clipmenu-spmenu/clipmenu
2017-01-06 14:04:37 +00:00

47 lines
1.3 KiB
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Executable file

#!/bin/bash
shopt -s nullglob
# We use this to make sure the cache files are sorted bytewise
export LC_COLLATE=C
cache_file=/tmp/clipmenu.$USER/line_cache
# It's okay to hardcode `-l 8` here as a sensible default without checking
# whether `-l` is also in "$@", because the way that dmenu works allows a later
# argument to override an earlier one. That is, if the user passes in `-l`, our
# one will be ignored.
chosen_line=$(sed 's/^[^|]\+|//' "$cache_file" | tac | uniq | dmenu -l 8 "$@")
[[ $chosen_line ]] || exit 1
# Naive, but performant path, only follow expensive path if it doesn't work
out_line=$(grep -F "|$chosen_line" "$cache_file")
out_length=$(wc -l <<< "$out_line")
if (( out_length == 1 )); then
# Cheap path succeded
file=${out_line%%|*}
elif (( out_length > 1 )); then
# Cheap path failed
while IFS='|' read -r full_file first_line; do
if [[ $first_line == "$chosen_line" ]]; then
file=$full_file
break
fi
done <<< "$out_line"
else
# We didn't find this in cache
printf 'FATAL: %s not in cache, run clipmenu-fsck\n' "$chosen_line" >&2
exit 2
fi
for selection in clipboard primary; do
if type -p xsel >/dev/null 2>&1; then
xsel -i --"$selection" < "$file"
else
xclip -sel "$selection" < "$file"
fi
done