#!/bin/sh

# BusyBox's 'cat' can't do '-n'
##cat -n "${HOME}"/.ash_history

history_file=`ls -t -d "${HOME}"/.*_history 2>/dev/null | head -1`
if [ ! -z "${history_file}" ]; then
##  sed "=" "${history_file}" | sed 'N;s/\n/\t/'
    sed "=" "${history_file}" | sed 'N; s/^/     /; s/ *\(.\{6,\}\)\n/\1  /'
else
  printf "%s: error: shell history file cannot be found\n" `basename "${0}"`
fi