Every now and then you need to know which files contain a string starting from the current directory and all files below. One way to do this on some Unix-like systems is to use something like...
find . -exec grep -l 'phrase to find in your files' {} \;
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Here are MySQL queries for my records with use of a subquery to update empty conference descriptions.
UPDATE `message` SET `content_markup` = IF( `content_markup` = '', 'uploaded files are added here', `content_markup` ), `content` = `content_markup` WHERE `id` = (SELECT `conference_message_id_files` FROM `configuration`);
UPDATE `message` SET `content_markup` = IF( `content_markup` = '', "put the topic here if it doesn't fit elsewhere", `content_markup` ), `content` = `content_markup` WHERE `id` = (SELECT `conference_message_id_general` FROM `configuration`);
UPDATE `message` SET `content_markup` = IF( `content_markup` = '', 'uploaded images are added here', `content_markup` ), `content` = `content_markup` WHERE `id` = (SELECT `conference_message_id_images` FROM `configuration`);
UPDATE `message` SET `content_markup` = IF( `content_markup` = '', 'optionally add webpages here', `content_markup` ), `content` = `content_markup` WHERE `id` = (SELECT `conference_message_id_webpages` FROM `configuration`);
The steps for entering a relative url for a message have changed. The relative url is now entered in the Add/Edit Message forms.