EFMZip

ZIP compression and decompression functions.

Functions

CompressFiles

Callable Compresses multiple files into a ZIP archive.

C++

bool CompressFiles(const FString& ZipFilePath, const TArray<FString>& FilesToCompress, bool bAbsolutePath = false)

Parameter	Type	Default	Description
ZipFilePath	FString	-	Full path for the output ZIP file
FilesToCompress	TArray<FString>	-	Array of file paths to compress
bAbsolutePath	bool	false	If true, stores absolute paths in the ZIP

Returns: true if compression succeeded

Category: EFM|ZIP

Blueprint Node

ƒCompress Files

Zip File Path

Files To Compress

B Absolute Path

Return Value

CompressDirectory

Callable Compresses an entire directory into a ZIP archive.

C++

bool CompressDirectory(const FString& ZipFilePath, const FString& DirectoryToCompress, bool bRecursive = true)

Parameter	Type	Default	Description
ZipFilePath	FString	-	Full path for the output ZIP file
DirectoryToCompress	FString	-	Directory to compress
bRecursive	bool	true	If true, includes subdirectories

Returns: true if compression succeeded

Category: EFM|ZIP

Blueprint Node

ƒCompress Directory

Zip File Path

Directory To Compress

B Recursive

Return Value

DecompressZip

Callable Extracts a ZIP archive to a directory.

C++

bool DecompressZip(const FString& ZipFilePath, const FString& DestinationDirectory)

Parameter	Type	Description
ZipFilePath	FString	Full path to the ZIP file
DestinationDirectory	FString	Directory to extract files to

Returns: true if decompression succeeded

Category: EFM|ZIP

Blueprint Node

ƒDecompress Zip

Zip File Path

Destination Directory

Return Value

ListZipContents

Pure Lists all entries in a ZIP archive.

C++

TArray<FString> ListZipContents(const FString& ZipFilePath)

Returns: Array of file/folder names inside the ZIP

Category: EFM|ZIP

Blueprint Node

ƒList Zip Contents

Zip File Path

Return Value

Example

// Compress specific files
Files = [
  GetGameSavedDirectory() + "save1.dat",
  GetGameSavedDirectory() + "save2.dat",
  GetGameSavedDirectory() + "config.json"
]
CompressFiles(GetGameSavedDirectory() + "backup.zip", Files, false)

// Compress entire directory
CompressDirectory(
  GetGameSavedDirectory() + "full-backup.zip",
  GetGameSavedDirectory() + "Saves/",
  true  // recursive
)

// List ZIP contents
Entries = ListZipContents(GetGameSavedDirectory() + "backup.zip")
for Entry in Entries:
  Log(Entry)

// Extract
DecompressZip(
  GetGameSavedDirectory() + "backup.zip",
  GetGameSavedDirectory() + "Restored/"
)