Manage tar with label
A free file archiver for extremely high compression
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7-Zip 20.02 alpha (x64, Win10) or previous stable not able to manage tar file with a label (GNU tar) :
$ tar --label="Test" -cf label.tar file.txt
$ tar --test-label -f label.tar
Test
$
$ 7z t label.tar
7-Zip 20.02 alpha (x64) : Copyright (c) 1999-2020 Igor Pavlov : 2020-08-08
Scanning the drive for archives:
1 file, 10240 bytes (10 KiB)
Testing archive: label.tar
ERROR: label.tar
label.tar
Open ERROR: Cannot open the file as [tar] archive
ERRORS:
Is not archive
Can't open as archive: 1
Files: 0
Size: 0
Compressed: 0
$
Thanks for report!
I'll improve the code for that case in next version of 7-Zip.