bitburner-src/doc/source/netscript/basicfunctions/write.rst

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write() Netscript Function
===========================
.. js:function:: write(port/fn, data="", mode="a")
:param string/number port/fn: Port or text file/script that will be written to
:param string data: Data to write
:param string mode: Defines the write mode. Only valid when writing to text files or scripts.
:RAM cost: 1 GB
This function can be used to either write data to a port, a text file (.txt), or a script (.script, .js, .ns)
If the first argument is a number between 1 and 20, then it specifies a port and this function will write *data* to that port. Read
about how :ref:`netscript_ports` work here. The third argument, *mode*, is not used
when writing to a port.
If the first argument is a string, then it specifies the name of a text file or script and this function will write *data* to that text file/script. If the
specified text file/script does not exist, then it will be created. The third argument *mode*, defines how the data will be written. If *mode*
is set to "w", then the data is written in "write" mode which means that it will overwrite all existing data on the text file/script. If *mode* is set to
any other value then the data will be written in "append" mode which means that the data will be added at the end of the file.