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For loop in Bash to take action on just first positional arg

bash
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There are many ways you could handle this. You could process $var1 before the loop or add some condition like the following:

bash 
handled_first=false
for arg in "$var1" "$var2" "$var3" "$varN" ; do 
  if ! $handled_first; then
    # do stuff
    handled_first=true
    continue
  fi
  # other stuff
done

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