mirror of https://github.com/ecmwf/eccodes.git
84 lines
2.5 KiB
Bash
84 lines
2.5 KiB
Bash
#!/bin/sh
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# (C) Copyright 2005- ECMWF.
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#
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# This software is licensed under the terms of the Apache Licence Version 2.0
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# which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
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#
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# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
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# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
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#
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set -ea
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#
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# Utility functions for testing
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#
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# Check the key(s) in the given grib file have the expected value(s)
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# Assumes the file has only ONE message otherwise output goes on to
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# several lines
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grib_check_key_equals()
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{
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a_file=$1
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a_key=$2
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a_expected=$3
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a_result=`${tools_dir}/grib_get -p $a_key $a_file`
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if [ "$a_result" != "$a_expected" ]; then
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echo "File: '$a_file'"
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echo "Key(s): '$a_key'"
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echo "Expected: '$a_expected'"
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echo "Result: '$a_result'"
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exit 1
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fi
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}
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grib_check_key_exists()
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{
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a_file=$1
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a_key=$2
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# grib_get will fail if the key is not found
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$tools_dir/grib_get -p $a_key $a_file >/dev/null
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}
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# This is useful in situations where we intend a key to have
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# a single value (size=1). For example when we redefine a transient
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grib_check_key_is_scalar()
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{
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a_file=$1
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a_key=$2
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a_val=$3
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result=$(echo "print '|[$a_key]|';" | ${tools_dir}/grib_filter - $a_file)
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[ "$result" = "|$a_val|" ]
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}
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# This ensures setting the keys via grib_filter (similar to the API, one key at a time)
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# works the same way as grib_set. The resultant GRIB outputs are compared
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# E.g.,
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# grib_encode_via_set_and_filter $label key1=val1,key2=val2,key3=val3 $ECCODES_SAMPLES_PATH/GRIB2.tmpl
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#
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grib_encode_via_set_and_filter()
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{
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_label=$1 # For generating temp files
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_kvals=$2 # key1=val1,key2=val2
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_input=$3 # Must be a GRIB file
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temp_encode_filt=temp.encode.$_label.filt
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temp_encode_gribA=temp.encode.$_label.A.grib
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temp_encode_gribB=temp.encode.$_label.B.grib
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for kv in $(echo $_kvals | tr ',' ' '); do
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k=$(echo $kv | awk -F= '{print $1}')
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v=$(echo $kv | awk -F= '{print $2}')
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if [[ "$v" =~ ^[A-z] ]]; then
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echo "set $k = \"$v\" ;" >> $temp_encode_filt
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else
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echo "set $k = $v ;" >> $temp_encode_filt
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fi
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done
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echo "write;" >> $temp_encode_filt
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# cat $temp_encode_filt
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${tools_dir}/grib_filter -o $temp_encode_gribA $temp_encode_filt $_input
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${tools_dir}/grib_set -s $_kvals $_input $temp_encode_gribB
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${tools_dir}/grib_compare $temp_encode_gribA $temp_encode_gribB
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rm -f $temp_encode_filt $temp_encode_gribB $temp_encode_gribA
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}
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