04-Lab-For-Loops.md

Lab For Loop

• Take me to the Lab

1. Solution is given below

   for mission in lunar-mission mars-mission jupiter-mission saturn-mission mercury-mission
   do
      bash /home/bob/create-and-launch-rocket $mission
   done
   

2. Solution is given below

   for mission_name in $(cat /tmp/assets/mission-names.txt)
   do
       bash /home/bob/create-and-launch-rocket $mission_name
   done
   

3. Solution is given below

   for i in {31..40}
   do
           echo $i
   done
   
   

4. Solution is given below

   echo -e " Log name   \t      GET      \t      POST    \t   DELETE "
   echo -e "------------------------------------------------------------"
   
   for app in $(cat /tmp/assets/apps.txt)
   do
     get_requests=$(cat /var/log/apps/${app}_app.log | grep "GET" | wc -l)
     post_requests=$(cat /var/log/apps/${app}_app.log | grep "POST" | wc -l)
     delete_requests=$(cat /var/log/apps/${app}_app.log | grep "DELETE" | wc -l)
     echo -e " ${app}    \t ${get_requests}    \t    ${post_requests}   \t   ${delete_requests}"
   
   done
   

5. Solution is given below

   for file in $(ls images)
   do
           if [[ $file = *.jpeg ]]
                   then
                   new_name=$(echo $file| sed 's/jpeg/jpg/g')
                   mv images/$file images/$new_name
           fi
   done