I have a program which produces useful information on stdout but also reads from stdin. I want to redirect its standard output to a file without providing anything on standard input. So far, so goo...

To kill the outer loop I usually add a sleep command and press CTRL-C some more times: while :; do LONGTIME_COMMAND; sleep 1; done. Please notice: the colon behind while is interpreded as …

Jul 3, 2023 · I am doing a unix script using until loop.The idea of my script is it need to continuously verify the url status whether is up or down.When its up, it will exit the loop. In my script, I will use c...

Aug 7, 2011 · I encountered the following in /var/log/syslog on Ubuntu 14.04. Mar 24 09:41:19 ripple pulseaudio[4838]: [autospawn] core-util.c: Failed to create secure directory (/run/user/112/pulse): No …

Apr 9, 2021 · Also, in while [ true ], the test checks if true is a non-empty string. It obviously is, so this does work in giving an endless loop. But [ false ] would also be always true, so a test like that is …

Aug 6, 2025 · After a recent update, kate seems to fork a copy of itself, presumably with some parameter which prevents an endless recursion, and then exits. Presumably this was intended to …

How would you compare these editors? What are the pros and cons of each? [note] This is not meant to be answered by those who "hate one and love another" or those who haven't used both.

Mar 6, 2022 · What's replenishing my entropy so well, and how can I find the specific source of randomness? As of kernel 5.6, /dev/random obtains randomness from the kernel's CRNG, which is …

May 12, 2017 · 6 Your loop is starting an endless number of shells, but one after the other, not in parallel. The first time the loop runs, it runs bash, which starts a new shell and displays the prompt.

Jul 13, 2022 · sleep 60 is never triggering in the false case, as you combine all actions with && so it runs in an endless loop.