Shell Programming and Scripting

[[ "$line" =~ ^\*[[:blank:]]*server1.com ]] && url_s1=${line##*: }

while read line
do
        [[ "$line" =~ ^\*[[:blank:]]*server1.ux.com ]] && url_s1=${line##*: }
        [[ "$line" =~ ^\*[[:blank:]]*server2.ux.com ]] && url_s2=${line##*: }
        [[ "$line" =~ ^\*[[:blank:]]*server3.ux.com ]] && url_s3=${line##*: }
done < 1.txt

{
        echo -n "firefox http://"
        for U in ${url_s1//,/ }
        do
                printf "${U}&2C"
        done
        echo ".com/index.html"

        echo -n "firefox http://"
        for U in ${url_s2//,/ }
        do
                printf "${U}&2C"
        done
        echo ".com/index.html"

        echo -n "firefox http://"
        for U in ${url_s3//,/ }
        do
                printf "${U}&2C"
        done
        echo ".com/index.html"
} > output2.txt

while read line
do
        [[ "$line" =~ server1\.ux\.com ]] && url_s1=${line##*: }
        [[ "$line" =~ server2\.ux\.com ]] && url_s2=${line##*: }
        [[ "$line" =~ server3\.ux\.com ]] && url_s3=${line##*: }
done < 1.txt