1994-05-27 12:33:43 +00:00
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/*
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* Copyright (c) 1988, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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2001-12-11 23:36:25 +00:00
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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1994-05-27 12:33:43 +00:00
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#ifndef lint
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1997-08-18 07:24:58 +00:00
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static const char copyright[] =
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1994-05-27 12:33:43 +00:00
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"@(#) Copyright (c) 1988, 1993\n\
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The Regents of the University of California. All rights reserved.\n";
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2001-12-11 23:36:25 +00:00
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#endif
|
1994-05-27 12:33:43 +00:00
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#ifndef lint
|
2001-12-11 23:36:25 +00:00
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static const char sccsid[] = "@(#)tr.c 8.2 (Berkeley) 5/4/95";
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1997-08-18 07:24:58 +00:00
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#endif
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1994-05-27 12:33:43 +00:00
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#include <sys/types.h>
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1997-03-11 13:43:33 +00:00
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2002-06-14 08:58:30 +00:00
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#include <ctype.h>
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1997-08-18 07:24:58 +00:00
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#include <err.h>
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2001-12-11 23:36:25 +00:00
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#include <locale.h>
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1994-05-27 12:33:43 +00:00
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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1997-03-11 13:43:33 +00:00
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#include <unistd.h>
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1994-05-27 12:33:43 +00:00
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#include "extern.h"
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2002-06-14 08:58:30 +00:00
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/*
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* For -C option: determine whether a byte is a valid character in the
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* current character set (as defined by LC_CTYPE).
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*/
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#define ISCHAR(c) (iscntrl(c) || isprint(c))
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1994-05-27 12:33:43 +00:00
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static int string1[NCHARS] = {
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0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* ASCII */
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0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
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0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
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0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
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0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
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0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
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0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
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0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
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0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
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0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
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0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
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0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
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0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
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0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
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0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
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0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
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0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
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0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
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0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
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0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
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0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
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0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
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0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
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0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
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0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
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0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
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0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
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0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
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0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
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0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
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0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
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0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff,
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}, string2[NCHARS];
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STR s1 = { STRING1, NORMAL, 0, OOBCH, { 0, OOBCH }, NULL, NULL };
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STR s2 = { STRING2, NORMAL, 0, OOBCH, { 0, OOBCH }, NULL, NULL };
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|
2002-06-14 08:58:30 +00:00
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|
static void setup(int *, char *, STR *, int, int);
|
2002-03-22 01:42:45 +00:00
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static void usage(void);
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1994-05-27 12:33:43 +00:00
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int
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main(argc, argv)
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int argc;
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char **argv;
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{
|
2001-12-11 23:36:25 +00:00
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int ch, cnt, lastch, *p;
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2002-06-14 08:58:30 +00:00
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int Cflag, cflag, dflag, sflag, isstring2;
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1994-05-27 12:33:43 +00:00
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2002-06-14 07:37:08 +00:00
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(void)setlocale(LC_ALL, "");
|
1995-10-28 22:27:03 +00:00
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2002-06-14 08:58:30 +00:00
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Cflag = cflag = dflag = sflag = 0;
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while ((ch = getopt(argc, argv, "Ccdsu")) != -1)
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1994-05-27 12:33:43 +00:00
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switch((char)ch) {
|
2002-06-14 08:58:30 +00:00
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case 'C':
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Cflag = 1;
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cflag = 0;
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break;
|
1994-05-27 12:33:43 +00:00
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case 'c':
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cflag = 1;
|
2002-06-14 08:58:30 +00:00
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Cflag = 0;
|
1994-05-27 12:33:43 +00:00
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|
break;
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case 'd':
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dflag = 1;
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break;
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case 's':
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sflag = 1;
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break;
|
1997-10-12 09:52:49 +00:00
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|
case 'u':
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|
setbuf(stdout, (char *)NULL);
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|
break;
|
1994-05-27 12:33:43 +00:00
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|
case '?':
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default:
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|
usage();
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|
}
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|
argc -= optind;
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|
argv += optind;
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|
switch(argc) {
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|
case 0:
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|
default:
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|
usage();
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|
/* NOTREACHED */
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case 1:
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|
isstring2 = 0;
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break;
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case 2:
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|
isstring2 = 1;
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break;
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}
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/*
|
2002-06-14 08:58:30 +00:00
|
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* tr -ds [-Cc] string1 string2
|
1994-05-27 12:33:43 +00:00
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|
* Delete all characters (or complemented characters) in string1.
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|
* Squeeze all characters in string2.
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|
*/
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|
if (dflag && sflag) {
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|
|
if (!isstring2)
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|
usage();
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|
2002-06-14 08:58:30 +00:00
|
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|
setup(string1, argv[0], &s1, cflag, Cflag);
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|
setup(string2, argv[1], &s2, 0, 0);
|
1995-05-30 06:41:30 +00:00
|
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|
1994-05-27 12:33:43 +00:00
|
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|
for (lastch = OOBCH; (ch = getchar()) != EOF;)
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|
|
if (!string1[ch] && (!string2[ch] || lastch != ch)) {
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|
lastch = ch;
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|
|
(void)putchar(ch);
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|
|
}
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|
exit(0);
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|
|
}
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|
|
/*
|
2002-06-14 08:58:30 +00:00
|
|
|
* tr -d [-Cc] string1
|
1994-05-27 12:33:43 +00:00
|
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|
* Delete all characters (or complemented characters) in string1.
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|
*/
|
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|
if (dflag) {
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|
|
if (isstring2)
|
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|
|
usage();
|
|
|
|
|
2002-06-14 08:58:30 +00:00
|
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|
setup(string1, argv[0], &s1, cflag, Cflag);
|
1994-05-27 12:33:43 +00:00
|
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|
|
|
|
|
while ((ch = getchar()) != EOF)
|
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|
|
if (!string1[ch])
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|
(void)putchar(ch);
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|
|
exit(0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
2002-06-14 08:58:30 +00:00
|
|
|
* tr -s [-Cc] string1
|
1994-05-27 12:33:43 +00:00
|
|
|
* Squeeze all characters (or complemented characters) in string1.
|
|
|
|
*/
|
|
|
|
if (sflag && !isstring2) {
|
2002-06-14 08:58:30 +00:00
|
|
|
setup(string1, argv[0], &s1, cflag, Cflag);
|
1994-05-27 12:33:43 +00:00
|
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|
|
|
|
|
for (lastch = OOBCH; (ch = getchar()) != EOF;)
|
|
|
|
if (!string1[ch] || lastch != ch) {
|
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|
|
lastch = ch;
|
|
|
|
(void)putchar(ch);
|
|
|
|
}
|
|
|
|
exit(0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
2002-06-14 08:58:30 +00:00
|
|
|
* tr [-Ccs] string1 string2
|
1994-05-27 12:33:43 +00:00
|
|
|
* Replace all characters (or complemented characters) in string1 with
|
|
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|
* the character in the same position in string2. If the -s option is
|
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|
* specified, squeeze all the characters in string2.
|
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|
|
*/
|
|
|
|
if (!isstring2)
|
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|
|
usage();
|
|
|
|
|
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|
|
s1.str = argv[0];
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|
s2.str = argv[1];
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|
2002-06-14 08:58:30 +00:00
|
|
|
if (cflag || Cflag)
|
1994-05-27 12:33:43 +00:00
|
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|
for (cnt = NCHARS, p = string1; cnt--;)
|
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|
|
*p++ = OOBCH;
|
|
|
|
|
|
|
|
if (!next(&s2))
|
1997-08-18 07:24:58 +00:00
|
|
|
errx(1, "empty string2");
|
1994-05-27 12:33:43 +00:00
|
|
|
|
2002-03-02 10:36:37 +00:00
|
|
|
ch = s2.lastch;
|
1994-05-27 12:33:43 +00:00
|
|
|
/* If string2 runs out of characters, use the last one specified. */
|
|
|
|
if (sflag)
|
|
|
|
while (next(&s1)) {
|
|
|
|
string1[s1.lastch] = ch = s2.lastch;
|
|
|
|
string2[ch] = 1;
|
|
|
|
(void)next(&s2);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
while (next(&s1)) {
|
|
|
|
string1[s1.lastch] = ch = s2.lastch;
|
|
|
|
(void)next(&s2);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (cflag)
|
|
|
|
for (cnt = 0, p = string1; cnt < NCHARS; ++p, ++cnt)
|
|
|
|
*p = *p == OOBCH ? ch : cnt;
|
2002-06-14 08:58:30 +00:00
|
|
|
else if (Cflag)
|
|
|
|
for (cnt = 0, p = string1; cnt < NCHARS; ++p, ++cnt)
|
|
|
|
*p = *p == OOBCH && ISCHAR(cnt) ? ch : cnt;
|
1994-05-27 12:33:43 +00:00
|
|
|
|
|
|
|
if (sflag)
|
|
|
|
for (lastch = OOBCH; (ch = getchar()) != EOF;) {
|
|
|
|
ch = string1[ch];
|
|
|
|
if (!string2[ch] || lastch != ch) {
|
|
|
|
lastch = ch;
|
|
|
|
(void)putchar(ch);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
while ((ch = getchar()) != EOF)
|
|
|
|
(void)putchar(string1[ch]);
|
|
|
|
exit (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2002-06-14 08:58:30 +00:00
|
|
|
setup(string, arg, str, cflag, Cflag)
|
1994-05-27 12:33:43 +00:00
|
|
|
int *string;
|
|
|
|
char *arg;
|
|
|
|
STR *str;
|
|
|
|
int cflag;
|
2002-06-14 08:58:30 +00:00
|
|
|
int Cflag;
|
1994-05-27 12:33:43 +00:00
|
|
|
{
|
2001-12-11 23:36:25 +00:00
|
|
|
int cnt, *p;
|
1994-05-27 12:33:43 +00:00
|
|
|
|
|
|
|
str->str = arg;
|
|
|
|
bzero(string, NCHARS * sizeof(int));
|
|
|
|
while (next(str))
|
|
|
|
string[str->lastch] = 1;
|
|
|
|
if (cflag)
|
|
|
|
for (p = string, cnt = NCHARS; cnt--; ++p)
|
|
|
|
*p = !*p;
|
2002-06-14 08:58:30 +00:00
|
|
|
else if (Cflag)
|
|
|
|
for (cnt = 0; cnt < NCHARS; cnt++)
|
|
|
|
string[cnt] = !string[cnt] && ISCHAR(cnt);
|
1994-05-27 12:33:43 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
usage()
|
|
|
|
{
|
1997-08-18 07:24:58 +00:00
|
|
|
(void)fprintf(stderr, "%s\n%s\n%s\n%s\n",
|
2002-06-14 08:58:30 +00:00
|
|
|
"usage: tr [-Ccsu] string1 string2",
|
|
|
|
" tr [-Ccu] -d string1",
|
|
|
|
" tr [-Ccu] -s string1",
|
|
|
|
" tr [-Ccu] -ds string1 string2");
|
1994-05-27 12:33:43 +00:00
|
|
|
exit(1);
|
|
|
|
}
|