"# 7zip-repack"
Test1 - pipe-based repack to APPEND file to solid .tar.7z archive
Linux
```
export INARCHNAME="test1in.tar.7z"
export ARCPARAMS=-t7z -m0=lzma2 -mx=9 -mfb=273 -md=4g -mmt=3 -ms=16777215t -mqs=on -slp #just some params for maximum compression
#test1 - inline append ./src/4.txt to .tar.7z
(7z x $INARCHNAME -so | head -c -512 ; tar -C src -cf - 4.txt | cat) | 7z a -si $ARCPARAMS out_test1.tar.7z
```
Windows
```
Use append_win.cmd
Known issues
- if new file have same name with existing one - will store 2 files together
```
Exctract Test1 - 1 step extract single files from .tar.7z - via TAR
export INARCHNAME="out_test1.tar.7z"
7z x $INARCHNAME -so | tar -xvv 3.txt
Exctract Test2 - 1 step extract single files from .tar.7z - via 7z
export INARCHNAME="out_test1.tar.7z"
7z x $INARCHNAME -so | 7z x -aoa -si -ttar 2.txt