Hi, On Wed, May 20, 2020 at 06:26:59PM -0700, Kaz Kylheku (Coreutils) wrote: > On 2020-05-20 14:15, Bertrand Jacquin wrote: > > In the fashion of make and git, add the ability for all sum tools to > > change directory before reading a file. > > > > $ sha256sum /etc/fstab > > b5d6c0e5e6bc419b134478ad7b3e7c8cc628049876a7772cea469e81e4b0e0e5 > > /etc/fstab > > Make requires this option because it reads a Makefile, and those often > contain relative references which assume that the Makefile's directory > is current. > > The inputs to md5sum don't don't contain path references that break. > > In other regards, every tool that does anything with files could > have a -C option: > > Copying files: > > cp -C /etc fstab fstab.bak > > Executing a script: > > sh -C /etc rc.local > > Editing: > > vi -C /etc fstab > > Where does it end?
This definitely make sense > > $ sha256sum -C /etc fstab > > b5d6c0e5e6bc419b134478ad7b3e7c8cc628049876a7772cea469e81e4b0e0e5 > > fstab > > The net effect is that just the output has changed to omit the path > name. > > Maybe this wants to be a --strip or -p option like with diff or patch, > or --basename-only to strip a variable number of components, leaving > only > the last. This seems to be a better approach indeed. I just sent a new patch using base_name from coreutils itself. Cheers, -- Bertrand
