On Tue 17 Nov 2015 at 14:57:58 -0500, shawn wilson wrote: > On Tue, Nov 17, 2015 at 2:53 PM, Brian <a...@cityscape.co.uk> wrote: > > On Tue 17 Nov 2015 at 14:05:25 -0500, shawn wilson wrote: > > > >> On Tue, Nov 17, 2015 at 1:56 PM, Brian <a...@cityscape.co.uk> wrote: > >> > On Tue 17 Nov 2015 at 13:08:49 -0500, shawn wilson wrote: > >> > > >> >> 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: > >> >> >> On Nov 16, 2015 5:37 PM, "Lisi Reisz" <lisi.re...@gmail.com> wrote: > >> >> >> > department has been trying for an hour". Puzzled, because I > >> >> >> > thought I had > >> >> >> > sent a .pdf, and had checked that it opened fine in Evince, I > >> >> >> > looked at > >> >> >> the > >> >> >> > file - groaned - and renamed scan-foo to scan-foo.pdf. When > >> >> >> > resent it > >> >> >> > >> >> >> 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. > >> > > >> > You would have to give a specific example where a file processed by a > >> > program or script fails to open for this argument to be convincing, You > >> > also have to distinguish between data in the file and information the > >> > extension conveys to the program. > >> > >> How about just that vim filetype relies on the filename to determine the > >> format? > > > > "vim filetype". I don't know what you mean. 'vim /usr/bin/vim' opens the > > file. I do not understand a word of the display but it does open it. An > > extension doesn't seem to have a part to play in the file's opening. > > > > Your way of setting filetype is by looking at the extension - for example: > :autocmd BufRead *.js set filetype=javascript > > Same goes for *.pl or *.pm or *.py or *.c, etc
You have completely lost me now. You were the one who said You loose what the file type (data) should be if you save a file w/o an extension. I'm saying you do not need an extension to open a file. I've also asked for a *concrete example* of a program not opening a file because of the lack of an extension. It hasn't yet been given.