.TH EXAMINE 9.1
.SH NAME
examine \- examine pixel values interactively
.SH SYNOPSIS
.B fb/examine
[
.I input
]
.SH DESCRIPTION
.I Examine
displays an approximation of its argument picture file
(default standard input) in the middle of the screen or window
and waits for mouse input.  Button 1 selects
pixels, whose coordinates and values are written to standard
output.  Button 2 refreshes the display, which can be overwritten
by
.IR examine 's
output.  Button 3 exits.
.SH "SEE ALSO
.IR picfile (9.6)
.SH BUGS
For compatibility with other programs, buttons 2 and 3
should pop up menus.  But single-item menus are silly, and it's
too much to have two of them.