SH Script

SH Script replaces the whole line in Config file :

#!/bin/bash
# content of your script

function goto
{
    label=$1
    cmd=$(sed -n "/^:[[:blank:]][[:blank:]]*${label}/{:a;n;p;ba};" $0 | 
          grep -v ':$')
    eval "$cmd"
    exit
}

start=${1:-"start"}

### Check Java Version ##

if type -p java; then
    _java=java
else
    echo "Not able to find Java. Please check your java instalation."
    exit 0	
fi

if [[ "$_java" ]]; then
    version=$("$_java" -version 2>&1 | awk -F '"' '/version/ {print $2}')
	
    if [[ "$version" < "8.0" ]]; then
        echo "Error : java version is too low. At least Java >= 8.0 needed."
	exit 0
    fi

fi
### END Check Java Version ##


### User Location Path Input ##
: start
read -p "Enter Home Location/path  : " inputPath

### User Location Path Validation  ##

if [ -z "$inputPath" ]
then
  echo "Location/Path should not be empty or blank!"
  goto "start"	
fi

### Check for dir, if not found create it using the mkdir ##
[ ! -d "$inputPath" ] && mkdir -p "$inputPath"


### User Name Validation  ##
: usrName
read -p "Enter User Name  : " userName

if [ -z "$userName" ]
then
  echo "User name not be empty or blank!"
  goto "usrName"	
fi



### User Password Validation  ##
: usrPassword
read -p "Enter Password  : " password

if [ -z "$password" ]
then
  echo "Password should not be empty or blank!"
  goto "usrPassword"	
fi



## Replace User Name in Config ##
arr=( $(awk '/User.Name/{print NR}' Config) )

sed ${arr[0]}' c\User.Name : '$userName Config > temp_file

cat temp_file > Config

rm -rf temp_file

# Replace Password in Config
arr=( $(awk '/User.Pasword/{print NR}' Config) )

sed ${arr[0]}' c\User.Pasword : '$password Config > temp_file

cat temp_file > Config

rm -rf temp_file

### copy Config file  ##

cp Config $inputPath

Domain Name : www.ccc.com

User.Name : uuuuuu

User.Pasword : ppppppp

SMTP domain : SDFGjk