# --- enable/disable this file ---
SRC_ENABLED=true

case "$SRC_ENABLED" in
	1|true|yes|on) unset SRC_ENABLED ;;           # enabled — clean up and continue
	*) unset SRC_ENABLED; return ;;                # disabled — clean up and skip this file
esac
# ---------------------------------

#!/bin/bash
# Simple one-line notes manager
# Compatible with bash 3.x (RHEL 5) and bash 4.1 (Debian Squeeze)
# NOTE: this file must be SOURCED, not executed:
#   . ./notes.sh
#   source ./notes.sh

NOTES_FILE="${NOTES_FILE:-$HOME/.notes}"

note_add() {
    if [ $# -eq 0 ]; then
        echo "Usage: note_add <text of note>" >&2
        return 1
    fi
    echo "$*" >> "$NOTES_FILE"
}

notes() {
    case "$1" in
        -h|--help)
            echo "Usage: notes"
            echo "  List all saved notes with their line numbers."
            echo ""
            echo "Related commands:"
            echo "  note_add <text>          Add a new note"
            echo "  note_rm <line_number>    Remove a note by its number"
            echo ""
            echo "Notes are stored in: $NOTES_FILE"
            return 0
            ;;
    esac

    if [ ! -f "$NOTES_FILE" ] || [ ! -s "$NOTES_FILE" ]; then
        echo "No notes yet."
        return 0
    fi
    awk '{ printf "%d: %s\n", NR, $0 }' "$NOTES_FILE"
}

note_rm() {
    num="$1"

    if [ -z "$num" ]; then
        echo "Usage: note_rm <line_number>" >&2
        return 1
    fi

    if ! echo "$num" | grep -Eq '^[0-9]+$'; then
        echo "Error: line number must be a positive integer" >&2
        return 1
    fi

    if [ ! -f "$NOTES_FILE" ]; then
        echo "Error: notes file not found" >&2
        return 1
    fi

    total=$(wc -l < "$NOTES_FILE" | tr -d ' ')

    if [ "$num" -lt 1 ] || [ "$num" -gt "$total" ]; then
        echo "Error: no note with that number" >&2
        return 1
    fi

    sed -i "${num}d" "$NOTES_FILE"
    echo "Deleted note $num"
}