[ Bron: sleepenh ]
Pakket: sleepenh (1.7-1)
Verwijzigingen voor sleepenh
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Sleep until a given date with subsecond resolution
sleepenh is a sleep program for shell scripts that need to perform a loop that repeats at a regular time interval, without cumulative errors.
It supports microsecond resolution.
You can also specify the time you need between two calls of sleepenh.
Here follows an usage example to clarify its purpose. This example sends 'A' to ttyS0 every 1.2 seconds.
#!/bin/sh
# does not wait (or wait 0), just to get initial timestamp
TIMESTAMP=$(sleepenh 0)
while true; do
# send the byte to ttyS0
echo -n "A" > /dev/ttyS0;
# wait until the required time
TIMESTAMP=$(sleepenh $TIMESTAMP 1.200);
done
For more details, please read the manpage.
Andere aan sleepenh gerelateerde pakketten
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- dep: libc6 (>= 2.17) [arm64]
- GNU C Bibliotheek: Gedeelde bibliotheken
Ook een virtueel pakket geboden door: libc6-udeb
- dep: libc6 (>= 2.3.4) [amd64, i386]
- dep: libc6 (>= 2.4) [armhf]