STAT — Evaluates filesystem attributes
Does a check on the specified file.
flag may be one of the following
options:
e
Returns 1 if the file
exists; 0 otherwise
s
Returns the size of the file, in bytes
f
Returns 1 if the path
referenced is a regular file (and not a directory, symlink,
socket, or device) or 0
otherwise
d
Returns 1 if the path
referenced is a directory (and not a regular file, symlink,
socket, or device) or 0
otherwise
M
Returns the epoch time when the file contents were last modified
C
Returns the epoch time when the file inode was last modified
m
Returns the permissions mode of the file (as an octal number)