Add long options for filters (#10641)

crates/nu-std/std/iter.nu

@@ -89,7 +89,7 @@ export def find-index [ # -> int
 export def intersperse [ # -> list<any>
     separator: any              # the separator to be used
 ] {
-    reduce -f [] {|it, acc|
+    reduce --fold [] {|it, acc|
          $acc ++ [$it, $separator]
     } 
     | match $in {
@@ -122,7 +122,7 @@ export def scan [ # -> list<any>
     fn: closure          # the closure to perform the scan
     --noinit(-n)         # remove the initial value from the result
 ] {                      
-    reduce -f [$init] {|it, acc|
+    reduce --fold [$init] {|it, acc|
         $acc ++ [(do $fn ($acc | last) $it)]
     }
     | if $noinit {
@@ -219,4 +219,4 @@ export def zip-into-record [ # -> table<any>
     into record
     | append ($other | into record)
     | headers
-}
+}

crates/nu-std/std/testing.nu

@@ -82,7 +82,7 @@ def create-test-record [] nothing -> record<before-each: string, after-each: str
                 get 0
             }
         }
-        | transpose -i -r -d
+        | transpose --ignore-titles -r -d
     )
 
     $template_record