Created
June 24, 2021 06:05
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create directories for book chapters in the current path
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#include <stdio.h> | |
#include <stdlib.h> | |
#include <sys/stat.h> | |
#include <string.h> | |
#include <errno.h> | |
int main(int argc, char *argv[]) | |
{ | |
char *name = "Ch"; | |
int num; | |
if (argc < 3) | |
{ | |
printf("Usage: createdir from to\n"); | |
exit(EXIT_FAILURE); | |
} | |
if (sscanf(argv[1], "%d", &num) != 1) | |
{ | |
sprintf(stderr, "the input %s is not correct", argv[1]); | |
} | |
char *n; | |
char bufferName[10]; | |
int to; | |
if (sscanf(argv[2], "%d", &to) != 1) | |
{ | |
sprintf(stderr, "the input %s is not correct", argv[2]); | |
} | |
while (num < to) | |
{ | |
if (asprintf(&n, "%d", num) == -1) | |
{ | |
perror("asprintf"); | |
} | |
else | |
{ | |
strcat(strcpy(bufferName, name), n); | |
int ret = mkdir(bufferName, S_IRWXU); | |
if (ret == -1) | |
{ | |
switch (errno) | |
{ | |
case EACCES: | |
printf("the parent directory does not allow write"); | |
exit(EXIT_FAILURE); | |
case EEXIST: | |
printf("%s already exists\n", bufferName); | |
break; | |
case ENAMETOOLONG: | |
printf("pathname is too long\n"); | |
exit(EXIT_FAILURE); | |
default: | |
perror("mkdir"); | |
break; | |
} | |
} | |
else | |
{ | |
printf("Create directory %s\n", bufferName); | |
} | |
} | |
num++; | |
} | |
free(n); | |
exit(EXIT_SUCCESS); | |
} |
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