sfeed_opml_export: disallow using a directory as a config file - sfeed - RSS and Atom parser
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       ---
 (DIR) commit 03a0a0ddb450f33e59a911a8be1b17d31507fa43
 (DIR) parent 0a5e36032373b34558e62f309be0b0ef7e925459
 (HTM) Author: Hiltjo Posthuma <hiltjo@codemadness.org>
       Date:   Thu, 28 Dec 2023 16:48:06 +0100
       
       sfeed_opml_export: disallow using a directory as a config file
       
       Same as the commit 9754fe74f7b5c0600cc41eef8c6f5c8305a74a18 for sfeed_update
       
       Tested on NetBSD 5.1: evaluating directories as config files could allow
       garbage, so disallow it.
       
       Devices / fifo, etc are still allowed.
       
       Diffstat:
         M sfeed_opml_export                   |       2 +-
       
       1 file changed, 1 insertion(+), 1 deletion(-)
       ---
 (DIR) diff --git a/sfeed_opml_export b/sfeed_opml_export
       @@ -15,7 +15,7 @@ loadconfig() {
                fi
        
                # config is loaded here to be able to override $sfeedpath or functions.
       -        if [ -r "${configpath}" ]; then
       +        if [ -r "${configpath}" ] && [ ! -d "${configpath}" ]; then
                        . "${configpath}"
                else
                        printf "Configuration file \"%s\" cannot be read.\n" "${config}" >&2