INNER CODE UNIT · Shell

IFS

chaifeng/ufw-docker · print-ip6tables.sh:62

    while IFS= read -r line; do
        if [[ "$line" =~ ^\*(.*) ]]; then
            current_table="${BASH_REMATCH[1]}"
            table_base_chains["$current_table"]=""
        elif [[ -n "$current_table" ]]; then
            if [[ "$line" =~ ^:([A-Za-z0-9_-]+)[[:space:]](ACCEPT|DROP|RETURN) ]]; then
                local chain_name="${BASH_REMATCH[1]}"
                table_base_chains["$current_table"]+="$chain_name "
            fi
            if [[ "$line" =~ ^-A[[:space:]]+([A-Za-z0-9_-]+) ]]; then
                local chain_name="${BASH_REMATCH[1]}"
                all_rules["$current_table,$chain_name"]+="$line"$'\n'
            fi
        fi
    done < <(ip6tables-save 2>/dev/null)
}

# Highlight and print a single rule

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