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7-Zip for installers 9.38 |
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7-Zip is a file archiver for Windows NT/2000/2003/2008/XP/Vista/7/8/10. |
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7-Zip for installers is part of LZMA SDK. |
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LZMA SDK is written and placed in the public domain by Igor Pavlov. |
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It's allowed to join 7-Zip SFX module with another software. |
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It's allowed to change resources of 7-Zip's SFX modules. |
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HOW to use |
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7zr.exe is reduced version of 7za.exe of 7-Zip. |
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7zr.exe supports only format with these codecs: LZMA, LZMA2, BCJ, BCJ2, ARM, Copy. |
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Example of compressing command for installation packages: |
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7zr a archive.7z files |
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7zSD.sfx is SFX module for installers. 7zSD.sfx uses msvcrt.dll. |
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SFX modules for installers allow to create installation program. |
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Such module extracts archive to temp folder and then runs specified program and removes |
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temp files after program finishing. Self-extract archive for installers must be created |
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as joining 3 files: SFX_Module, Installer_Config, 7z_Archive. |
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Installer_Config is optional file. You can use the following command to create installer |
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self-extract archive: |
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copy /b 7zSD.sfx + config.txt + archive.7z archive.exe |
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The smallest installation package size can be achieved, if installation files was |
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uncompressed before including to 7z archive. |
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-y switch for installer module (at runtime) specifies quiet mode for extracting. |
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Installer Config file format |
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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Config file contains commands for Installer. File begins from string |
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;!@Install@!UTF-8! and ends with ;!@InstallEnd@!. File must be written |
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in UTF-8 encoding. File contains string pairs: |
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ID_String="Value" |
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ID_String Description |
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Title Title for messages |
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BeginPrompt Begin Prompt message |
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Progress Value can be "yes" or "no". Default value is "yes". |
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RunProgram Command for executing. Default value is "setup.exe". |
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Substring %%T will be replaced with path to temporary |
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folder, where files were extracted |
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Directory Directory prefix for "RunProgram". Default value is ".\\" |
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ExecuteFile Name of file for executing |
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ExecuteParameters Parameters for "ExecuteFile" |
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You can omit any string pair. |
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There are two ways to run program: RunProgram and ExecuteFile. |
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Use RunProgram, if you want to run some program from .7z archive. |
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Use ExecuteFile, if you want to open some document from .7z archive or |
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if you want to execute some command from Windows. |
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If you use RunProgram and if you specify empty directory prefix: Directory="", |
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the system searches for the executable file in the following sequence: |
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1. The directory from which the application (installer) loaded. |
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2. The temporary folder, where files were extracted. |
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3. The Windows system directory. |
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Config file Examples |
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~~~~~~~~~~~~~~~~~~~~ |
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;!@Install@!UTF-8! |
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Title="7-Zip 4.00" |
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BeginPrompt="Do you want to install the 7-Zip 4.00?" |
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RunProgram="setup.exe" |
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;!@InstallEnd@! |
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;!@Install@!UTF-8! |
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Title="7-Zip 4.00" |
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BeginPrompt="Do you want to install the 7-Zip 4.00?" |
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ExecuteFile="7zip.msi" |
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;!@InstallEnd@! |
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;!@Install@!UTF-8! |
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Title="7-Zip 4.01 Update" |
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BeginPrompt="Do you want to install the 7-Zip 4.01 Update?" |
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ExecuteFile="msiexec.exe" |
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ExecuteParameters="/i 7zip.msi REINSTALL=ALL REINSTALLMODE=vomus" |
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;!@InstallEnd@! |
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Small SFX modules for installers |
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-------------------------------- |
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7zS2.sfx - small SFX module (GUI version) |
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7zS2con.sfx - small SFX module (Console version) |
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Small SFX modules support this codecs: LZMA, LZMA2, BCJ, BCJ2, ARM, COPY |
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Small SFX module is similar to common SFX module for installers. |
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The difference (what's new in small version): |
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- Smaller size (30 KB vs 100 KB) |
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- C source code instead of <EFBFBD>++ |
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- No installer Configuration file |
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- No extracting progress window |
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- It decompresses solid 7z blocks (it can be whole 7z archive) to RAM. |
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So user that calls SFX installer must have free RAM of size of largest |
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solid 7z block (size of 7z archive at simplest case). |
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How to use |
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---------- |
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copy /b 7zS2.sfx + archive.7z sfx.exe |
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When you run installer sfx module (sfx.exe) |
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1) It creates "7zNNNNNNNN" temp folder in system temp folder. |
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2) It extracts .7z archive to that folder |
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3) It executes one file from "7zNNNNNNNN" temp folder. |
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4) It removes "7zNNNNNNNN" temp folder |
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You can send parameters to installer, and installer will transfer them to extracted .exe file. |
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Small SFX uses 3 levels of priorities to select file to execute: |
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1) Files in root folder have higher priority than files in subfolders. |
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2) File extension priorities (from high to low priority order): |
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bat, cmd, exe, inf, msi, cab (under Windows CE), html, htm |
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3) File name priorities (from high to low priority order): |
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setup, install, run, start |
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Windows CE (ARM) version of 7zS2.sfx is included to 7-Zip for Windows Mobile package. |
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Examples |
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-------- |
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1) To create compressed console 7-Zip: |
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7zr a c.7z 7z.exe 7z.dll -mx |
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copy /b 7zS2con.sfx + c.7z 7zCompr.exe |
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7zCompr.exe b -md22 |
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2) To create compressed GUI 7-Zip: |
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7zr a g.7z 7zg.exe 7z.dll -mx |
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copy /b 7zS2.sfx + g.7z 7zgCompr.exe |
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7zgCompr.exe b -md22 |
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3) To open some file: |
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7zr a h.7z readme.txt -mx |
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copy /b 7zS2.sfx + h.7z 7zTxt.exe |
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7zTxt.exe
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