Nuke Shadow/Highlight limiter

gistfile1.tcl

set cut_paste_input [stack 0]
version 6.3 v8
push $cut_paste_input
Colorspace {
 colorspace_out HSV
 name Colorspace1
 selected true
 xpos 479
 ypos 315
}
set Na00e100 [stack 0]
Dot {
 name Dot5
 selected true
 xpos 732
 ypos 319
}
Expression {
 expr2 b<cut?b:(b-cut)*multiplier+cut
 name HighlightLimiter2
 selected true
 xpos 698
 ypos 337
 addUserKnob {20 User}
 addUserKnob {7 cut}
 addUserKnob {7 multiplier}
}
Expression {
 expr2 b>cut?b:((b-cut)*multiplier)+cut
 name ShadowLimiter2
 selected true
 xpos 698
 ypos 383
 addUserKnob {20 User}
 addUserKnob {7 cut}
 addUserKnob {7 multiplier}
}
push $Na00e100
ShuffleCopy {
 inputs 2
 blue blue
 name ShuffleCopy1
 selected true
 xpos 698
 ypos 432
}
Colorspace {
 colorspace_in HSV
 name Colorspace2
 selected true
 xpos 698
 ypos 531
}