extracting_from_csv.sh

#!/bin/bash

while read -r line; do
    echo Processing: $line
    if [[ ${line} =~ ^\"MDL-[0-9]*\",\"(.*)\" ]]; then
        versions=${BASH_REMATCH[1]}
        echo Versions: ${versions}
        IFS=',' read -ra versionsarr <<< "$versions"
        for version in "${versionsarr[@]}"; do
            echo $version
        done
    fi
    echo
done < <(echo '"MDL-54820","3.1.1"
"MDL-54805","3.0.5,3.1.1"
"MDL-54769","3.0.5,3.1.1"
"MDL-54765","3.0.5,3.1.1"
"MDL-54739","3.1.1"
"MDL-54729","3.1.1"
"MDL-54702","3.1.1"
"MDL-54557","3.0.5,3.1.1"
"MDL-54180","3.0.5,3.1.1"
"MDL-53947",""
"MDL-53392","3.0.5,3.1.1"
"MDL-50824","3.0.5,3.1.1"
"MDL-49852","3.0.5,3.1.1"
"MDL-48756","3.0.5,3.1.1"
"MDL-46721","3.0.5,3.1.1"
"MDL-41922","3.0.5,3.1.1"
"MDL-35104","STABLE backlog"')