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BLDTST.C
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C/C++ Source or Header
|
1991-02-09
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1KB
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73 lines
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>
void Usage (void);
void
main (int argc, char *argv[]) {
FILE *F1;
char FileName[65];
char String[10];
char *Ptr;
long Count, j;
int i;
int Random = 0;
if (argc < 2) Usage();
strcpy(FileName, "test.dat");
for (i=1; i < argc; i++) {
if (argv[i][0] != '-') continue;
switch ( tolower(argv[i][1]) ) {
case 'r':
Random = 1;
break;
case 'f':
if (i < argc) strcpy(FileName, argv[i+1]);
else {
fprintf(stderr,"The '-f' option requires a file name.\n");
exit(1);
}
break;
default:
fprintf(stderr, "Invalid option: %s\n", argv[i]);
Usage();
}
}
for (i=1; i < argc; i++) {
if (argv[i][0] == '-') continue;
Count = strtol(argv[i], &Ptr, 10);
if (*Ptr != '\0') {
fprintf(stderr, "Invalid count: %s\n", argv[i]);
exit(1);
}
}
if ( (F1 = fopen(FileName, "w")) == NULL ) {
fprintf(stderr, "I can't create output file: %s", FileName);
perror("");
exit(1);
}
for (j=0; j < Count; j++) {
if (Random) sprintf(String, "%09d", rand() );
else sprintf(String, "%09.9ld", j);
String[9] = '\0';
if ( (j) && ( (j % 1000) == 0) ) printf(".");
fprintf(F1, "%s\n", String);
}
fclose(F1);
}
void
Usage (void) {
fprintf(stderr, "USAGE: bldtst [-r] [-f file_name] count\n");
exit(1);
}