| | \n\n \n \n \n int jf=1 | \tdelta between files \n | \n \n\n \n \n \n int mode=0 | \toperation for stack \n | \n \n\n \n \n \n int nf= | \tnumber of files to stack \n | \n \n\n \n \n \n int of=0 | \torigin of files \n | \n \n\n \n \n \n string oname= | \tname of output file \n | \n \n\n \n \n \n string prefix= | \tprintf like prefix (printf like prefix) \n | \n \n\n \n \n \n bool seq=n [y/n] | \tnot sequentially ordered files \n | \n \n\n \n \n \n string shots= | \t \n | \n \n\n \n \n \n bool verb=n [y/n] | \t \n | \n \n |