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Old 04-02-2016, 02:47 PM   #1
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Default Can't extract experiment accession using entrez query


I am trying to use following query but i could not get this.

esearch -db SRA -query "biomol rna [PROP] AND Homo sapiens [orgn:__txid9606] AND (RNA-seq or rnaseq)" | efetch -format xml | xtract -pattern EXPERIMENT_PACKAGE -block EXTERNAL_ID -match "@namespace:BioSample" -tab "\n" -element EXTERNAL_ID -match [email protected] -tab "\n" -element EXPERIMENT


Unrecognized argument '-match'
No -element before '[email protected]'
Unrecognized argument '-match'
No -element before '[email protected]'
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