08-13-2002
using join command for files
Hi,
I have to join 2 files based on two key field columns.
But join command allows to give only one key column for fetching.So kindly update me whether i can compare 2 files based on two key columns or more than one key column.If so what is the syntax to compare it.
With thanks in advance,
subra.
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LEARN ABOUT DEBIAN
grib_get
GRIB_GET(1) User Commands GRIB_GET(1)
NAME
grib_get - Get values of some keys from a grib file.
DESCRIPTION
Get values of some keys from a grib file. It is similar to grib_ls, but fails returning an error code when an error occurs (e.g. key not
found).
USAGE
grib_get [options] grib_file grib_file ...
OPTIONS
-f Force. Force the execution not to fail on error.
-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.
-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
AUTHOR
This manpage has been autogenerated by Enrico Zini <enrico@debian.org>from the command line help of grib_get.
grib_get April 2009 GRIB_GET(1)