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Excerpt |
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Easy peasy. Use the "defined" function which takes a single key name as argument. e.g. |
grib_filter/bufr_filter: How can I check if a key exists (is defined) in a message?
Step-by-step guide
Easy peasy. Use the "defined" function which takes a single key name as argument. e.g.
Code Block |
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language | bash |
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title | grib_filter example |
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if (defined(Latin1)) {
print "Key Latin1 is there for this message";
} |
Related articles
Content by Label |
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showLabels | false |
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max | 5 |
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spaces | ~usa |
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showSpace | false |
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sort | modified |
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reverse | true |
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type | page |
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cql | label in ("kb-how-to-article","eccodes-faqs","grib_filter","grib","keys") and label in ("keys","grib_filter","bufr_filter") and type = "page" and space = "UDOC" |
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labels | kb-how-to-article |
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