} .= "0" x (5120 - length($cpout{$fh}));
427 &flush($fh);
428 print $blocks{$fh} * 10, " blocks\n";
429 }
430}
431
432END
433}
434
435if ($inittar) {
436print <<'END';
437sub tar {
438 local($fh) = @_;
439 local($linkname,$header,$l,$slop);
440 local($linkflag) = "\0";
441
442 ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,
443 $atime,$mtime,$ctime,$blksize,$blocks) = lstat(_);
444 $nm = $name;
445 if ($nlink > 1) {
446 if ($linkname = $linkseen{$fh,$dev,$ino}) {
447 $linkflag = 1;
448 }
449 else {
450 $linkseen{$fh,$dev,$ino} = $nm;
451 }
452 }
453 if (-f _) {
454 open(IN, "./$_\0") || do {
455 warn "Couldn't open $name: $!\n";
456 return;
457 };
458 $size = 0 if $linkflag ne "\0";
459 }
460 else {
461 $linkname = readlink($_);
462 $linkflag = 2 if defined $linkname;
463 $nm .= '/' if -d _;
464 $size = 0;
465 }
466
467 $header = pack("a100a8a8a8a12a12a8a1a100",
468 $nm,
469 sprintf("%6o ", $mode & 0777),
470 sprintf("%6o ", $uid & 0777777),
471 sprintf("%6o ", $gid & 0777777),
472 sprintf("%11o ", $size),
473 sprintf("%11o ", $mtime),
474 " ",
475 $linkflag,
476 $linkname);
477 $l = length($header) % 512;
478 substr($header, 148, 6) = sprintf("%6o", unpack("%16C*", $header));
479 substr($header, 154, 1) = "\0"; # blech
480 $tarout{$fh} .= $header;
481 $tarout{$fh} .= "\0" x (512 - $l) if $l;
482 if ($size) {
483 &tflush($fh) while ($l = length($tarout{$fh})) >= 10240;
484 while (sysread(IN, $tarout{$fh}, 10240 - $l, $l)) {
485 $slop = length($tarout{$fh}) % 512;
486 $tarout{$fh} .= "\0" x (512 - $slop) if $slop;
487 &tflush($fh);
488 $l = length($tarout{$fh});
489 }
490 }
491 close IN;
492}
493
494sub tflush {
495 local($fh) = @_;
496
497 while (length($tarout{$fh}) >= 10240) {
498 syswrite($fh,$tarout{$fh},10240);
499 ++$blocks{$fh};
500 substr($tarout{$fh}, 0, 10240) = '';
501 }
502}
503
504sub tflushall {
505 local($len);
506
507 foreach $fh (keys %tarout) {
508 $len = 10240 - length($tarout{$fh});
509 $len += 10240 if $len < 1024;
510 $tarout{$fh} .= "\0" x $len;
511 &tflush($fh);
512 }
513}
514
515END
516}
517
518exit;
519
520############################################################################
521
522sub tab {
523 local($tabstring);
524
525 $tabstring = "\t" x ($indent / 2) . ' ' x ($indent % 2 * 4);
526 if (!$statdone) {
527 if ($_ =~ /^(name|print|prune|exec|ok|\(|\))/) {
528 $delayedstat++;
529 }
530 else {
531 if ($saw_or) {
532 $tabstring .= <<'ENDOFSTAT' . $tabstring;
533($nlink || (($dev,$ino,$mode,$nlink,$uid,$gid) = lstat($_))) &&
534ENDOFSTAT
535 }
536 else {
537 $tabstring .= <<'ENDOFSTAT' . $tabstring;
538(($dev,$ino,$mode,$nlink,$uid,$gid) = lstat($_)) &&
539ENDOFSTAT
540 }
541 $statdone = 1;
542 }
543 }
544 $tabstring =~ s/^\s+/ / if $out =~ /!$/;
545 $tabstring;
546}
547
548sub fileglob_to_re {
549 local($tmp) = @_;
550
551 $tmp =~ s/([.^\$()])/\\$1/g;
552 $tmp =~ s/([?*])/.$1/g;
553 "^$tmp$";
554}
555
556sub n {
557 local($n) = @_;
558
559 $n =~ s/^-/< / || $n =~ s/^\+/> / || $n =~ s/^/== /;
560 $n =~ s/ 0*(\d)/ $1/;
561 $n;
562}
563
564sub quote {
565 local($string) = @_;
566 $string =~ s/'/\\'/;
567 "'$string'";
568}