home/bin/draft

   1 #! /bin/bash
   2
   3 set -euo pipefail
   4
   5 DEFAULT_BASE="$HOME/doc/drafts/adhoc"
   6
   7 bar() {
   8     local -r len="${1:-80}" # 1st arg or 80.
   9     local -r char="${2:--}" # 2nd arg or a dash.
  10
  11     seq -s "$char" "$len" | sed -E 's/[0-9]+//g'
  12 }
  13
  14 main() {
  15     local -r base="${1:-$DEFAULT_BASE}"
  16
  17     local -r title_given='Untitled'
  18     local -r title_lower=$(echo "$title_given" | tr '[:upper:]' '[:lower:]')
  19     local -r title_lower_dashed=$(echo "$title_lower" | sed 's/\s\+/-/g')
  20     local -r timestamp="$(date --iso-8601=ns)"
  21     local -r file="${base}/${timestamp}--${title_lower_dashed}.md"
  22
  23     mkdir -p "$base"
  24     if [[ ! -a "$file" ]]
  25     then
  26         touch "$file"
  27         {
  28             echo "$title_given"
  29             bar 80 '='
  30             echo "started: $timestamp"
  31             printf '\n\n'
  32         } > "$file"
  33     fi
  34     echo "$file"
  35 }
  36
  37 main "$@"