On Tue, Nov 17, 2015 at 1:25 PM, Elimar Riesebieter <riese...@lxtec.de> wrote: > * shawn wilson <ag4ve...@gmail.com> [2015-11-17 13:08 -0500]: > >> On Tue, Nov 17, 2015 at 1:02 PM, Chris Bannister >> <cbannis...@slingshot.co.nz> wrote: >> > On Tue, Nov 17, 2015 at 09:31:53AM -0500, shawn wilson wrote: > > [...] > >> >> communicated (via its extension). If you create a pdf, it is bad to not >> >> have the pdf extension - you've lost data. >> > >> > How have you lost data? >> > >> >> You loose what the file type (data) should be if you save a file w/o >> an extension. Again, this is fine for an installed program (no one >> cares as long as it works) but not so good for data that is processed >> by another program or a script I want to edit. > > PDF files are recognized by their header not their extension. Create > a test.pdf. Copy it to test and test.blo. They will always be > recognized as pdf documents from evince and alike. >
Quoting myself (sorry): > Magic shouldn't be used when a file type is known
