replace()

Replace

Replaces the value of the header with another value on every line.

If a header is passed as the first argument its value is replaced.

If a header name or index is passed as the first argument the identified header's value is replaced.

For example, $[*][@a = line_number() replace(#order_number, @a)]

Data signatures
replace( replace value: $${\color{green}None}$$ ǁ $${\color{green}Any}$$, replacement: $${\color{green}Any}$$ )
replace( replace by header identity: $${\color{green}int}$$ ǁ $${\color{green}str}$$, replacement: $${\color{green}None}$$ ǁ $${\color{green}Any}$$ )

Call signatures
replace( replace value: Header, replacement: Term ǁ Variable ǁ Header ǁ Function ǁ Reference )
replace( replace by header identity: Term, replacement: Term ǁ Variable ǁ Header ǁ Function ǁ Reference )

Purpose	Value
Main focus	replace() is a side-effect

Context	Qualifier
Match qualifiers	onmatch
Value qualifiers	onmatch

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