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No. You can read the filter rules directly from the standard input (stdin) by using the "-" (a single hyphen) instead of the rules file path. For example |
No. You can read the filter rules directly from the standard input (stdin) by using the "-" (a single hyphen) instead of the rules file path. For example:
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% echo 'set edition=2; print "[centre]"; write;' | grib_filter -o out.grib2 - in.grib1 |
Or like this:
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% grib_filter -o out.grib2 - in.grib1 <<EOF
set edition=2;
print "centre=[centre] paramId=[paramId]";
write;
EOF |
This filter attempts to convert the messages in the input to edition 2, prints the originating centre and paramId and finally writes the output to disk.
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