Greg Wooledge wrote:
On Sun, Aug 02, 2015 at 01:30:14PM -0700, Linda Walsh wrote:isatty () { test -c /proc/self/fd/1 ; }This can be done portably with test -t 1 if you want the body of the function to do what the name implies. (Testing for a character device gives false positives if stdout is a tape drive or similar device.)
--- -t is portable? I vaguely remember -t -- but I know I didn't when I wrote that function... thanks for the update!