From d50e6b88ae478cb3df1d8312a364b278b2453130 Mon Sep 17 00:00:00 2001
From: d0k3 <tore.anon@gmail.com>
Date: Thu, 14 Mar 2019 01:50:27 +0100
Subject: [PATCH] Scripting: add `dumptxt` command

---
 arm9/source/utils/scripting.c    | 11 +++++++++++
 resources/sample/HelloScript.gm9 |  6 ++++++
 2 files changed, 17 insertions(+)

diff --git a/arm9/source/utils/scripting.c b/arm9/source/utils/scripting.c
index 60ff049..385c6a5 100644
--- a/arm9/source/utils/scripting.c
+++ b/arm9/source/utils/scripting.c
@@ -102,6 +102,7 @@ typedef enum {
     CMD_ID_FSET,
     CMD_ID_SHA,
     CMD_ID_SHAGET,
+    CMD_ID_DUMPTXT,
     CMD_ID_FIXCMAC,
     CMD_ID_VERIFY,
     CMD_ID_DECRYPT,
@@ -174,6 +175,7 @@ Gm9ScriptCmd cmd_list[] = {
     { CMD_ID_FSET    , "fset"    , 2, _FLG('e') },
     { CMD_ID_SHA     , "sha"     , 2, 0 },
     { CMD_ID_SHAGET  , "shaget"  , 2, 0 },
+    { CMD_ID_DUMPTXT , "dumptxt" , 2, _FLG('p') },
     { CMD_ID_FIXCMAC , "fixcmac" , 1, 0 },
     { CMD_ID_VERIFY  , "verify"  , 1, 0 },
     { CMD_ID_DECRYPT , "decrypt" , 1, 0 },
@@ -1275,6 +1277,15 @@ bool run_cmd(cmd_id id, u32 flags, char** argv, char* err_str) {
             if (err_str) snprintf(err_str, _ERR_STR_LEN, "sha write fail");
         }
     }
+    else if (id == CMD_ID_DUMPTXT) {
+        size_t offset = 0;
+        u32 len = strnlen(argv[1], _ARG_MAX_LEN);
+        if (flags & _FLG('p')) offset = FileGetSize(argv[0]);
+        if (!(ret = FileSetData(argv[0], argv[1], len, offset, offset == 0)) ||
+            !(ret = FileSetData(argv[0], "\n", 1, offset + len, false))) {
+            if (err_str) snprintf(err_str, _ERR_STR_LEN, "file write fail");
+        }
+    }
     else if (id == CMD_ID_FIXCMAC) {
         ShowString("Fixing CMACs...");
         ret = (RecursiveFixFileCmac(argv[0]) == 0);
diff --git a/resources/sample/HelloScript.gm9 b/resources/sample/HelloScript.gm9
index 46f1504..d57441c 100644
--- a/resources/sample/HelloScript.gm9
+++ b/resources/sample/HelloScript.gm9
@@ -242,6 +242,12 @@ fset $[DUMMY]@100 48454c4c4f # 'HELLO'
 fget -e $[DUMMY]@100:5 OLLEH
 echo "This is 'HELLO', in hex and reverse:\n$[OLLEH]"
 
+# 'dumptxt' COMMAND
+# This command dumps the given text to a file
+# -p / --append appends text instead of writing a new file
+# dumptxt 0:/hello.txt HELLO
+# dumptxt -p 0:/hello.txt WORLD
+
 # 'fixcmac' COMMAND
 # Use this to fix the CMACs for a file or a whole folder (recursively)
 # This will count as success if a file does not contain a CMAC