On 10/27/2012 07:31 PM, John Heath wrote:
> Hi All,
> Just updated keps for noaa weather satellites from Celestrak and find the the
> file contains mostltly birds that are no longer operational.
> How can I delete the unwanted birds.
Using GNU grep 2.5.4 on Linux:
grep -F -f wanted.sat -A 2 weather.txt > use_this.tle
The file 'wanted.sat' is a simple text file with a list of desired
satellites, one per line. Example (using amateur satellites):
----8<------------->8------
OSCAR 7
EYESAT-1
JAS-2
PCSAT
HAMSAT
----8<------------->8------
Grep picks any satellites that matches your listed names, and outputs
the name and the two-line data immediately following. It adds a
separator line between each, but I've never had a problem. AAMOF (and
correct me if I'm wrong) but the TLE format is specifically supposed to
ignore additional lines that don't conform to the TLE format.
Not running Linux? Start today! ;-)
Or, look for 'grep' for Windows here:
http://gnuwin32.sourceforge.net/packages/grep.htm
--
73, de Gus 8P6SM
The Easternmost Isle
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