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1.1
date	97.03.01.12.28.45;	author alexis;	state Exp;
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desc
@@


1.1
log
@Initial revision
@
text
@#include <stdio.h>

#define USAGE "Usage: %s [ -n tabsize ]\n"
#define DEFAULT_TABSIZE 8
char *progname;

main(argc, argv)
int argc;
char *argv[];
{
    char linbuf[1024];
    int i, o, j;
    char c;
    int tabsize;
    int inc;

    progname = argv[0];

    tabsize = DEFAULT_TABSIZE;

    while (argc > 1 && argv[1][0] == '-') {
	switch (argv[1][1]) {
	    case 'n': if (argc < 3 || sscanf(argv[2], "%d", &tabsize) != 1) {
			  fprintf(stderr, USAGE, progname);
			  exit(1);
		      }
		      break;
	    default:  fprintf(stderr, USAGE, progname);
		      exit(1);
	}
    }


    while (fgets(linbuf, sizeof(linbuf), stdin) != NULL) {
	for (i=0, o=0; i<strlen(linbuf); i++) {
            if (linbuf[i] != '\t') {
		inc = 1;
		c = linbuf[i];
	    } else {
		inc = tabsize - o % tabsize;
		c = ' ';
	    }
	    for (j=0; j<inc; j++, o++)
		putchar(c);
	}
    }
}
@