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| | #autoload
#
# completes names of running processes
#
# option -a: include all processes (owned by others, no tty, etc.)
#
typeset -a expl names all
local opts tagname
tagname='processes-names' # or 'process-names' ?
zparseopts -E -D 'a=all'
(( $#all )) && opts='ax'
case $OSTYPE in
(linux*|*bsd*|dragonfly*)
# On these systems, 'ps o comm' (or 'ps co args') truncates long process
# names. To avoid this, we get the whole command line by 'ps o args' and
# remove arguments, but this does not work if proess names contain spaces.
opts+='o args='
names=( ${(f)"$(_call_program $tagname ps $opts 2>/dev/null )"} )
names=( ${${${${${names:#\[*]}%% *}%:}#-}:t} ${${${(M)names:#\[*]}#\[}%]} )
;;
(*)
# tested only on macOS
opts+='o comm='
names=( ${${${(f)"$(_call_program $tagname ps $opts 2>/dev/null)"}#-}:t} )
;;
esac
_wanted $tagname expl 'process name' compadd "$@" -F '(ps)' -a - names
|