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for

A control statement that loops through a range of numbers of a list of elements

Syntax​

The for statement comes in 2 flavours:

Looping through a range of numbers​
for varname = expression TO expression (step number)?
  (statement)* 
next

The optional step operator is the number to iterate by which defaults to 1

Looping through a list of elements​
for varname in expression
  (statement)* 
next

Description​

The for statement is used to iterate through numbers or elements and execute some code.

Examples​

Iterating through a range of values

// Print out the numbers 1 to 10
for i=1 to 10
  print i
next

Iterating through a range of values using a step value

// Print the number 2, 4, 6, 8 and 10
for i=2 to 10 step 2
  print i
next

Iteration through values in an array

for i in [1,7,2,10]
  print i ^ 2
next

Getting a list of available currencies and iterating through them printing our the currency pair

currencies = find ${currency:public}
for fx in currencies
  print fx.currency + "/" + fx.base
next