#!/bin/bash file="${TMPDIR}/ips.txt" echo "10.0.0.1 10.0.0.2 10.0.0.3 10.0.0.4 10.0.0.5" > ${file} cat ${file} while read ip; do echo "-- ${ip} --" done < ${file} rm ${file}
Standard input is empty
10.0.0.1 10.0.0.2 10.0.0.3 10.0.0.4 10.0.0.5 -- 10.0.0.1 -- -- 10.0.0.2 -- -- 10.0.0.3 -- -- 10.0.0.4 -- -- 10.0.0.5 --