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my todo app

2023-02-21

Instead of why mentioning my todo app every other time, why not just show it?

On the off-chance that you're a terminal user like me, you do use z-shell and you're in the market for a micro-sized task manager: here you go:

----

    #!/usr/bin/env zsh
    autoload colors
    colors
    # ensure files exist, load lists
    FILE_DIR=~/.todos; FILE_TODO=$FILE_DIR"/todos.txt"; FILE_DONE=$FILE_DIR"/done.txt"
    if [[ ! -d $FILE_DIR ]]; then echo "directory '$FILE_DIR' not found"; exit 1; fi
    touch $FILE_TODO $FILE_DONE
    TODOS=$(<$FILE_TODO); DONES=$(<$FILE_DONE)
    # prepare glyphs. if you want to use plain ASCII, I recommend o, x, ^, v
    GE=$reset_color
    G=($fg[red]"   "$GE $fg[green]"   "$GE $fg_bold[yellow]""$GE $fg[cyan]""$GE)
    # functions
    move_tasks() {
      for i in $s; do echo $1 | awk 'NR=='$i' {print;exit}' >> $2; sed -i $i'd' $3; done
    }
    # run commands
    if [[ $# -ne 0 ]]; then
      COMMAND=$1
      shift
      IFS=


\n' s=($(sort -nr <<<"$*")); unset IFS; # sort potential task id list
      case $COMMAND in
        add|a)      echo $* >> $FILE_TODO ;;
        clean|c)    echo -n "" > $FILE_DONE ;;
        done|d)     move_tasks $TODOS $FILE_DONE $FILE_TODO ;;
        rename|r)   sed -i $1'd' $FILE_TODO; shift; echo $* >> $FILE_TODO ;;
        trash|t)    for i in $s; do sed -i $i'd' $FILE_TODO; done ;;
        undo|u)     move_tasks $DONES $FILE_TODO $FILE_DONE ;;
        *)
          SELF=`basename $0`
          echo "Usage: $SELF (add|clean|done|rename|trash|undo|)"
          echo "  $SELF                        prints current open and completed todos"
          echo "  $SELF add some task          adds 'some task' as open todo"
          echo "  $SELF clean                  clears completed todos off the list"
          echo "  $SELF done N                 marks the Nth todo as completed"
          echo "  $SELF rename N new descr.    renames Nth open task to 'new descr.'"
          echo "  $SELF trash N                deletes the Nth open todo"
          echo "  $SELF undo N                 marks the Nth completed todo as not done" ;;
      esac
      # clean and re-sort both files
      grep -v -E "(^#|^\s*$)" $FILE_TODO | sort -u -o $FILE_TODO -
      grep -v -E "(^#|^\s*$)" $FILE_DONE | sort -u -o $FILE_DONE -
    else
      if [[ -n $TODOS ]]; then 
        echo $TODOS | nl -s ") " -w2 | sed "s/^/$G[1]/;s/:high:/$G[3]/;s/:low:/$G[4]/"
      fi
      if [[ -n $DONES ]]; then
        echo $fg[yellow]"  ────────────────────────────────────────────"$reset_color
        echo $DONES | nl -s ") " -w2 | sed -E "s/^/$G[2]/;s/(:high:|:low:)\s*//"
      fi
    fi

Seriously, this is it.

What you should do is create a ~/.todos directory and possibly also create a convenient alias for the script above. Then just start it. It'll tell you what to do.

Functionality is limited — it isn't Microsoft To Do — but it is sufficient for my use cases. I'm still quite proud of this one, it is elegant and simple. Surely, there are things that could be added and improved, but I'm resisting. Let this one be.

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