"Chris Richard Adams" <chrisa at ASPATECH.COM.BR> writes: > os.system(" convert FILE1 FILE2 ") - yet FILE1 and FILE2 are string > variables in my script. > >>> a=['file1','file2','file3'] >>> blank = ' ' >>> blank.join(a) 'file1 file2 file3' so this would be >>> os.system(" convert " + blank.join(list)) HTH, __Janko