Adding lintserver for files. Start julia, invoke lintserver on a port…

… of your choice and then you can use something like, for example (echo filename; sleep 2) | nc -w 2 localhost portfrom bash.

src/Lint.jl

@@ -6,7 +6,7 @@ using Base.Meta
 using Compat
 
 export LintMessage, LintContext, LintStack
-export lintfile, lintstr, lintpkg, @lintpragma
+export lintfile, lintstr, lintpkg, lintserver, @lintpragma
 export test_similarity_string
 
 const SIMILARITY_THRESHOLD = 10.0
@@ -245,4 +245,28 @@ function lintexpr( ex::Any, ctx::LintContext )
     end
 end
 
+function lintserver(port)
+    server = listen(port)
+    while true
+      conn = accept(server)
+      @async begin
+        try
+          while true
+            line = readline(conn)
+            println(typeof(line))
+            println(ispath(strip(line)))
+            println(strip(line))
+            m = lintfile(strip(line), returnMsgs = true)
+            for i in m
+                write(conn, string(i))
+                write(conn, "\n")
+            end
+          end
+        catch err
+          print("connection ended with error $err")
+        end
+      end
+    end
+end
+
 end

src/linttypes.jl

@@ -6,8 +6,8 @@ type LintMessage
     message :: String
 end
 
-import Base.show
-function Base.show( io::IO, m::LintMessage )
+import Base.string
+function string( m::LintMessage )
     s = @sprintf( "%s:%d ", m.file, m.line )
     s = s * @sprintf( "[%-15s] ", m.scope )
     arr = [ "INFO", "WARN", "ERROR", "FATAL" ]
@@ -21,7 +21,12 @@ function Base.show( io::IO, m::LintMessage )
             s = s * "\n" *  (" " ^ ident) * l
         end
     end
-    print( io, s )
+    return s
+end
+
+import Base.show
+function Base.show( io::IO, m::LintMessage )
+    print( io, string(m) )
 end
 
 import Base.isless