Create A For Loop In bash

Multiline

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

Single Line

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

Another example:

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

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