To Remove spaces from Text you can get idea from below code sample. Here we are update name fields which include spaces on right and left side .
Dirpartytable Dirpartytable;
Name Name;
;
while select forUpdate Dirpartytable
{
ttsBegin;
Name= strRTrim(strLTrim(Dirpartytable.Name));
Dirpartytable.Name = Name;
Dirpartytable.doUpdate();
ttsCommit;
}
info("Done");