cmd.exe: Add prompting and COPYCMD plus /Y support to move.
diff --git a/programs/cmd/Cs.rc b/programs/cmd/Cs.rc
index 7939fd4..83d01b2 100644
--- a/programs/cmd/Cs.rc
+++ b/programs/cmd/Cs.rc
@@ -236,4 +236,5 @@
   WCMD_NO, "N"
   WCMD_NOASSOC, "File association missing for extension %s\n"
   WCMD_NOFTYPE, "No open command associated with file type '%s'\n"
+  WCMD_OVERWRITE, "Overwrite"
 }
diff --git a/programs/cmd/De.rc b/programs/cmd/De.rc
index a8ad3b5..b60cd2a 100644
--- a/programs/cmd/De.rc
+++ b/programs/cmd/De.rc
@@ -253,4 +253,5 @@
   WCMD_NO, "N"
   WCMD_NOASSOC, "File association missing for extension %s\n"
   WCMD_NOFTYPE, "No open command associated with file type '%s'\n"
+  WCMD_OVERWRITE, "Overwrite"
 }
diff --git a/programs/cmd/En.rc b/programs/cmd/En.rc
index e542bcbf..7fd28a6 100644
--- a/programs/cmd/En.rc
+++ b/programs/cmd/En.rc
@@ -240,4 +240,5 @@
   WCMD_NO, "N"
   WCMD_NOASSOC, "File association missing for extension %s\n"
   WCMD_NOFTYPE, "No open command associated with file type '%s'\n"
+  WCMD_OVERWRITE, "Overwrite"
 }
diff --git a/programs/cmd/Es.rc b/programs/cmd/Es.rc
index 9feac82..0933496 100644
--- a/programs/cmd/Es.rc
+++ b/programs/cmd/Es.rc
@@ -248,4 +248,5 @@
   WCMD_NO, "N"
   WCMD_NOASSOC, "File association missing for extension %s\n"
   WCMD_NOFTYPE, "No open command associated with file type '%s'\n"
+  WCMD_OVERWRITE, "Overwrite"
 }
diff --git a/programs/cmd/Fr.rc b/programs/cmd/Fr.rc
index e4c0c42..6897438 100644
--- a/programs/cmd/Fr.rc
+++ b/programs/cmd/Fr.rc
@@ -230,4 +230,5 @@
   WCMD_NO, "N"
   WCMD_NOASSOC, "File association missing for extension %s\n"
   WCMD_NOFTYPE, "No open command associated with file type '%s'\n"
+  WCMD_OVERWRITE, "Overwrite"
 }
diff --git a/programs/cmd/Ja.rc b/programs/cmd/Ja.rc
index 7762e80..f7435a6 100644
--- a/programs/cmd/Ja.rc
+++ b/programs/cmd/Ja.rc
@@ -234,4 +234,5 @@
   WCMD_NO, "N"
   WCMD_NOASSOC, "File association missing for extension %s\n"
   WCMD_NOFTYPE, "No open command associated with file type '%s'\n"
+  WCMD_OVERWRITE, "Overwrite"
 }
diff --git a/programs/cmd/Ko.rc b/programs/cmd/Ko.rc
index ebc3116..0a5b2fd 100644
--- a/programs/cmd/Ko.rc
+++ b/programs/cmd/Ko.rc
@@ -232,4 +232,5 @@
   WCMD_NO, "¾Æ´Ï¿À"
   WCMD_NOASSOC, "ÀÌ ÆÄÀÏÈ®ÀåÀÚ %s¿¡ ¿¬°áµÈ Ç®±×¸²ÀÌ ¾ø½À´Ï´Ù. \n"
   WCMD_NOFTYPE, "ÀÌ ÆÄÀÏ Çü½Ä '%s'°ú ¿¬°áµÈ ¾î¶°ÇÑ ¸í·Éµµ ¾ø½À´Ï´Ù.'\n"
+  WCMD_OVERWRITE, "Overwrite"
 }
diff --git a/programs/cmd/Nl.rc b/programs/cmd/Nl.rc
index 3a94d92..ef6c7e2 100644
--- a/programs/cmd/Nl.rc
+++ b/programs/cmd/Nl.rc
@@ -233,4 +233,5 @@
   WCMD_NO, "N"
   WCMD_NOASSOC, "File association missing for extension %s\n"
   WCMD_NOFTYPE, "No open command associated with file type '%s'\n"
+  WCMD_OVERWRITE, "Overwrite"
 }
diff --git a/programs/cmd/No.rc b/programs/cmd/No.rc
index 6bf129d..87e84d2 100644
--- a/programs/cmd/No.rc
+++ b/programs/cmd/No.rc
@@ -231,4 +231,5 @@
   WCMD_NO, "N"
   WCMD_NOASSOC, "File association missing for extension %s\n"
   WCMD_NOFTYPE, "No open command associated with file type '%s'\n"
+  WCMD_OVERWRITE, "Overwrite"
 }
diff --git a/programs/cmd/Pl.rc b/programs/cmd/Pl.rc
index 2c797e0..59afcf0 100644
--- a/programs/cmd/Pl.rc
+++ b/programs/cmd/Pl.rc
@@ -235,4 +235,5 @@
   WCMD_NO, "N"
   WCMD_NOASSOC, "File association missing for extension %s\n"
   WCMD_NOFTYPE, "No open command associated with file type '%s'\n"
+  WCMD_OVERWRITE, "Overwrite"
 }
diff --git a/programs/cmd/Pt.rc b/programs/cmd/Pt.rc
index f4a28ce..3c9809f 100644
--- a/programs/cmd/Pt.rc
+++ b/programs/cmd/Pt.rc
@@ -440,4 +440,5 @@
   WCMD_NO, "N"
   WCMD_NOASSOC, "File association missing for extension %s\n"
   WCMD_NOFTYPE, "No open command associated with file type '%s'\n"
+  WCMD_OVERWRITE, "Overwrite"
 }
diff --git a/programs/cmd/Ru.rc b/programs/cmd/Ru.rc
index 6f3f01a..781aa26 100644
--- a/programs/cmd/Ru.rc
+++ b/programs/cmd/Ru.rc
@@ -246,4 +246,5 @@
   WCMD_NO, "N"
   WCMD_NOASSOC, "File association missing for extension %s\n"
   WCMD_NOFTYPE, "No open command associated with file type '%s'\n"
+  WCMD_OVERWRITE, "Overwrite"
 }
diff --git a/programs/cmd/Si.rc b/programs/cmd/Si.rc
index f7224c5..f70c915 100644
--- a/programs/cmd/Si.rc
+++ b/programs/cmd/Si.rc
@@ -232,4 +232,5 @@
   WCMD_NO, "N"
   WCMD_NOASSOC, "File association missing for extension %s\n"
   WCMD_NOFTYPE, "No open command associated with file type '%s'\n"
+  WCMD_OVERWRITE, "Overwrite"
 }
diff --git a/programs/cmd/Tr.rc b/programs/cmd/Tr.rc
index 1d8d67f..8b4820b 100644
--- a/programs/cmd/Tr.rc
+++ b/programs/cmd/Tr.rc
@@ -234,4 +234,5 @@
   WCMD_NO, "N"
   WCMD_NOASSOC, "File association missing for extension %s\n"
   WCMD_NOFTYPE, "No open command associated with file type '%s'\n"
+  WCMD_OVERWRITE, "Overwrite"
 }
diff --git a/programs/cmd/builtins.c b/programs/cmd/builtins.c
index 832da83..3d4f034 100644
--- a/programs/cmd/builtins.c
+++ b/programs/cmd/builtins.c
@@ -783,7 +783,51 @@
       SetLastError(ERROR_ACCESS_DENIED);
       status = 0;
     } else {
-      status = MoveFile (src, dest);
+      BOOL ok = TRUE;
+
+      /* If destination exists, prompt unless /Y supplied */
+      if (GetFileAttributesA(dest) != INVALID_FILE_ATTRIBUTES) {
+        BOOL force = FALSE;
+        char copycmd[MAXSTRING];
+        int len;
+
+        /* /-Y has the highest priority, then /Y and finally the COPYCMD env. variable */
+        if (strstr (quals, "/-Y"))
+          force = FALSE;
+        else if (strstr (quals, "/Y"))
+          force = TRUE;
+        else {
+          len = GetEnvironmentVariable ("COPYCMD", copycmd, sizeof(copycmd));
+          force = (len && len < sizeof(copycmd) && ! lstrcmpi (copycmd, "/Y"));
+        }
+
+        /* Prompt if overwriting */
+        if (!force) {
+          char  question[MAXSTRING];
+          char  overwrite[MAXSTRING];
+
+          LoadString (hinst, WCMD_OVERWRITE, overwrite, sizeof(overwrite));
+
+          /* Ask for confirmation */
+          sprintf(question, "%s %s? ", overwrite, dest);
+          ok = WCMD_ask_confirm(question, TRUE);
+
+          /* So delete the destination prior to the move */
+          if (ok) {
+            if (!DeleteFile (dest)) {
+              WCMD_print_error ();
+              errorlevel = 1;
+              ok = FALSE;
+            }
+          }
+        }
+      }
+
+      if (ok) {
+        status = MoveFile (src, dest);
+      } else {
+        status = 1; /* Anything other than 0 to prevent error msg below */
+      }
     }
 
     if (!status) {
diff --git a/programs/cmd/wcmd.h b/programs/cmd/wcmd.h
index 29efbe4..2873ea2 100644
--- a/programs/cmd/wcmd.h
+++ b/programs/cmd/wcmd.h
@@ -179,6 +179,7 @@
 #define WCMD_NO       1003
 #define WCMD_NOASSOC  1004
 #define WCMD_NOFTYPE  1005
+#define WCMD_OVERWRITE 1006
 
 /* msdn specified max for Win XP */
 #define MAXSTRING 8192