recls.extra

linux脚本编程的例子

# Part of the solution to Questions 1 & 3, Chapter 5 of
# "Learning the bash Shell".
#
# Cameron Newham, July 1997.

recdir ()
{
  local char
  local thistab

  if [ $# -ne 0 ]; then
    echo -e $tab$vertical
  fi

  thistab=$tab$vertical$horizontal
  tab=$tab$vertical$singletab

  for file in "$@"; do

    if [ -d $dir/$file ]; then
      char="/"
    else
      char=""
    fi

    echo -e $thistab$file$char

    dir=$dir/$file
    if [ -d $dir ]; then
      recdir $(command ls $dir)
    fi
    dir=${dir%/*}
  done
  tab=${tab%|\\t}
  echo -e $tab
}


recls ()
{

    singletab="\t"
    vertical="|"
    horizontal="-------"

    for tryfile in "$@"; do
    if [ -d $tryfile ]; then
      echo -e $tryfile"/"
    else
      echo -e $tryfile
    fi

    if [ -d $tryfile ]; then
      dir=$tryfile
      recdir $(command ls $tryfile)
    fi
    done
    unset dir singletab tab vertical horizontal
}