use "edit script" instead of running or loading it then read the text , with most scripts of this type it pays to look thru the text then you can glean the info you require, ie
/* -------USER CHANGEABLE PARAMETERS SECTION------- */
$xabsrot=0; /* x fixed rotation amount - degrees*/
$yabsrot=90; /* y fixed rotation amount - degrees*/
$zabsrot=0; /* z fixed rotation amount - degrees*/
$xrot=0.0; /* x rotation variation - degrees*/
$yrot=0.0; /* y rotation variation - degrees*/
$zrot=0.0; /* z rotation variation - degrees*/
$meshptfraction = 1.0; /* fraction of mesh point to use. If < 1 then
the points used are randomly distributed. >0 */
$minusemesh=1; /* min # copies per available point */
$maxusemesh=1; /* max # copies per available point */
$usemeshrand=0; /* 0=use maxusemesh, 1=random amount between
minusemesh and maxusemesh */
$minscale=1.0; /* minimum scale of mesh copy >0 */
$maxscale=0.5; /* maximum scale of mesh copy */
$scalerand=1; /* 0=use maxscale, 1=random scale between
minscale and maxscale */
$yoffsetfraction=0.75; /* fraction of source object to "sink" into surface */
$usenormals=1; /* 1=use point normals to orient,0=orient along y axis */
$useorigmin=1; /* 1=use original minimum y point to place object */
/* 0=use minimum y point after all transformations */
$useverts=0; /* 1=place copies at the vertices, 0=do not use vertices */
$usefaces=1; /* 1=place (#sides + 1) copies on each face
0=do not use faces */
$usesourcemat=1; /* 1=use original source materials and texture coords for copies
0=use target materials for copies */
randseed(13456); /* change to get new sequence of random numbers */
/* -------END USER CHANGEABLE PARAMETERS SECTION------- */
Most of the writers Kuba, NickE add comments on how to use it within the script file.