isfile — checks if argument is a file
b = isfile(filenames)
a character string or a string matrix.
an matrix of boolean (%t is filename exists).
x = isfile(filename) checks if filename is existing file or not. (a directory is not a file. see isdir.)
cd SCI filenames = ls() isfile(filenames) isfile(filenames) isfile(SCI + '/etc') isdir(SCI + '/etc')
A.C