::::::::::::::
lookup
::::::::::::::
#!/bin/bash
#
# CIS 130 Lab 5 - lookup (enhanced)
#
# Rich Simms
# Spring 2007
#
# This script lookups a user in /etc/passwd and prints user name and uid
#
# usage: lookup [-d] user
#

# Initialize
usage="lookup [-d] user"

# Process debug option (-d)
while getopts ":d" opt; do
  case $opt in
     d  ) debug="y"
          echo "** Debug tracing enabled" ;;
     \? ) echo "-- Usage: " $usage >&2
          exit 1
  esac
done

# Shift out any options
if [ $OPTIND -ge 1 ]; then shift $(($OPTIND - 1)); fi

user=$1
if [ "$user" = "" ]; then
  echo "-- Usage: " $usage >&2
  exit 1
fi

if [ "$debug" = "y" ]; then
  echo "** trace: user = " $user
fi

while read inputline
do
  login="$(echo $inputline | cut -d: -f1)"
  uid="$(echo $inputline   | cut -d: -f3)"
  fulln="$(echo $inputline | cut -d: -f5)"
  if [ "$debug" = "y" ]; then
    echo "** trace: login=$login, uid=$uid, fulln=$fulln"
  fi
  if [ $login = $user ]; then
    echo "$fulln: $uid";
    exit 0;
  fi
done < /etc/passwd

echo "User:" $user "not found in /etc/passwd"
exit 0


::::::::::::::
lpm
::::::::::::::
#!/bin/bash
#
# CIS 130 Lab 5 - lpm
#
# Rich Simms
# Spring 2007
#
# This script takes a pathname and prints out a long listing of each directory
# in the path as well as the file at the end.
#
# usage: lpm [-d] user
#

# Initialize
usage="lpm [-d] path"
debug=n

# Process debug option (-d)
while getopts ":d" opt; do
  case $opt in
     d  ) debug=y
          echo "** Debug tracing enabled" ;;
     \? ) echo "-- Usage: " $usage
          exit 1
  esac
done

# Shift out any options
if [ $OPTIND -ge 1 ]; then shift $(($OPTIND - 1)); fi

path=$1

if [ "$path" = "" ]; then
  echo "-- Usage: " $usage
  exit 1
fi

if [ $debug = y ]  ; then
  echo "** trace: path = " $path
  echo "** trace: debug = " $debug
fi


   IFS=/
   set $path

   if [ $debug = y ] ; then echo "** trace: \$@ = " "$@" ; fi
   if [ $debug = y ] ; then echo "** trace: \$# = " $# ; fi

   # check if absolute path
   if  [ "$1" = "" ] ; then
     cd /
     if [ $debug = y ] ; then echo "current directory is: " "$PWD"; fi
     if [ $debug = y ] ; then echo "\$1 = " "$1" ; fi
     ls -ld /
     shift
   fi

   while [ $# -gt 0 ]
   do
     if [ $debug = y ] ; then echo "\$1 = " "$1"; fi
     ls -ld "$1"
     if [ -d "$1" ] ; then cd $1; fi
     if [ $debug = y ] ; then echo "current directory is: " "$PWD"; fi
     shift
   done

exit 0


::::::::::::::
prompts
::::::::::::::
PS1='$(pwd) $ '
PS1="$(hostname -s)|$(logname) & "
::::::::::::::
query
::::::::::::::
#!/bin/bash
#
# CIS 130 Lab 5 - query
#
# Rich Simms
# Spring 2007
#
# This script lookups a user in /etc/passwd and prints user name, uid,
# home and shell.
#
# usage: query [-d] user
#

# Initialize
usage="query [-d] user"
debug=n

# Process debug option (-d)
while getopts ":d" opt; do
  case $opt in
     d  ) debug=y
          echo "** Debug tracing enabled" ;;
     \? ) echo "-- Usage: " $usage >&2
          exit 1
  esac
done

# Shift out any options
if [ $OPTIND -ge 1 ]; then shift $(($OPTIND - 1)); fi

user=$1
if [ "$user" = "" ]; then
  echo "-- Usage: " $usage >&2
  exit 1
fi

if [ $debug = y ]  ; then
  echo "** trace: user = " $user
  echo "** trace: debug = " $debug
fi

line=$(grep $user /etc/passwd)
rc=$?

if [ $debug = y ] ; then
  echo "** trace: line = " $line
  echo "** trace: rc = " $rc
fi

if [ $rc = 0 ] ; then
   IFS=:
   set $line
   echo $5
   echo "uid: " $3
   echo "home directory: " $6
   echo "shell: " $7
else
   echo "User: $user not found"
fi
exit 0
/home/cis130/simmsric/lab5 $