Learning Julia

I/O operations

After having read about some filesystem operations, let's move on to I/O and network-related tasks. Here, we will be going through a list of some of the most used functions, while performing the operations mentioned earlier.

The STDOUT, STDERR, and STDIN are the three global variables inside Julia for denoting a standard output, error, and input stream respectively.

• open() function: This function is used to open up a file for the purpose of reading or writing a file. A very simple use case would be to create a file named sample.txt in your current directory, and open Julia REPL:

julia> file = open("sample.txt")
IOStream(<file sample.txt>)

julia> file
IOStream(<file sample.txt>)

Now, since the file is opened, what do we do ...