This has been released:
https://portableapps.com/apps/utilities/peazip_portable
Base App: PeaZip
Category: - Utilities
About:
PeaZip is an LGPL file compression tool that also combines features to split and join files, perform checksum, hash or byte to byte comparison of files, wipe files (secure file deletion), compress executables with strip/UPX and benchmark system's performances.
Supported Archive Formats:
* Full support
7Z, ARC/WRC, BZ2/TBZ2, GZ/TGZ, PAQ/LPAQ, PEA, QUAD, split, TAR, UPX, ZIP
* Open, browse, extract, test
ACE, ARJ, CAB, CHM, COMPOUND (MSI, DOC, XLS, PPT), CPIO, ISO, Java (JAR, EAR, WAR), Linux (DEB, PET/PUP, RPM, SLP), LHA/LZH, NSIS, OOo, PAK/PK3/PK4, RAR, WIM, XPI, Z/TZ.
Edit: Still Development Test 1, just fixed some typos
Edit2: Development Test 2
Edit3: Development Test 3
Added code to update drive letters in History section of settings file