| # Each of these should show only four lines: | |
| # fds 0,1,2 are stdio; fd 3 is open by opendir() in ls. | |
| # This test detects bugs where redirects leave stray open fds. | |
| ls -1 /proc/self/fd | wc -l | |
| ls -1 /proc/self/fd >/proc/self/fd/1 | wc -l | |
| ls -1 /proc/self/fd >/proc/self/fd/1 2>&1 | wc -l | |
| echo "`ls -1 /proc/self/fd `" | wc -l | |
| echo "`ls -1 /proc/self/fd >/proc/self/fd/1 `" | wc -l | |
| echo "`ls -1 /proc/self/fd >/proc/self/fd/1 2>&1 `" | wc -l |