correct handling of the text mining output in the pipeline

assemble.sh

@@ -86,7 +86,7 @@ log "Extending genes list..."
 text_mining_out_path=${genes_out_path/03-genes/03-text-mining}
 Rscript --vanilla ${EXTEND_DIR}/get_extended_network.R ${genes_out_path} ${EXTEND_CONFIG}
 check_exit_code
-cp ${EXTEND_DIR}/output.txt ${text_mining_out_path}
+mv output.txt ${text_mining_out_path}
 log "Genes list extended"
 
 minerva_genes_out_path=${RES_DIR}/04-minerva-genes.txt