Simple access_log analysis

gistfile1.sh

# Calculate by response status code.
cat /usr/local/nginx/latest/logs/access.log |
    awk '$9 < 200 || $9 >= 600 { print $0 > "/dev/stderr"; }
         $9 >= 200 && $9 < 600 { print $9; }' |
    sort |
    uniq -c

# Show raw lines of specific response status code line.
cat /usr/local/nginx/latest/logs/access.log |
    awk '$9 == 301 { print $0 ; }'

# Calculate by access time.
cat /usr/local/nginx/latest/logs/access.log |
    sed -e 's/^.*\[\(.*\) \(.*\)\].*$/\1/' |
    awk -F":" '{ print $1, $2, $3, $4; }' |
    awk -F"/" '{ print $1, $2, $3; }' |
    awk '{ printf "%s,%d %02d:%02d:%02d\n", $2, $1, $4, $5, $6; }' |
    sort |
    uniq -c


# Show raw lines of specific access time.
cat /usr/local/nginx/latest/logs/access.log |
    awk '$4 == "[11/Apr/2012:09:17:49" { print $0 ; }'