UNIX for Dummies Questions & Answers

myscript.sh

function printline()
{
   echo "$1" >> myfile.log

}

usage()
{
printLine "********************USAGE*************************"
printLine "Script takes following  argument "
printLine "	Argument 1 : fully qualified path of the environment specific file"
printLine "Syntax :./complete_db_install.sh <argument1>"
printLine "*************************************************"
}

## 2. Read command line parameters/arguments of the script ##
if [ $# -le 0 ] || [ $# -gt 1 ]
then
    usage
    exit 1
fi

#! /bin/bash
# myscript.sh
PATH=/usr/bin:/bin:/usr/local/bin:/usr/sbin:/sbin

usage()
{
    echo "********************USAGE*************************"
    echo "Script takes following argument "
    echo " Argument 1 : fully qualified path of the environment specific file"
    echo "Syntax :./complete_db_install.sh <argument1>"
    echo "*************************************************"
}

## 2. Read command line parameters/arguments of the script ##
if [ $# -le 0 ] || [ $# -gt 1 ]
then
    usage >> /dir/myfile.log
    exit 1
fi

exit 0

echo "abc" >> myfile.txt
echo "xyz >> myfile.txt"

# this will echo to screen and also save info to 2 different files

myfunction(){
    user=$1
    userhome=/home/$user
    echo "$user: $userhome" >> /dir/user.home.list
    echo "hello, $user"
    echo "this is my your list"
    ls $userhome | tee -a /dir/dir.list
}

myfunction | tee -a /dir/my.log 2>>&1

# this will send redirect output of loop to files and to screen if ">> /dir/my.log" is removed ...

for file in *
do
    if [ -f $file ]
    then
        echo $file | tee -a /dir/file.list
    else
        echo "---" 
    fi
done >> /dir/my.log

{
echo "abc"
echo "xyz"
} >> myfile.txt

echo "\
abc
xyz" >>  myfile.txt

{
echo "\
two
lines"
date
} >> myfile.txt

 echo "installation started "
printline "all intermediate debugging statements  are redirected to text file"
echo " installation complete or refer to above log file for error details."