transforms to value channel with .first()

Maxime Borry · Maxime Borry · commit d89b4cccb729 · 2021-02-03T15:13:43.000+01:00
diff --git a/main.nf b/main.nf
@@ -3117,7 +3117,7 @@ if (params.run_metagenomic_screening && params.database.endsWith(".tar.gz") && p
   }
 
 } else if (! params.database.endsWith(".tar.gz") && params.run_metagenomic_screening && params.metagenomic_tool == 'kraken') {
-    ch_krakendb = Channel.fromPath(params.database)
+    ch_krakendb = Channel.fromPath(params.database).first()
 } else {
     ch_krakendb = Channel.empty()
 }

Original file line number	Diff line number	Diff line change
`@@ -3117,7 +3117,7 @@ if (params.run_metagenomic_screening && params.database.endsWith(".tar.gz") && p`
`3117`	`3117`	`}`
`3118`	`3118`
`3119`	`3119`	`} else if (! params.database.endsWith(".tar.gz") && params.run_metagenomic_screening && params.metagenomic_tool == 'kraken') {`
`3120`		`- ch_krakendb = Channel.fromPath(params.database)`
	`3120`	`+ ch_krakendb = Channel.fromPath(params.database).first()`
`3121`	`3121`	`} else {`
`3122`	`3122`	`ch_krakendb = Channel.empty()`
`3123`	`3123`	`}`