fix: network/sockets command (#978)

Author: lizclipse

modules/network/sockets/sockets.nu

@@ -1,4 +1,4 @@
-export def sockets [--abbreviate-java-class-paths (-j)] {
+export def main [--abbreviate-java-class-paths (-j)] {
   let input = (^lsof +c 0xFFFF -i -n -P)
   let header = ($input | lines
                        | take 1
@@ -12,7 +12,7 @@ export def sockets [--abbreviate-java-class-paths (-j)] {
             | upsert 'pid' { |r| $r.pid | into int }
             | rename --column { name: connection }
             | reject 'command'
-            | join-table (ps -l) 'pid' 'pid'
+            | join (ps -l) 'pid' 'pid'
             | if $abbreviate_java_class_paths {
                 upsert 'classpath' { |r| $r.command | java-cmd classpath }
                 | upsert 'command' { |r| $r.command | java-cmd abbreviate-classpath }
@@ -26,7 +26,3 @@ export def 'java-cmd classpath' [] {
 export def 'java-cmd abbreviate-classpath' [] {
   str replace '[^ ]*\.jar' '*.jar'
 }
-
-export def join-table [table: table, left_on: string, right_on: string] {
-  dfr into df | join ($table | dfr into df) $left_on $right_on | dfr into nu
-}