[Divers] 7-Zip v4.20

– BZip2 code was rewritten. Now it supports 3 modes: Normal, Maximum and
Ultra. In Normal mode it compresses almost as original BZip2 compressor.
Compression ratio in Maximum and Ultra modes is 1-3% better for some files,
but Maximum Mode is about 3 times slower and Ultra Mode is about 8 times
slower than Normal mode.
– Console version now prints all messages to stdout by default,
and if -so switch is specified, 7-Zip prints messages to stderr.
– Some bugs were fixed
– New localizations: Azeri, Georgian

– Bug in v4.17 beta was fixed: 7-Zip File Manager could crash
after some operations with archives

– To increase protection from viruses, 7-Zip now does not open
files with more than 4 continuous spaces in the name.
And 7-Zip changes such long spaces in name to  » …  » in the file list.
– Code size optimization
– Some files were moved from main package to extra package:
– Plugin for FAR Manager
– SFX modules for installers (7zS.sfx and 7zSD.sfx)
– New localizations: Asturian, Indonesian

– Speed optimization (5%) for 7z / LZMA
– 7za.exe now supports .Z archives
– -r- switch in command line now is default for all commands
– Some bugs were fixed
– New localization: Uzbek

– Z format supporting (extracting only)
– 7-Zip now can extract ZIP archives compressed with « Shrink » method
– 7-Zip now doesn’t interrupt the compressing when it can not open file.
7-Zip just skips that file and shows warning.
– Some bugs were fixed
– New localization: Frisian

– 7-Zip installer was created with NSIS.
Now it installs 7-Zip for all users (under Windows 2000/XP).
– Now 7-Zip can create multivolume archives
(switch -v for command line)
– Some bugs were fixed
– New localizations: Breton, Farsi

– Switch « — » stops switches parsing
– Some bugs were fixed

– Bug in v4.11 beta was fixed:
7-Zip created incorrect ZIP archives if file size was
from 3.75 GB to 4 GB.

– 7-Zip now shows file names during compressing/decompressing
– 7-Zip now supports Zip64 extension of ZIP format. So now it’s
possible to compress files bigger than 4 GB to ZIP archives.
– Some bugs were fixed
– New localization: Galician

– Bugs in v4.0* were fixed:
– Some commands in command line with « -r » switch worked incorrectly,
so 7-zip could skip some files during compressing
– Some other bugs were fixed
– Small internal changes

– Bugs in v4.0* were fixed:
– Renaming inside archives didn’t work or worked incorrectly
– GUI SFX didn’t show extracting dialog at start
– Small fixes in 7-Zip GUI (7zG.exe)

– Bug in installer for v4.07 was fixed: when rebooting
is required, it rebooted without asking user
– Small fixes in 7-Zip GUI (7zG.exe)

– Big amount of code was changed in this beta version.
So don’t use it for important data compressing.
And test archive after compressing.
– Unified command line interface to GUI and console versions
– 7-Zip now can extract or test several archives in one command
– 7-Zip now doesn’t interrupt the compressing when file is locked by
other application. 7-Zip just skips that file and shows warning.
Note: previous versions of 7-Zip had bug, so they can not unpack
non-solid and some solid 7z archives with such skipped files.
– Command line interface was changed:
– now it’s possible to use absolute pathnames
– syntax simplification:
was: 7z a a Folder1* Folder2* -r
now: 7z a a Folder1 Folder2
– now it’s possible to use complex wildcard commands, like **111**
– More smart detection of archive type for files with unusual
file name extensions
– Supporting for RAR archives with encrypted headers
– CPIO format supporting was improved
– For GZip and BZip2 formats you can:
– Compress from stdin (-si switch)
– Compress to stdout (-so switch)
– Extract to stdout (-so switch)
– 7-Zip File Manager:
– Split and Combine commands
– new list view options: Full row select, Show grid lines
– Internal reconstruction
– Some bugs were fixed
– New localizations: Friulian, Macedonian, Mongolian, Tamil, Thai