You were talking about LabTalk, right? Then you may try this:
loop(jj,1,3)
{
string str$=$(jj);
newbook name:="workbook"+str$+"check" option:=lsname;
}
I'm afraid even "workbook1check" would be too long for a short name....for more information:
help newbook;
妾+ 午旦 妹罕妾 妾伊 用仇 妾/ 岫ㄞ
妾京用 仍巨 件 侈 件戶' 甘岫平 /欠 白岫妹
併 艮 岫 奈 白 岫
岫