the zip format compresses each file individually, so zipping a zip file actually can save some space; particularly the metadata is effectively uncompressed, and will be compressed in the zipped-zip. Probably the very best compression possible is by using no compression to collect the individual files into a single archive and then using maximum ...

Oct 20, 2010 · Binary compressed files won't make much difference. For ZIP file format from PKWare, compression rate is about 4 times higher than compact (from testing on Win 10) and incorporates a range of compression algorithms such as Deflate, BZip, LZW, LZMA, LZ77, PPMd, etc

Feb 20, 2010 · To make the script fully self-contained it creates an empty ZIP file to get started (one could also create an empty ZIP file and copy it to the target system along with the VBScript script). VBScript has been installed by default in every desktop release of Microsoft Windows since Windows 98. CScript.exe is part of Windows Script Host. Windows ...

Mar 31, 2016 · Inside ALL.zip zip, delete these files you just extracted (avoiding mistaken re-extractions) and navigate to the next folder or subset of files; Repeat one of the following: steps 1 to 5 if you plan to create an independent zip file; steps 1 to 3 and reuse the same folder name (step 4) until their collective sizes are approximately 20MB;

Also it's better to read from disk1 and write your ZIP to disk2, as the physical head does not move from read to write. Sample line to get maximum ZIP speed while keeping your machine performance: start "" /wait /belownormal c:\Progra~1\7-Zip\7z.exe a -tzip -mx=1 -mmt=off t:\backup.zip d:\folderToBackup\* D: and T: are 2 different physical disks

Apr 17, 2017 · Though, if you have a shell access to the server, you can use a shell command to ZIP the files. That's actually, what the Tar/GZip custom command does. If you want it in one-go (zip-and-download), there's now a WinSCP extension that does exactly this: Archive remote files to ZIP archive, download it, and optionally extract it.

Sep 4, 2009 · Click the button "Always use the selected program to open this kind of file" at the bottom and then double click on the program you want to use. This should then open up ZIP files in a new default program. If this method does not work, I can give you the manual instructions for reassigning .zip with Explorer, but this is by far the quickest.

Mar 1, 2018 · Right-click on the file to edit and select "Edit" (alternative shortcut = F4). Make your changes, save them and close the editor window - 7-Zip will only detect the file has changed when the editor has been closed. When 7-Zip detects the file has been changed it will display a prompt such as "File 'abc.txt' was modified.

The easiest way to do this is within 7-Zip - navigate to the folder in the 7-Zip file manager, right-click on the first file in the sequence, and select "Combine Files..." from the context menu. It can also be easily done on the command line. On Windows: copy /B input.z* output.zip

The smallest possible zip file that 7-Zip can create can be done with the following command line: 7za a -mm=Deflate -mfb=258 -mpass=15 -r C:\Path\To\Archive.zip C:\Path\To\Files\* Of particular note: 7-Zip's wildcard parser is not the same as most others on the system. *.* means all files that have extensions. * means all files.