Shell Script with While Loop, Pass Password, AWK

Pass Password:

  #!/bin/bash
  read -sp "Enter Password: " password
  echo $password | ansible-playbook -i <inventory> <playbook>

While Loop

#!/bin/bash
#read -sp "Enter Password: " password
playbook= “/home/ravi /playbooks/abc.yaml"
filename="tst_cluster.txt"

while read -r line; do
   cluster=$(echo "$line" | awk -F '/' '{print $NF}' | awk -F '.yaml' '{print $1}')
   echo "$line $playbook $cluster"
   #echo $password | ansible-playbook -i $line $playbook --limit $cluster
   echo "$line"
done < "$filename"

AWK Command to print Last word.

awk command to print the second last word of each line in a file. Here’s a simple example:

echo "This is a sample sentence" | awk '{print $(NF-1)}'

 sample 

To print the word before .yaml in the given string using awk, you can use the following command:

echo "This is a sample sentence.yaml" | awk -F '.yaml' '{print $(NF-1)}'

 sentence

echo "This is a /sample/ravi.yaml" use awk command to print before “.yaml” and after first / word

echo "This is a /sample/ravi.yaml" | awk -F '/' '{print $2}' | awk -F '.yaml' '{print $1}'

ravi

To print the word before “.yaml” and after the last / in the given string using awk, you can use the following command:

echo "This is a /sample/ravi.yaml" | awk -F '/' '{print $NF}' | awk -F '.yaml' '{print $1}')

ravi

Assign into variable:

result=$(echo "This is a /sample/ravi.yaml" | awk -F '/' '{print $2}' | awk -F '.yaml' '{print $1}')
echo $result