bash eksempler

# find all digicam pics on an hdd
find /media/bismuth/ -type f | sort > a; cat a | sed -r 's_(.*)/(.*)_\2                                                          \1/\2_' | sed -r 's/(.{60}) */\1/' | grep -iE 'jpg$' | grep -E '^[^0-9\.]{3}' | uniq -Dw3 | less



# graph of free disk space over time on a server
(echo 'set term pngcairo size 1280,720'; echo 'set xlabel "tens of seconds"'; echo 'set ylabel "free GB  (started out with 90GB, logging begun at 76GB)"'; echo "plot '-' with lines"; cat dused | while read x;do echo "scale=16;$x / (1024 * 1024)"; done | bc  |head -n 1500) | gnuplot > /var/www/diskfree.png



# access.log link popularity
cat access.log | grep '00] "GET /' | sed -E 's-.*00] "GET (.*?) HTTP/[0-9.]*" .*-\1-' | sed -E 's-(.)/$-\1-' | sort | uniq -c | sort -n | grep -v '/th/'