/usr/share/lives/plugins/effects/RFXscripts/ is in lives-data 2.8.7-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/lives/plugins/effects/RFXscripts/blank_frames.script
/usr/share/lives/plugins/effects/RFXscripts/blur.script
/usr/share/lives/plugins/effects/RFXscripts/brightness_change.script
/usr/share/lives/plugins/effects/RFXscripts/charcoal.script
/usr/share/lives/plugins/effects/RFXscripts/colorize.script
/usr/share/lives/plugins/effects/RFXscripts/colour_filter.script
/usr/share/lives/plugins/effects/RFXscripts/colour_replace.script
/usr/share/lives/plugins/effects/RFXscripts/contrast.script
/usr/share/lives/plugins/effects/RFXscripts/cycle.script
/usr/share/lives/plugins/effects/RFXscripts/deinterlace.script
/usr/share/lives/plugins/effects/RFXscripts/despekle.script
/usr/share/lives/plugins/effects/RFXscripts/dream.script
/usr/share/lives/plugins/effects/RFXscripts/edge_detect.script
/usr/share/lives/plugins/effects/RFXscripts/emboss.script
/usr/share/lives/plugins/effects/RFXscripts/enhance.script
/usr/share/lives/plugins/effects/RFXscripts/fade_in_out.script
/usr/share/lives/plugins/effects/RFXscripts/flip.script
/usr/share/lives/plugins/effects/RFXscripts/flop.script
/usr/share/lives/plugins/effects/RFXscripts/frame_calculator.script
/usr/share/lives/plugins/effects/RFXscripts/gamma_change.script
/usr/share/lives/plugins/effects/RFXscripts/gen_blank_frames.script
/usr/share/lives/plugins/effects/RFXscripts/gen_clip_from_image.script
/usr/share/lives/plugins/effects/RFXscripts/gen_coloured_frames.script
/usr/share/lives/plugins/effects/RFXscripts/gen_text.script
/usr/share/lives/plugins/effects/RFXscripts/hue_change.script
/usr/share/lives/plugins/effects/RFXscripts/image_overlay.script
/usr/share/lives/plugins/effects/RFXscripts/jumble.script
/usr/share/lives/plugins/effects/RFXscripts/modulate.script
/usr/share/lives/plugins/effects/RFXscripts/monochrome.script
/usr/share/lives/plugins/effects/RFXscripts/negate.script
/usr/share/lives/plugins/effects/RFXscripts/noisify.script
/usr/share/lives/plugins/effects/RFXscripts/normalize.script
/usr/share/lives/plugins/effects/RFXscripts/photo_still.script
/usr/share/lives/plugins/effects/RFXscripts/pixilate.script
/usr/share/lives/plugins/effects/RFXscripts/posterize.script
/usr/share/lives/plugins/effects/RFXscripts/randomzoom.script
/usr/share/lives/plugins/effects/RFXscripts/resize.script
/usr/share/lives/plugins/effects/RFXscripts/rotate.script
/usr/share/lives/plugins/effects/RFXscripts/saturation_change.script
/usr/share/lives/plugins/effects/RFXscripts/sepia.script
/usr/share/lives/plugins/effects/RFXscripts/shift_horizontal.script
/usr/share/lives/plugins/effects/RFXscripts/shift_vertical.script
/usr/share/lives/plugins/effects/RFXscripts/shrink_expand.script
/usr/share/lives/plugins/effects/RFXscripts/skip_forwards.script
/usr/share/lives/plugins/effects/RFXscripts/solarize.script
/usr/share/lives/plugins/effects/RFXscripts/spin.script
/usr/share/lives/plugins/effects/RFXscripts/spread.script
/usr/share/lives/plugins/effects/RFXscripts/swirl.script
/usr/share/lives/plugins/effects/RFXscripts/textover.script
/usr/share/lives/plugins/effects/RFXscripts/transition_bwthresh.script
/usr/share/lives/plugins/effects/RFXscripts/transition_checkerboard.script
/usr/share/lives/plugins/effects/RFXscripts/transition_fade.script
/usr/share/lives/plugins/effects/RFXscripts/transition_splice.script
/usr/share/lives/plugins/effects/RFXscripts/trim_frames.script
/usr/share/lives/plugins/effects/RFXscripts/tunnel.script
/usr/share/lives/plugins/effects/RFXscripts/wave.script