add latest.nim

nutils.nimble

@@ -8,6 +8,7 @@ srcDir        = "src"
 bin           = @["b64d",
                   "b64e",
                   "glog",
+                  "latest",
                   "bcat"]
 binDir        = "bin"
 

src/latest.nim

@@ -0,0 +1,23 @@
+import std/[os, posix, posix_utils]
+
+proc `<`(t1, t2: Time): bool {.borrow.}
+
+var
+  params = commandLineParams()
+  latest: (string, Time)
+
+if params.len < 1:
+  params = @[getCurrentDir()]
+
+for dir in params:
+  for file in walkDir dir:
+    let
+      s = stat file.path
+      tim =
+        when StatHasNanoseconds: s.st_mtim.tv_sec
+        else: s.st_mtime
+    if latest[1] < tim:
+      latest = (file.path, tim)
+
+stdout.write latest[0]
+stdout.flushFile