This is the command grib_ls that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
grib_ls - List content of grib files printing values of some keys.
List content of grib files printing values of some keys. It does not fail when a key is
grib_ls [options] grib_file grib_file ...
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.
As -p adding the declared keys to the default list.
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)
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
Data value corresponding to the given index is printed.
-m Mars keys are printed.
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
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