Update 06 Manual Parsing and Testing.md (#40)

glessard · web-flow · commit 8a23e0b3a47a · 2020-03-02T11:23:12.000-06:00
`ParsableCommand.parseAsRoot()` drops the first item from `CommandLine.arguments` when it receives a `nil` array as a parameter, so it is necessary to do the same before pre-processing arguments to feed to any `ParsableCommand`.
diff --git a/Documentation/06 Manual Parsing and Testing.md b/Documentation/06 Manual Parsing and Testing.md
@@ -88,7 +88,7 @@ All of the parsing methods — `parse()`, `parseOrExit()`, and `parseAsRoot()` 
 Let's update our `select` script above to strip out any words that contain all capital letters before parsing the inputs.
 
 ```swift
-let noShoutingArguments = CommandLine.arguments.filter { phrase in
+let noShoutingArguments = CommandLine.arguments.dropFirst().filter { phrase in
     phrase.uppercased() != phrase
 }
 let options = SelectOptions.parseOrExit(noShoutingArguments)

Original file line number	Diff line number	Diff line change
@@ -88,7 +88,7 @@ All of the parsing methods — `parse()`, `parseOrExit()`, and `parseAsRoot()`
`88`	`88`	Let's update our `select` script above to strip out any words that contain all capital letters before parsing the inputs.
`89`	`89`
`90`	`90`	```swift
`91`		`-let noShoutingArguments = CommandLine.arguments.filter { phrase in`
	`91`	`+let noShoutingArguments = CommandLine.arguments.dropFirst().filter { phrase in`
`92`	`92`	`phrase.uppercased() != phrase`
`93`	`93`	`}`
`94`	`94`	`let options = SelectOptions.parseOrExit(noShoutingArguments)`