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-Erik
This commit is contained in:
Eric Andersen
1999-11-08 17:00:52 +00:00
parent 07e5297ca7
commit fbb39c83b6
8 changed files with 98 additions and 70 deletions
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59
grep.c
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@ -43,6 +43,33 @@ static const char grep_usage[] =
"This version of grep matches strings (not full regexps).\n";
#endif
int tellName=TRUE;
int ignoreCase=FALSE;
int tellLine=FALSE;
static do_grep(char* needle, char* haystack )
{
line = 0;
while (fgets (haystack, sizeof (haystack), fp)) {
line++;
cp = &haystack[strlen (haystack) - 1];
if (*cp != '\n')
fprintf (stderr, "%s: Line too long\n", name);
if (find_match(haystack, needle, ignoreCase) == TRUE) {
if (tellName==TRUE)
printf ("%s: ", name);
if (tellLine==TRUE)
printf ("%ld: ", line);
fputs (haystack, stdout);
}
}
}
extern int grep_main (int argc, char **argv)
{
@ -50,9 +77,6 @@ extern int grep_main (int argc, char **argv)
char *needle;
char *name;
char *cp;
int tellName=TRUE;
int ignoreCase=FALSE;
int tellLine=FALSE;
long line;
char haystack[BUF_SIZE];
@ -91,7 +115,16 @@ extern int grep_main (int argc, char **argv)
needle = *argv++;
argc--;
while (argc-- > 0) {
if (argc==0) {
file = stdin;
}
else
file = fopen(*argv, "r");
name = *argv++;
fp = fopen (name, "r");
@ -100,26 +133,6 @@ extern int grep_main (int argc, char **argv)
continue;
}
line = 0;
while (fgets (haystack, sizeof (haystack), fp)) {
line++;
cp = &haystack[strlen (haystack) - 1];
if (*cp != '\n')
fprintf (stderr, "%s: Line too long\n", name);
if (find_match(haystack, needle, ignoreCase) == TRUE) {
if (tellName==TRUE)
printf ("%s: ", name);
if (tellLine==TRUE)
printf ("%ld: ", line);
fputs (haystack, stdout);
}
}
if (ferror (fp))
perror (name);