KSH Scripts

upto

#!/bin/ksh
#
# program:   upto.
#  Upto takes two arguments and counts up from the first
#  to the second. This is more a wrapper for a function to be
#  incorporated into other programs.
#  author:   David W. Myers
#  date:     2/10/2000
#  modified: n/a
#
function upto
{   [ $1 ] && F=$1 || return
  [ $2 ] && S=$2 || return
  (( F >= S )) && return
  Temp=$F
  while (( Temp <= S )) ; do
    echo "$Temp "
    Temp=$(( Temp + 1 ))
  done
}
echo "Testing the upto function."
upto $1 $2

greptree

It needs to be noted that GNU grep has built-in recursive grepping with the "-d" and/or the "-r" flags.

#!/bin/ksh
#
# program - greptree: A program to grep a selected text #           string across a directory and all
#           subdirectories of this directory.
#
# author  : David Myers
#     date: 08/24/2000
# modified: 06/13/2002
#
function Usage
{
  echo "USAGE:$SCRIPT [-hq] [-v] filtertext [directory]
This program takes filtertext and runs a grep command for that text in directory and any subdirectory of this directory. Only files containing text are searched. The directory defaults to the current directory of execution if not specified.
        Arguments:
                -v : verbose mode
                -h : print this message
                -q : print this message
"
if [ $1 ] ; then
  exit $1
else
  exit 0
fi
}
SCRIPT=${0##*/}
if [ $# -lt 1 ] ; then
  Usage 2
fi
Vmode=False
while getopts "hqn:" Arg ; do
  case $Arg in
    v) Vmode=True ;;
    *) Usage ;;
  esac
done
shift $(( OPTIND - 1 ))
Filter="$1"
Target="$2"
if [ "$Target" = "." -o "$Target" = "" ] ; then
  Target=$(pwd)
fi
Grep=/usr/xpg4/bin/grep
find $Target -type d -print | while read Dir ; do
  cd $Dir
  ls -1 | while read File; do
    if [ "$Vmode" = "True" ] ; then
      print "checking $Dir/$File"
    fi
    file $File | $Grep -Eq "(ascii|script|text)" &&
    {
       $Grep -Fq $Filter $File &&
         echo "$Dir/$File has the text $Filter"
    }
  done
done

tcptweak

#!/sbin/sh
#
# tcptweak.
#
# fixes the cwnd problem with Sun and NT.
# also sets the interfaces to full duplex.
# there may be momentary loss of connectivity
# as this process is enabled.
#
case $1 in
  'start')
     NddPath=/usr/sbin
     if [ -x $NddPath/ndd ] ; then
#
#       Sun will not properly autonegotiate full duplex
#       transmission. This workaround forces full duplex
#       on all NICs.
#
        $NddPath/ndd -set /dev/hme instance 0
        $NddPath/ndd -set /dev/hme adv_100fdx_cap 1
        $NddPath/ndd -set /dev/hme adv_autoneg_cap 0
        $NddPath/ndd -set /dev/hme instance 1
        $NddPath/ndd -set /dev/hme adv_100fdx_cap 1
        $NddPath/ndd -set /dev/hme adv_autoneg_cap 0
#
#       This gets around the cwnd problem with Sun and NT
#       TCP/IP stacks. Sun ordinarily expects a ACK after
#       1 packet and NT ends 2.
#
        $NddPath/ndd -set /dev/tcp tcp_slow_start_initial 2
     fi
  ;;
  'stop')
#
#   no special stop necessary
#
  ;;
  *)
     echo "USAGE: $0 { start | stop } "
  ;;
esac