Improvements and WIP wc

wc.nim

@@ -0,0 +1,29 @@
+import cligen, os, strutils
+import common
+
+proc main(files:seq[string]) =
+#    if files.len == 0:
+#        files.add "-"
+    var
+        totalLines = 0
+        totalWords = 0
+        totalChars = 0
+    for file in files:
+        var f = if file == "-": stdin
+                else: open(file, fmRead)
+        var
+            fileLines = 0
+            fileWords = 0
+            fileChars = 0
+        for line in lines(f):
+            inc fileLines
+            fileWords += line.split.len
+            fileChars += line.len
+        totalLines += fileLines
+        totalWords += fileWords
+        totalChars += fileChars
+        writeLine(stdout, $(fileLines) & $(fileWords) & $(fileChars) & file)
+    if files.len > 1:
+        writeLine(stdout, $(totalLines) & $(totalWords) & $(totalChars) & "total")
+
+dispatch(main, version=("version", nimbaseVersion))