grib_ls: List content of grib files printing values of some keys.

OPTIONS

-p key[:{s/d/l}],key[:{s/d/l}],...: Declaration of keys to print. For each key a string (key:s) or a double (key:d) or a long (key:l) type can be requested. Default type is string.
-P key[:{s/d/l}],key[:{s/d/l}],...: As -p adding the declared keys to the default list.
-w key[:{s/d/l}]{=/!=}value,key[:{s/d/l}]{=/!=}value,...: Where clause. Grib messages are processed only if they match all the key/value constraints. A valid constraint is of type key=value or key!=value. For each key a string (key:s) or a double (key:d) or a long (key:l) type can be specified. Default type is string.
-B order by directive: Order by. The output will be ordered according the order by directive. Order by example: "step asc, centre desc" (step ascending and centre discending)
-l Latitude,Longitude[,MODE,file]: Value close to the point of a Latitude/Longitude. Allowed values for MODE are: 4 (4 values in the nearest points are printed) Default 1 (the value at the nearest point is printed) file (file is used as mask. The closer point with mask value>=0.5 is printed)
-i index: Data value corresponding to the given index is printed.
-m Mars keys are printed.
-V Version.
-W width: Minimum width of each column in output. Default is 10.
-M Multi-grib support off. Turn off support for multiple fields in single grib message
-G GRIBEX compatibility mode.
-7 Does not fail when the message has wrong length