IFS=$'\n' for i in $(cat ../catalogue.txt); do line=$(echo $i | cut -d$'\t' -f 1) idom=$(echo $i | cut -d$'\t' -f 2) fg=$(echo $i | cut -d$'\t' -f 3) rye run start "$line" | sed "s/>>/>>, \$i(G) = $idom\$, \$fg(G) = $fg\$/" done