It has nothing to do with the shell. No shell is used by the Perl code I used. It's an OS feature.
And yes, it wouldn't be portable to other OSes (or differently setup OSes, based on your experience). I didn't mean to imply otherwise.
In reply to Re^4: redirect output from a command to another command
by ikegami
in thread redirect output from a command to another command
by Allasso
| For: | Use: | ||
| & | & | ||
| < | < | ||
| > | > | ||
| [ | [ | ||
| ] | ] |