.bashrc_pgn


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[ ! -z "${BASHRC_PGN+x}" ] && return || readonly BASHRC_PGN=1

source .bashrc_text || return

alias strip_pgn_clk='sed --binary --in-place '"'"'s/ {\[%clk [[:digit:]]\+:[[:digit:]]\+\(:[[:digit:]]\+\)*\]}//g'"'"
alias slice_pgn_moves='sed --binary --in-place '"'"'s/ \([[:digit:]]\+\.\)/\n\1/g'"'"

normalize_pgn() {
  dos2eol "$@" \
    && lint "$@" \
    && strip_pgn_clk "$@" \
    && slice_pgn_moves "$@" \
    && eol2dos "$@"
}

append_pgn() {
  if [ "$#" -ne 2 ]; then
    echo "$FUNCNAME: usage: $FUNCNAME DEST_PGN SRC_PGN" >&2
    return 1
  fi

  printf '\r\n' >> "$1" \
    && cat "$2" >> "$1"
}

join_pgns() (
  [ "$#" -eq 0 ] && return

  set -o errexit

  cat "$1"

  local i
  for i in "${@:2}"; do
    printf '\r\n'
    cat "$i"
  done
)