Create A For Loop In bash

Multiline

bash

for i in {0..11}
do 
  echo "This is ${i}"
done

Single Line

bash

for i in {0..11}; do echo "This is ${i}"; done

Another example :

bash

for i in {1..14}; do ffmpeg -i "1-15sec.mp4" -to ${i} "1-${i}.mp4"; done