strip whitespace from given string

---

Parameters

strip string :string :literal :pathliteral

Attributes

start		strip leading whitespace
end		strip trailing whitespace

Returns

Examples

copy
str: "     Hello World     "

print ["strip all:"      ">" strip str       "<"]
print ["strip leading:"  ">" strip.start str "<"]
print ["strip trailing:" ">" strip.end str   "<"]

; strip all: > Hello World < 
; strip leading: > Hello World      < 
; strip trailing: >      Hello World <

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