Contents

  1. .
  2. ./env_var.sh
  3. ./for_params.sh
  4. ./hello.sh
  5. ./index.html
  6. ./myscript.sh
  7. ./variable.sh

. 1/7

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./env_var.sh 2/7

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#!/bin/bash

# Demonstrate use of environment variables
# by Sara Sprenkle

echo I am $USER
echo "I live at $HOME"






./for_params.sh 3/7

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#!/bin/bash
# Run an example where some of the command-line arguments are in quotes
# to see the variations
# by Sara Sprenkle

echo "The parameters: $*"
echo "The parameters: $@"
echo "The # of parameters: $#"

echo
echo 'Over $*'
for param in "$*"
do
    echo $param
done

echo
echo '$@ Not in quotes'
for param in $@
do
    echo $param
done

echo
echo '$@ In quotes'
for param in "$@"
do
    echo $param
done








./hello.sh 4/7

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#!/bin/sh

# By Sara Sprenkle

echo "Hello, World!"






./index.html 5/7

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<html>
<head><title>Examples for /home/faculty/sprenkle/public_html/cs330/examples/bash_scripts</title>
<link rel="stylesheet" type="text/css" href="http://www.cs.wlu.edu/~sprenkle/cs330/css/themes/spacelab.min.css" />
<link rel="stylesheet" type="text/css" href="http://www.cs.wlu.edu/~sprenkle/cs330/css/course.css" />
<link rel="stylesheet" type="text/css" href="http://www.cs.wlu.edu/~sprenkle/cs330/css/syntax.css" />
<link rel="stylesheet" type="text/css" href="http://www.cs.wlu.edu/~sprenkle/cs330/css/style.css" />
</head>
<body>
<h1>Examples for /home/faculty/sprenkle/public_html/cs330/examples/bash_scripts</h1>
<ul>
<li><a href=".//code.html">All IN ONE FILE (pretty syntax)</a>
<li><a href=".//countlines">countlines</a></li>
<li><a href=".//countlines_params">countlines_params</a></li>
<li><a href=".//env_var.sh">env_var.sh</a></li>
<li><a href=".//for_params.sh">for_params.sh</a></li>
<li><a href=".//hello.sh">hello.sh</a></li>
<li><a href=".//myscript.sh">myscript.sh</a></li>
<li><a href=".//variable.sh">variable.sh</a></li>
</ul>
</body>






./myscript.sh 6/7

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#!/bin/bash

# silly example with for loops, conditionals, and command-line arguments
# Sara Sprenkle

# What happens when you enter a number that starts with 1 but is
# greater than 4?
# For example: 
# bash myscript.sh 1 4 10 50 123

for x in $@
do
    echo "$x"
    if [[ $x < 4 ]]; then
	echo "good!"
    else
	echo "yea!"
    fi
done






./variable.sh 7/7

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#!/bin/bash

# by Sara Sprenkle

# Demonstrate different ways to use variables in echo statements

MESSAGE="Hello World!"

echo $MESSAGE
echo '$MESSAGE'
echo "$MESSAGE"





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