🚀 go-pugleaf

Here are two files: shar.c, and crc.c. The crc's of them are:
64698   3843 crc.c
17812   1436 shar.c

------------------------ snip, snip, snip --------------------
echo Wrapped by des, on musashi
echo x - crc.c
sed '/^X/s///' > crc.c << '/'
X/* Compute checksum			Author: Johan W. Stevenson */
X
X#include <stdio.h>
X
Xint errs;
X
Xmain(argc, argv)
Xchar **argv;
X{
X  char line[256];
X
X  if (argc <= 1)
X	crc((char *) 0);
X  else if (argc == 2 && strcmp(argv[1], "-") == 0)
X	while (fgets(line, sizeof line, stdin) != NULL) {
X		if (line[strlen(line) - 1] = '\n')
X			line[strlen(line) - 1] = '\0';
X		crc(line);
X	}
X  else
X	do {
X		crc(argv[1]);
X		argv++;
X		argc--;
X	} while (argc > 1);
X  exit(errs != 0);
X}
X
X/* Crctab calculated by Mark G. Mendel, Network Systems Corporation */
Xstatic unsigned short crctab[256] = {
X       0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7,
X       0x8108, 0x9129, 0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef,
X       0x1231, 0x0210, 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6,
X       0x9339, 0x8318, 0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de,
X       0x2462, 0x3443, 0x0420, 0x1401, 0x64e6, 0x74c7, 0x44a4, 0x5485,
X       0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d,
X       0x3653, 0x2672, 0x1611, 0x0630, 0x76d7, 0x66f6, 0x5695, 0x46b4,
X       0xb75b, 0xa77a, 0x9719, 0x8738, 0xf7df, 0xe7fe, 0xd79d, 0xc7bc,
X       0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823,
X       0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b,
X       0x5af5, 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50, 0x3a33, 0x2a12,
X       0xdbfd, 0xcbdc, 0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a,
X       0x6ca6, 0x7c87, 0x4ce4, 0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41,
X       0xedae, 0xfd8f, 0xcdec, 0xddcd, 0xad2a, 0xbd0b, 0x8d68, 0x9d49,
X       0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0x0e70,
X       0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78,
X       0x9188, 0x81a9, 0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e, 0xe16f,
X       0x1080, 0x00a1, 0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067,
X       0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e,
X       0x02b1, 0x1290, 0x22f3, 0x32d2, 0x4235, 0x5214, 0x6277, 0x7256,
X       0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d,
X       0x34e2, 0x24c3, 0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
X       0xa7db, 0xb7fa, 0x8799, 0x97b8, 0xe75f, 0xf77e, 0xc71d, 0xd73c,
X       0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657, 0x7676, 0x4615, 0x5634,
X       0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab,
X       0x5844, 0x4865, 0x7806, 0x6827, 0x18c0, 0x08e1, 0x3882, 0x28a3,
X       0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a,
X       0x4a75, 0x5a54, 0x6a37, 0x7a16, 0x0af1, 0x1ad0, 0x2ab3, 0x3a92,
X       0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b, 0x9de8, 0x8dc9,
X       0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1,
X       0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8,
X        0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0
X};
X
X/* Updcrc macro derived from article Copyright (C) 1986 Stephen Satchell.
X *  NOTE: First argument must be in range 0 to 255.
X *        Second argument is referenced twice.
X *
X * Programmers may incorporate any or all code into their programs,
X * giving proper credit within the source. Publication of the
X * source routines is permitted so long as proper credit is given
X * to Stephen Satchell, Satchell Evaluations and Chuck Forsberg,
X * Omen Technology.
X */
X
X#define updcrc(cp, crc) ( crctab[((crc >> 8) & 255)] ^ (crc << 8) ^ cp)
X
Xcrc(fname)
Xchar *fname;
X{
X  register int c;
X  register int i;
X  register long len = 0;
X  register unsigned short crc = 0;
X  register FILE *fp;
X
X  if (fname == NULL)
X	fp = stdin;
X  else if ((fp = fopen(fname, "r")) == NULL) {
X	fprintf(stderr, "crc: cannot open %s\n", fname);
X	errs++;
X	return;
X  }
X  while ((c = getc(fp)) != EOF) {
X	len++;
X	crc = updcrc(c, crc);
X  }
X  printf("%05u %6ld", crc, len);
X  if (fname) {
X	printf(" %s", fname);
X	fclose(fp);
X  }
X  printf("\n");
X}
/
echo x - shar.c
sed '/^X/s///' > shar.c << '/'
X/* shar --
X *	make a shell archive		Author: Michiel Husijes
X *	Modified to compile on SGI m/c		Des Young (DWLY)
X */
X
X#include <sys/types.h>
X#include <sys/param.h>
X#include <fcntl.h>
X#include <stdio.h>
X
X#define IO_SIZE		(10 * BUFSIZ)
X
Xchar input[IO_SIZE];
Xchar output[IO_SIZE];
Xint ind = 0;
X
Xmain(argc, argv)
Xint argc;
Xregister char *argv[];
X{
X  register int i;
X  int namelen;
X  char *user;
X  char hostname[MAXHOSTNAMELEN];
X  static char userstring[] = "USER";
X  int fd;
X  extern char *getenv();
X
X  user = getenv(userstring);
X  gethostname(hostname,MAXHOSTNAMELEN);
X  printf("echo Wrapped by %s, on %s\n",user,hostname);
X  for (i = 1; i < argc; i++) {
X	if ((fd = open(argv[i], O_RDONLY)) < 0) {
X		write(2, "Cannot open ", 12);
X		write(2, argv[i], strlen(argv[i]));
X		write(2, ".\n", 2);
X	} else {
X		print("echo x - ");
X		print(argv[i]);
X		print("\nsed '/^X/s///' > ");
X		print(argv[i]);
X		print(" << '/'\n");
X		cat(fd);
X	}
X  }
X  if (ind) write(1, output, ind);
X  exit(0);
X}
X
Xcat(fd)
Xint fd;
X{
X  static char *current, *last;
X  register int r = 0;
X  register char *cur_pos = current;
X
X  putchar('X');
X  for (;;) {
X	if (cur_pos == last) {
X		if ((r = read(fd, input, IO_SIZE)) <= 0) break;
X		last = &input[r];
X		cur_pos = input;
X	}
X	putchar(*cur_pos);
X	if (*cur_pos++ == '\n' && cur_pos != last) putchar('X');
X  }
X  print("/\n");
X  (void) close(fd);
X  current = cur_pos;
X}
X
Xprint(str)
Xregister char *str;
X{
X  while (*str) putchar(*str++);
X}
/
--
trademarks abound, usual disclaimers apply, opinions are mine
des@pei.com	Des Young	(415) 335-1888
		Protocol Engines Inc., Mountain View, CA