cxx-old-abi-pkgs.sh

#!/bin/bash

cxx_packages() {
    while read pkg; do
        mapfile -t files < <(pacman -Qlq $pkg | grep -v /$)
        grep -Fq libstdc++.so.6 "${files[@]}" <&- 2>/dev/null && echo $pkg
    done < <(pacman -Qmq)
}

while read pkg; do
    mapfile -t files < <(pacman -Qlq $pkg | grep -v /$ | grep -E '\.so$|^/usr/bin')

    for file in ${files[@]}; do
        mimetype="$(file -i $file | cut -d' ' -f2)"

        case $mimetype in
            'text/plain;'|'text/x-shellscript;')
                continue ;;
        esac

        if ! grep -q cxx11 $file; then
            echo "${pkg}: $file (${mimetype/;})"
        fi
    done
done < <(cxx_packages)