Installation script for ns2 simulator

ns-simulator-install.sh

#! /usr/bin/env bash

cd ~/Downloads

# must be named like this
TAR_FILE='ns-allinone-2.35.tar.gz'

# this will be the directory
DIR_NAME='ns-allinone-2.35'

# install dependencies
sudo apt-get install -y tcl8.5-dev tk8.5-dev build-essential autoconf automake perl xgraph libxt-dev libx11-dev libxmu-dev

# install everything
tar -xf ${TAR_FILE}
cd ${DIR_NAME}
./install

# export needed variables
NS_PATH=`pwd`

cat << EOF >> ~/.bashrc
NS_PATH=${NS_PATH}
PATH=\$PATH:\$NS_PATH/bin:\$NS_PATH/tcl8.5.10/unix:\$NS_PATH/tk8.5.10/unix
LD_LIBRARY_PATH=\$NS_PATH/otcl-1.14/lib:\$NS_PATH/lib
TCL_LIBRARY=\$NS_PATH/tcl8.5.10/library:\$NS_PATH/tk8.5.10/library
export PATH
export LD_LIBRARY_PATH
export TCL_LIBRARY
EOF

source ~/.bashrc

# edit 1.0: add test script
cat << EOF | ns
set ns [new Simulator]
set nf [open out.nam w]
\$ns namtrace-all \$nf
proc finish {} {
    global ns nf
    \$ns flush-trace
    close \$nf
    exec nam out.nam &
    exit 0
}
\$ns at 5.0 "finish"
\$ns run
EOF