{{tag>[linux rotatelogs]}}
=====Rotatelogs - log rotating stdout=====
  * 86400 = rotate every night, 3600 is rotate at the beginning of the hour.
  * 100M = max 100 megabytes.

<code>apt-get install apache2-utils
/usr/local/bin/serialWatch.exp ttyUSB0 | rotatelogs -f /mnt/ram/p1data 86400 100M
</code>