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- /*
- * Copyright (c) 1980 Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
- #ifndef lint
- char copyright[] =
- "@(#) Copyright (c) 1980 Regents of the University of California.\n\
- All rights reserved.\n";
- #endif /* not lint */
-
- #ifndef lint
- static char sccsid[] = "@(#)colrm.c 5.4 (Berkeley) 6/1/90";
- #endif /* not lint */
-
- #include <stdio.h>
- /*
- COLRM removes unwanted columns from a file
- Jeff Schriebman UC Berkeley 11-74
- */
-
-
- main(argc,argv)
- char **argv;
- {
- register c, ct, first, last;
-
- first = 0;
- last = 0;
- if (argc > 1)
- first = getn(*++argv);
- if (argc > 2)
- last = getn(*++argv);
-
- start:
- ct = 0;
- loop1:
- c = getc(stdin);
- if (feof(stdin))
- goto fin;
- if (c == '\t')
- ct = (ct + 8) & ~7;
- else if (c == '\b')
- ct = ct ? ct - 1 : 0;
- else
- ct++;
- if (c == '\n') {
- putc(c, stdout);
- goto start;
- }
- if (!first || ct < first) {
- putc(c, stdout);
- goto loop1;
- }
-
- /* Loop getting rid of characters */
- while (!last || ct < last) {
- c = getc(stdin);
- if (feof(stdin))
- goto fin;
- if (c == '\n') {
- putc(c, stdout);
- goto start;
- }
- if (c == '\t')
- ct = (ct + 8) & ~7;
- else if (c == '\b')
- ct = ct ? ct - 1 : 0;
- else
- ct++;
- }
-
- /* Output last of the line */
- for (;;) {
- c = getc(stdin);
- if (feof(stdin))
- break;
- putc(c, stdout);
- if (c == '\n')
- goto start;
- }
- fin:
- fflush(stdout);
- exit(0);
- }
-
- getn(ap)
- char *ap;
- {
- register int n,c;
- register char *p;
-
- p = ap;
- n = 0;
- while ((c = *p++) >= '0' && c <= '9')
- n = n*10 + c - '0';
- return(n);
- }
-