Add tool manpages and set up the Makefile to install the manuals

While at it, refactor the makefile a bit.

1 files changed, 51 insertions, 0 deletions

diff --git a/2ff.1 b/2ff.1
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+.Dd 2016-01-05
+.Dt 2FF 1
+.Os suckless.org
+.Sh NAME
+.Nm 2ff
+.Nd convert image to farbfeld
+.Sh SYNOPSIS
+.Nm
+.Sh DESCRIPTION
+.Nm
+reads an image from stdin, converts it to
+.Xr farbfeld 5
+and writes the result to stdout.
+.Pp
+.Nm
+is a wrapper script around the *2ff-tools
+with a soft fallback to obtaining a PNG from imagemagick's
+.Xr convert 1
+and passing it through
+.Xr png2ff 1 .
+.Pp
+In case of an error
+.Nm
+writes a diagnostic message to stderr.
+.Sh EXIT STATUS
+.Bl -tag -width Ds
+.It 0
+Image processed successfully.
+.It 1
+An error occurred or
+.Xr convert 1
+was not found in the fallback.
+.El
+.Sh EXAMPLES
+$
+.Nm
+< image.* > image.ff
+.Pp
+$
+.Nm
+< image.* | bzip2 > image.ff.bz2
+.Sh SEE ALSO
+.Xr bunzip2 1 ,
+.Xr bzip2 1 ,
+.Xr convert 1 ,
+.Xr ff2png 1 ,
+.Xr jpg2ff 1 ,
+.Xr png2ff 1 ,
+.Xr farbfeld 5
+.Sh AUTHORS
+.An Laslo Hunhold Aq Mt dev@frign.de