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diff --git a/.config/fish/functions/_fzf_search_processes.fish b/.config/fish/functions/_fzf_search_processes.fish
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+function _fzf_search_processes --description "Search all running processes. Replace the current token with the pid of the selected process."
+ # 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 ps_preview_fmt (string join ',' 'pid' 'ppid=PARENT' 'user' '%cpu' 'rss=RSS_IN_KB' 'start=START_TIME' 'command')
+ set processes_selected (
+ ps -A -opid,command | \
+ _fzf_wrapper --multi \
+ --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 -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 --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