todo


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#!/bin/sh
#
#  Write/remove a task to do later.
#
#  Select an existing entry to remove it from the file, or type a new entry to
#  add it.
#

file="$HOME/.local/opt/todo"
touch "$file"
height="$(wc -l "$file" | awk '{print $1}')"
prompt="Add/delete a task: "

cmd=$(dmenu -l "$height" -p "$prompt" "$@" < "$file")
while [ -n "$cmd" ]; do
    if grep -q "^$cmd\$" "$file"; then
        grep -v "^$cmd\$" "$file" > "$file.$$"
        mv "$file.$$" "$file"
        height=$(( height - 1 ))
    else
        echo "$cmd" >> "$file"
        height=$(( height + 1 ))
    fi

    cmd=$(dmenu -l "$height" -p "$prompt" "$@" < "$file")
done

exit 0