dotfiles/dot_config/fish/functions/_fzf_search_processes.fish
2024-04-14 18:41:15 -07:00

32 lines
1.7 KiB
Fish

function _fzf_search_processes --description "Search all running processes. Replace the current token with the pid of the selected process."
# Directly use ps command because it is often aliased to a different command entirely
# or with options that dirty the search results and preview output
set -f ps_cmd (command -v ps || echo "ps")
# use all caps to be consistent with ps default format
# snake_case because ps doesn't seem to allow spaces in the field names
set -f ps_preview_fmt (string join ',' 'pid' 'ppid=PARENT' 'user' '%cpu' 'rss=RSS_IN_KB' 'start=START_TIME' 'command')
set -f processes_selected (
$ps_cmd -A -opid,command | \
_fzf_wrapper --multi \
--prompt="Processes> " \
--query (commandline --current-token) \
--ansi \
# first line outputted by ps is a header, so we need to mark it as so
--header-lines=1 \
# ps uses exit code 1 if the process was not found, in which case show an message explaining so
--preview="$ps_cmd -o '$ps_preview_fmt' -p {1} || echo 'Cannot preview {1} because it exited.'" \
--preview-window="bottom:4:wrap" \
$fzf_processes_opts
)
if test $status -eq 0
for process in $processes_selected
set -f --append pids_selected (string split --no-empty --field=1 -- " " $process)
end
# string join to replace the newlines outputted by string split with spaces
commandline --current-token --replace -- (string join ' ' $pids_selected)
end
commandline --function repaint
end