Copy chromium's URL history to a logfile, and delete the original history if possible (e.g. if chromium is not running). Logfile is in the line-based format "<windows timestamp>|<url>".

gistfile1.txt

#!/bin/bash
DATABASE=$(mktemp)
CHROMEDB=~/.config/chromium/Default/History
ISLOCKED=$(sqlite3 ~/.config/chromium/Default/History "SELECT COUNT(*) from urls" 2>&1 1>/dev/null)
EXPORT_FILE=~/.visited_urls
 
if [ ! -f "${CHROMEDB}" ]
then
    echo "Chrome database \"$CHROMEDB\" is missing.  This may be normal behavior if the history is cleared."
    exit 0
fi
 
if [ "$ISLOCKED" ]
then
    echo "Locked, using a copy"
    cp "${CHROMEDB}" "${DATABASE}.db"
else
    mv "${CHROMEDB}" "${DATABASE}.db"
fi
 
sqlite3 "${DATABASE}.db" "SELECT MAX(visits.visit_time) as visit_time, urls.url as url FROM urls INNER JOIN visits ON urls.id = visits.url GROUP BY urls.id" >> "${DATABASE}.urls"
rm "${DATABASE}.db"
cat "${DATABASE}.urls" | tee -a "${EXPORT_FILE}"
rm "${DATABASE}.urls"