sum

Table of contents

Prototype:sum(list)

Return type:real

Description: Return the sum of the reals inlist.

This function can accept many types of data parameters.

This function might be used for simple ring computation. Of course, you couldeasily combinesum withreadstringarray orreadreallist etc., to collectsummary information from a source external to CFEngine.

Arguments:

list:string - CFEngine variable identifier or inline JSON - in the range:.*

Example:

code

bodycommoncontrol{bundlesequence=>{"test"};}bundleagenttest{vars:"adds_to_six"ilist=>{"1","2","3"};"six"real=>sum("adds_to_six");"adds_to_zero"rlist=>{"1.0","2","-3e0"};"zero"real=>sum("adds_to_zero");reports:"six is$(six), zero is$(zero)";}