retitle 482194 bash.bashrc, skel/.bashrc: please use $-, not $PS1, to detect interactive shells # documentation severity 482194 minor tags 482194 = quit
Jilles Tjoelker wrote: > Some shells indeed seem to not set PS1 for non-interactive shells. > However, it seems bad to rely on this to detect non-interactive shells. > I don't see language in POSIX that says PS1 should not be set for > non-interactive shells. Some people export PS1 in their shell startup > files, breaking the check. The correct way to detect interactive vs > non-interactive shells is to check if $- contains "i", for example: > > case $- in > *i*) echo I am interactive ;; > *) echo I am not interactive ;; > esac That's true. Stealing the bug. -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected]
