On 9/16/16 1:51 AM, Eric Pruitt wrote: > Bash Version: 4.4 > Patch Level: 0 > Release Status: release > > Description: > I have a script that execute `if [[ "$(<"/proc/$1/cmdline")" = tmux* > ]];`. > All /proc/*/cmdline include null bytes, and as of Bash 4.4, this > results in > a warning being spewed on stderr which did not happen in Bash 4.3.
Other users have expectations that differ from yours. I received messages reporting the the bash-4.3 behavior (the longtime bash behavior) as a bug. Warning the user that bash discards some characters from the command substitution output seemed like the course that would let everyone know what's happening regardless of their expectations. Chet -- ``The lyf so short, the craft so long to lerne.'' - Chaucer ``Ars longa, vita brevis'' - Hippocrates Chet Ramey, UTech, CWRU c...@case.edu http://cnswww.cns.cwru.edu/~chet/