How will you truncate a file using Node?
Following is the syntax of the method to truncate an opened file:
fs.ftruncate(fd, len, callback)
Here is the description of the parameters used:
fd - This is the file descriptor returned by file fs.open() method.
len - This is the length of the file after which file will be truncated.
callback - This is the callback function which gets no arguments other than a possible exception are given to the completion callback.