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#include <stdio.h>
#include <ctype.h>
int lflag; /* Want count lines */
int wflag; /* Want count words */
int cflag; /* Want count characters */
long lcount; /* File count of lines */
long wcount; /* File count of words */
long ccount; /* File count of characters */
long ltotal; /* Total count of lines */
long wtotal; /* Total count of words */
long ctotal; /* Total count of characters */
int
main(argc, argv)
int argc;
char **argv;
{
char *p;
int ar;
if (argc > 1 && argv[1][0] == '-')
{
for (p = argv[1] + 1; *p; p++)
{
switch (*p)
{
case 'l':
lflag++;
break;
case 'w':
wflag++;
break;
case 'c':
cflag++;
break;
default:
Usage();
}
}
argc--;
argv++;
}
/* If no flags are set, treat as wc -lwc. */
if (!lflag && !wflag && !cflag)
lflag = wflag = cflag = 1;
/* No filename, use stdin */
if (argc == 1)
{
count(stdin, "");
exit(0);
}
/* There is an explicit list of files. Loop on files. */
for (ar = 1; ar < argc; ar++)
{
FILE *f;
if ((f = fopen(argv[ar], "r")) == NULL)
fprintf(stderr, "wc: cannot open %s\n", argv[ar]);
else
{
count(f, argv[ar]);
fclose(f);
}
}
if (argc > 2)
{
if (lflag)
printf("%7ld ", ltotal);
if (wflag)
printf("%7ld ", wtotal);
if (cflag)
printf("%7ld ", ctotal);
printf("total\n");
}
exit(0);
}
count(f, fname)
FILE *f;
char *fname;
{
register int c;
register int inword = 0;
lcount = 0;
wcount = 0;
ccount = 0;
while ((c = getc(f)) != EOF)
{
ccount++;
if (isspace(c))
{
if (inword)
wcount++;
inword = 0;
}
else
inword = 1;
if (c == '\n' || c == '\f')
lcount++;
}
ltotal += lcount;
wtotal += wcount;
ctotal += ccount;
if (lflag)
printf("%7ld ", lcount);
if (wflag)
printf("%7ld ", wcount);
if (cflag)
printf("%7ld ", ccount);
if (fname && *fname)
printf("%s", fname);
printf("\n");
}
Usage()
{
fprintf(stderr, "Usage: wc [-lwc] [name ...]\n");
exit(1);
}
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