/usr/share/gnudatalanguage/lib/query_png.pro is in libgnudatalanguage0 0.9.7-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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; by Sylwester Arabas <slayoo (at) igf.fuw.edu.pl>
;
function QUERY_PNG, filename, info
;
ON_ERROR, 2
;
; Do we have access to ImageMagick functionnalities ??
;
if (MAGICK_EXISTS() EQ 0) then begin
MESSAGE, /continue, "GDL was compiled without ImageMagick support."
MESSAGE, "You must have ImageMagick support to use this functionaly."
endif
;
return, MAGICK_PING(filename, 'PNG', info=info)
;
end
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