bashdb

linux脚本编程的例子

# bashdb - a bash debugger
# Driver Script: concatenates the preamble and the target script
# and then executes the new script.

echo 'Bash Debugger version 1.0'

_dbname=${0##*/}

if (( $# < 1 )) ; then
  echo "$_dbname: Usage: $_dbname filename" >&2
  exit 1
fi

_guineapig=$1

if [ ! -r $1 ]; then
  echo "$_dbname: Cannot read file '$_guineapig'." >&2
  exit 1
fi

shift

_tmpdir=/tmp
_libdir=.
_debugfile=$_tmpdir/bashdb.$$  # temporary file for script being debugged
cat $_libdir/bashdb.pre $_guineapig > $_debugfile
exec bash $_debugfile $_guineapig $_tmpdir $_libdir "$@"