Documentation: grib_filter
@@ -71,6 +71,7 @@ Running the same command again we obtain a different list of files.\n
- print "string to print also with key values like in the file name"
- transient keyname1 = keyname2;
- comments beginning with #
+ - defined(keyname) to check if a key is defined in a message
.
A complex example of grib_filter rules is the following to change temperature in a grib edition 1 file.
\verbatim
