WIP: Porting to Nim.

treediff.nim

@@ -1,5 +1,17 @@
 import os, docopt, tables, md5, iterutils, re
 
+type
+  FileEntry* = tuple[relPath: string, checksum: string]
+  DirAnalysis* = tuple[allEntries: seq[FileEntry],
+                      byRelPath: Table[string, FileEntry],
+                      byChecksum: Table[string, FileEntry]]
+
+proc analyzeDir(root: string): DirAnalysis =
+  let fileCount = countFiles(root)
+
+proc countFiles(root: string): int =
+  # TODO
+
 proc studyDir(root: string, ignore: Iterable[string]): TableRef[string, string] =
     result = newTable[string, string]()
 

treediff.pseudocode

@@ -0,0 +1,12 @@
+analyzeDir (tail call optimizable?)
+  count total # of files
+  for all files in directory
+    compute md5 checksum
+    create file entry: file obj, relative path, checksum
+    add entry to dictionary indexed by relative path
+    add entry to dictionary indexed by checksum
+    add entry to list of all entries
+    for each subdirectory, analyzeDir
+    return analysis
+
+

worklog.md

@@ -0,0 +1,5 @@
+Current Task
+========================================
+
+Currently implementing `countFiles` in
+treediff.nim