It seems the object file name can not be as same as directory name. I do not know why. ========================== 7za a -t7z images.7z images 7-Zip (A) 9.20 Copyright (c) 1999-2010 Igor Pavlov 2010-11-18 p7zip Version 9.20 (locale=zh_CN.utf8,Utf16=on,HugeFiles=on,2 CPUs) Error: images.7z is not supported archive System error: 2012/3/27 Kyrill Detinov <lazy.kent@xxxxxxxxxxxx> > > On Tue, 27 Mar 2012 11:45:28 +0800 ccpaging wrote: > > > sh>7za a -t7z -so "images" > "images.7z" (2997) return '2' > > Confirmed. > > > // "7za a -t7z %s %%f", adds to any existing archive > > ">7za a -t7z -so %%f > %s", //CHECKME > > Why don't we use "7za a -t7z %s %%f" ? > > -- > WBR > Kyrill > > > -- > Users can unsubscribe from the list by sending email to > emelfm2-request@xxxxxxxxxxxxx with 'unsubscribe' in the subject field or > by logging into the web interface. >