Function cat

components/dfs/dfs_v1/src/dfs_file.c:867–895

FINSH_FUNCTION_EXPORT(rm, remove files or directories);

void cat(const char *filename)
{
    struct dfs_file fd;
    int length = 0;
    char buffer[81];

    fd_init(&fd);
    if (dfs_file_open(&fd, filename, O_RDONLY) < 0)
    {
        rt_kprintf("Open %s failed\n", filename);

        return;
    }

    do
    {
        rt_memset(buffer, 0x0, sizeof(buffer));
        length = dfs_file_read(&fd, (void *)buffer, sizeof(buffer) - 1);
        if (length > 0)
        {
            buffer[length] = '\0';
            rt_device_t out_device = rt_console_get_device();
            rt_device_write(out_device, 0, (void *)buffer, length);
        }
    } while (length > 0);
    rt_kprintf("\n");

    dfs_file_close(&fd);
}
FINSH_FUNCTION_EXPORT(cat, print file);

#ifdef DFS_USING_POSIX