# delfile.c

    #include "common.h"
    #include "string.h"
    #include "pathutils.h"
    #include <stdlib.h>
    #include <limits.h>

    void delfile_usage(void);
    void delfile_function(char *);
    void delfile_command(int, char **);

    extern LIBMTP_mtpdevice_t *device;
    extern LIBMTP_folder_t *folders;
    extern LIBMTP_file_t *files;

    void delfile_usage(void)
    {
      printf("Usage: delfile [-n] <fileid/trackid> | -f <filename>\n");
    }

    void
    delfile_function(char * path)
    {
      uint32_t id = parse_path (path,files,folders);

      if (id > 0) {
        printf("Deleting %s which has item_id:%d\n",path,id);
        int ret = 1;
        ret = LIBMTP_Delete_Object(device, id);
        if (ret != 0) {
          LIBMTP_Dump_Errorstack(device);
          LIBMTP_Clear_Errorstack(device);
          printf("Failed to remove file\n");
        }
      }
    }

    void delfile_command(int argc, char **argv)
    {
      int FILENAME = 1;
      int ITEMID = 2;
      int field_type = 0;
      int i;

      if ( argc > 2 ) {
        if (strncmp(argv[1],"-f",2) == 0) {
          field_type = FILENAME;
          strcpy(argv[1],"");
        } else if (strncmp(argv[1],"-n",2) == 0) {
          field_type = ITEMID;
          strcpy(argv[1],"0");
        } else {
          delfile_usage();
          return;
        }
      } else {
        delfile_usage();
        return;
      }

      for (i=1;i<argc;i++) {
        uint32_t id;
        char *endptr;
        int ret = 0;

        if (field_type == ITEMID) {
          // Sanity check song ID
          id = strtoul(argv[i], &endptr, 10);
          if ( *endptr != 0 ) {
            fprintf(stderr, "illegal value %s .. skipping\n", argv[i]);
            id = 0;
          }
        } else {
          if (strlen(argv[i]) > 0) {
            id = parse_path (argv[i],files,folders);
          } else {
            id = 0;
          }
        }
        if (id > 0 ) {
          printf("Deleting %s\n",argv[i]);
          ret = LIBMTP_Delete_Object(device, id);
        }
        if ( ret != 0 ) {
          printf("Failed to delete file:%s\n",argv[i]);
          LIBMTP_Dump_Errorstack(device);
          LIBMTP_Clear_Errorstack(device);
          ret = 1;
        }
      }
    }