Thanks for the response but I left out the -f
ie. there is no documentation of how to exit tail -f
I now know it's ctrl c
Neil
Pádraig Brady wrote:
Neil Adair wrote:
Why isn't the command to exit tail in the man page?
tail is not an interactive program and
so will not parse commands you enter.
It is known as a filter and just reads stdin and
writes to stdout.
So if you just type `tail`, it will block
reading from stdin which will be connected
to your terminal. You can indicate an end of file
from the terminal with the Ctrl-d key combination.
Now perhaps we could have logic in tail to do:
if (isatty(stdin) && isatty(sterr)) {
fprintf(stderr,"Hit Ctrl-d to end\n");
}
Can anyone think of non human interactions
between tail and terminals where the above
wouldn't be appropriate?
cheers,
Pádraig.
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