Package: sleepenh (1.3-1) [universe]
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Download Source Package sleepenh:
Original Maintainer (usually from Debian):
- Pedro Zorzenon Neto
It should generally not be necessary for users to contact the original maintainer.
Sleep until a given date with subsecond resolution
sleepenh is an sleep program for using in 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.
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