[ file->doWithClose ]
Method
The [file->doWithClose] method takes a block of code and executes it and it makes sure that the [file] object the method is called on closes the file. The file will be closed if there is an error as well as if the code block successfully runs.
- Syntax
local(f) = file(...)
#f->doWithClose => {
}Examples
- Beginner
Display the contents of a file on a web page
The code below reads the contents of a file and outputs it to a web page encoding the line breaks as '<br>' tags
Code
local(my_file) = file('test.txt')
#my_file->doWithClose => {^
encode_break(#my_file->readBytes->asString)
^}Result
"Great Scott!"
"I know. This is heavy."
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