<![CDATA[decompress tar.gz]]>how do i decompress a file

QTemporaryFile* file = some input file i got it
QString myFile =/home/test/xx.tar.gz;

file->copy(myFile);

i want extract file into myFile path

]]>https://forum.qt.io/topic/114320/decompress-tar-gzRSS for NodeSat, 25 Apr 2026 16:16:12 GMTFri, 01 May 2020 18:55:38 GMT60<![CDATA[Reply to decompress tar.gz on Fri, 01 May 2020 19:25:31 GMT]]>If you want tar to do something you have to pass it arguments, not just the archive name.

If you take a look at the documentation I linked to, you'll see how to build the argument list to pass as second argument to the start method.

]]>https://forum.qt.io/post/592057https://forum.qt.io/post/592057Fri, 01 May 2020 19:25:31 GMT<![CDATA[Reply to decompress tar.gz on Fri, 01 May 2020 19:25:25 GMT]]>@SGaist

so in this case its

myProcess->start(tar, filepath);?

also after finish untar does qprocess automatically terminate? or i have to kill it

]]>https://forum.qt.io/post/592056https://forum.qt.io/post/592056Fri, 01 May 2020 19:25:25 GMT<![CDATA[Reply to decompress tar.gz on Fri, 01 May 2020 19:21:53 GMT]]>No, if tar is properly installed, you can just call it without any special path before it.

]]>https://forum.qt.io/post/592055https://forum.qt.io/post/592055Fri, 01 May 2020 19:21:53 GMT<![CDATA[Reply to decompress tar.gz on Fri, 01 May 2020 19:21:58 GMT]]>well i have some trouble find the "tar" program, i remember qprocess is like this

myProcess->start(program, arguments);
arguments=path of tar.gz
program =path of tar program which i have no idea where is at under my linux.

also if i run on another linux not sure tar app gonna be at same location.

]]>https://forum.qt.io/post/592053https://forum.qt.io/post/592053Fri, 01 May 2020 19:21:58 GMT<![CDATA[Reply to decompress tar.gz on Fri, 01 May 2020 19:08:53 GMT]]>You can. What is your issue with QProcess ?

]]>https://forum.qt.io/post/592048https://forum.qt.io/post/592048Fri, 01 May 2020 19:08:53 GMT<![CDATA[Reply to decompress tar.gz on Fri, 01 May 2020 19:07:21 GMT]]>would using system() command work too? so i dont have to do the qprocess

]]>https://forum.qt.io/post/592047https://forum.qt.io/post/592047Fri, 01 May 2020 19:07:21 GMT<![CDATA[Reply to decompress tar.gz on Fri, 01 May 2020 19:02:37 GMT]]>Hi,

Either use QProcess to call the tar command line tool or use the KArchive library

]]>https://forum.qt.io/post/592043https://forum.qt.io/post/592043Fri, 01 May 2020 19:02:37 GMT