==== ROLLD ====
----
<callout type="primary" color="" icon="fa fa-book" title="Synopsis">
----
Move object at level 1 to level N
</callout>

<callout color="green" icon="fa fa-indent" title="Stack Diagram">
----
^  __Input Stack__  ^^^^^  ^  __Output Stack__  ^^^^^
|  **O<sub>n</sub>**  |  **...**  |  **O<sub>2</sub>**  |  **O<sub>1</sub>**  |  **I<sub>n</sub>**  |  **→**  |  **O<sub>1</sub>**  |  **O<sub>n</sub>**  |  **...**  |  **O<sub>3</sub>**  |  **O<sub>2</sub>**  |
|  //Level n+1//  |  //...//  |  //Level 3//  |  //Level 2//  |  //Level 1//  |  //→//  |  //Level n//  |  //Level n-1//  |  //...//  |  //Level 2//  |  //Level 1//  | 

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|**Type**| [[manual:chapter5:basics#commands|Command]]  ||
|**Parallel list processing**| [[manual:chapter5:listproc#group-2commands-that-must-use-dolist-to-parallel-process|Group 2]]  || 
|**Affected by flags**| None  ||
</callout>

<callout color="orangered" icon="fa fa-comment" title="Description">
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The ''ROLLD'' command moves the object on the second level of the stack to the specified level of the stack (i.e. the (N+1)-th level, since level 1 contains N), dropping the other objects accordingly.
</callout>

<callout type="success" icon="true" title="Compatibility">
----
This command is fully compatible with userRPL.
</callout>

<callout type="info" icon="true" title="Usage">
----
<code>
6:                          ∡60°
5:                           123
4:            "This is a string"
3:               { 'X' 'Y' 'Z' }
2:                           1_m
1:                             4
……………………………………………………………………………………
ROLLD
</code>
will result in
<code>
5:                          ∡60°
4:                           1_m
3:                           123
2:            "This is a string"
1:               { 'X' 'Y' 'Z' }
……………………………………………………………………………………

</code>
</callout>

<callout color="darkgray" icon="fa fa-hand-o-right" title="Related Commands">
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</callout>