Divide

Divide behaves differently according to the type of the LHS:
strings: split by the divider
number: arithmetic division
String split
Given a sample.yml file of:
a: cat_meow
b: _
then
yq '.c = .a / .b' sample.yml
will output
a: cat_meow
b: _
c:
  - cat
  - meow
Number division
The result during division is calculated as a float
Given a sample.yml file of:
a: 12
b: 2.5
then
yq '.a = .a / .b' sample.yml
will output
a: 4.8
b: 2.5
Number division by zero
Dividing by zero results in +Inf or -Inf
Given a sample.yml file of:
a: 1
b: -1
then
yq '.a = .a / 0 | .b = .b / 0' sample.yml
will output
a: !!float +Inf
b: !!float -Inf

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