"application/x-xz-compressed-tar"	.tar.xz	"tar -Jtvf %s"	"tar -Jxvf %s"
"application/x-xz-compressed-tar"	.txz	"tar -Jtvf %s"	"tar -Jxvf %s"
"application/x-xz"	.xz	"echo %s | sed 's/.xz$//g'"	"xz -df %s"
