I have a list of vectors, all forced to be the same length:

testlist <- list(
   shape=c(0, 0, 2),
 cell.fill=c("red","blue","green"),
   back.fill=rep("white",3),
   scale.max=rep(100,3)
   )
> str(testlist)
List of 4
$ shape    : num [1:3] 0 0 2
$ cell.fill: chr [1:3] "red" "blue" "green"
$ back.fill: chr [1:3] "white" "white" "white"
$ scale.max: num [1:3] 100 100 100
>

I need to 'transpose' them into a list of lists with named values like so:

wanted <- list(
   list(shape=0, cell.fill="red", back.fill="white", scale.max=100),
   list(shape=0, cell.fill="blue", back.fill="white", scale.max=100),
   list(shape=2, cell.fill="green", back.fill="white", scale.max=100)
   )
> str(wanted)
List of 3
$ :List of 4
 ..$ shape    : num 0
 ..$ cell.fill: chr "red"
 ..$ back.fill: chr "white"
 ..$ scale.max: num 3
$ :List of 4
 ..$ shape    : num 0
 ..$ cell.fill: chr "blue"
 ..$ back.fill: chr "white"
 ..$ scale.max: num 3
$ :List of 4
 ..$ shape    : num 2
 ..$ cell.fill: chr "green"
 ..$ back.fill: chr "white"
 ..$ scale.max: num 3
>

How can I do this in general?

--
Michael Friendly Email: friendly AT yorku DOT ca Professor, Psychology Dept.
York University      Voice: 416 736-5115 x66249 Fax: 416 736-5814
4700 Keele Street    http://www.math.yorku.ca/SCS/friendly.html
Toronto, ONT  M3J 1P3 CANADA

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