get the terminal's size
Peter Otten
__peter__ at web.de
Mon Jan 14 11:52:06 EST 2019
Grant Edwards wrote:
os.environ["COLUMNS"]
> [...] will tell you the terminal size at the time Python was started.
I admit that none of my scripts is ambitious enough to try and track changes
in terminal size.
But still, Grant's post prompted me to reread the doc and source of
shutil.get_terminal_size(), and I think I should warn you that the
environment variables take precedence over ioctl()-based detection in
os.get_terminal_size().
I'll keep the exports for now because even for a pipe
$ python3 -c 'import shutil; print(shutil.get_terminal_size())' | cat
os.terminal_size(columns=80, lines=24)
$ export LINES COLUMNS
$ python3 -c 'import shutil; print(shutil.get_terminal_size())' | cat
os.terminal_size(columns=137, lines=42)
the current terminal is usually my final target.
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