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-rw-r--r--src/OSSupport/File.cpp23
-rw-r--r--src/OSSupport/File.h4
2 files changed, 27 insertions, 0 deletions
diff --git a/src/OSSupport/File.cpp b/src/OSSupport/File.cpp
index 8957dfaef..7ad1b3f81 100644
--- a/src/OSSupport/File.cpp
+++ b/src/OSSupport/File.cpp
@@ -453,6 +453,29 @@ AString cFile::ReadWholeFile(const AString & a_FileName)
+AString cFile::ChangeFileExt(const AString & a_FileName, const AString & a_NewExt)
+{
+ auto res = a_FileName;
+ auto DotPos = res.rfind('.');
+ if (DotPos == AString::npos)
+ {
+ // No extension, just append it:
+ res.push_back('.');
+ res.append(a_NewExt);
+ }
+ else
+ {
+ // Replace existing extension:
+ res.erase(DotPos + 1, AString::npos);
+ res.append(a_NewExt);
+ }
+ return res;
+}
+
+
+
+
+
int cFile::Printf(const char * a_Fmt, ...)
{
AString buf;
diff --git a/src/OSSupport/File.h b/src/OSSupport/File.h
index ac6d1ab21..1cf5c71d7 100644
--- a/src/OSSupport/File.h
+++ b/src/OSSupport/File.h
@@ -127,6 +127,10 @@ public:
/** Returns the entire contents of the specified file as a string. Returns empty string on error. */
static AString ReadWholeFile(const AString & a_FileName);
+ /** Returns a_FileName with its extension changed to a_NewExt.
+ a_FileName may contain path specification. */
+ static AString ChangeFileExt(const AString & a_FileName, const AString & a_NewExt);
+
// tolua_end
/** Returns the list of all items in the specified folder (files, folders, nix pipes, whatever's there). */