How will you truncate a file using Node?

1.	How will you truncate a file using Node?
Answer» Following is the syntax of the method to truncate an opened file − fs.ftruncate(fd, len, callback) Parameters 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.

Answer»

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.

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