Le 19/02/2014 19:58, john Culleton a ?crit : > On Wed, 19 Feb 2014 19:49:37 +0100 > JLuc <jluc at no-log.org> wrote: > >> Le 19/02/2014 19:43, john Culleton a ?crit : >>> [...] How do I convert all the >>> color illos [...] >>> to grayscale [...] ? I can do >>> them one at a time in Gimp [...] >> >> Duplicate your image folder, launch a terminal >> in the copied folder and go : >> mogrify -type Grayscale *.jpg >> >> that should do it >> >> JL > > > OK but what about using *png instead?
It sometime is a good idea. Have a try ! JL
