xargs with multiple arguments

Question

I have a source input, input.txt

a.txt
b.txt
c.txt

I want to feed these input into a program as the following:

<         


        

Answer 1

dont listen to all of them :) just look at this example:

echo argument1 argument2 argument3 | xargs -l bash -c 'echo this is first:$0 second:$1 third:$2' | xargs

output will be

this is first:argument1 second:argument2 third:argument3