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Idioms
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Idiom # 197: Get a list of lines from a file
Idiom # 197: Get a list of lines from a file
See
programming-idioms.org
:
Code
Code input
# NYI UNDER DEVELOPMENT: we need a more succinct way to do things like this lines := lm ! ()-> io.file.use _ lm path io.file.mode.read ()-> (io.buffered lm).read_lines
What are effects?
Runnable Example
Code input
ex197 is path := "src/idiom197ex.fz" lines := io.file.use _ path io.file.mode.read ()-> (io.buffered io.file.file_mutate).read_lines say lines
What are effects?
last changed: 2025-07-10
next: Idiom # 198: Abort program execution with error condition
