On Thursday, October 29, 2020 11:41:03 AM CET Alessandro Forghieri wrote: > Greetings. > > Just stumbled upon this: > > *# md5sum > ./Development/rss/rss/STAGING/BATTITI_del_27_11_2016_-_Battiti_Live:_Arsene_ > Duevi\\Roberto_Zanisi.mp3 \d41d8cd98f00b204e9800998ecf8427e > ./Development/rss/rss/STAGING/BATTITI_del_27_11_2016_-_Battiti_Live:_Arsene_ > Duevi\\Roberto_Zanisi.mp3* > > *# cp > ./Development/rss/rss/STAGING/BATTITI_del_27_11_2016_-_Battiti_Live:_Arsene_ > Duevi\\Roberto_Zanisi.mp3 /tmp/qlo > # md5sum /tmp/qlo > d41d8cd98f00b204e9800998ecf8427e /tmp/qlo** > * > > IE, in the first instance a '\' character is prepended to the output. > The file itself is an empty file, so I guess the file content is > irrelevant to the apparent bug. > > Running coreutils-8.31-6.fc30.x86_64 on Linux 5.6.13-100.fc30.x86_64+debug
This is the documented behavior of md5sum [1]: "Without ‘--zero’, if FILE contains a backslash or newline, the line is started with a backslash, and each problematic character in the file name is escaped with a backslash, making the output unambiguous even in the presence of arbitrary file names." Kamil [1] https://www.gnu.org/software/coreutils/manual/html_node/md5sum-invocation.html > To communicate, cc me, as I am not a ML subscriber. > > Cheers,