[SOLVED] How to write a Bash script / command that shows the range of 500-511 HTTP server errors in a file

Issue

I am trying to write a bash script that will list and count the number of HTTP: 500 - 511 web error inside this file "ccc2022-02-19.txt" Inside every file there are several 500 errors ranging from HTTP 500, 501, 502, 503 up to 511.

Within the directory where this files are , there are 4 different type of files listed there daily but I am only interested on the files that starts with "ccc" because they are listed daily for example "ccc2022-02-19.txt", "ccc2022-02-20.txt" etc

Below is an example of the file content "ccc2022-02-19.txt"

10.32.10.181    ignore  19 Feb 2022 00:26:04 GMT        10.32.10.44     GET / HTTP/1.1  500     73      N       0       h
10.32.26.124    ignore  19 Feb 2022 00:26:06 GMT        10.32.10.44     GET / HTTP/1.1  501     73      N       0       h
10.32.42.249    ignore  19 Feb 2022 00:26:27 GMT        10.32.10.44     GET / HTTP/1.1  500     73      N       1       h
10.32.10.181    ignore  19 Feb 2022 00:26:34 GMT        10.32.10.44     GET / HTTP/1.1  302     73      N       0       h
10.32.26.124    ignore  19 Feb 2022 00:26:36 GMT        10.32.10.44     GET / HTTP/1.1  503     73      N       1       h
10.32.26.124    ignore  19 Feb 2022 00:26:36 GMT        10.32.10.44     GET / HTTP/1.1  502     73      N       1       h
10.32.26.124    ignore  19 Feb 2022 00:26:36 GMT        10.32.10.44     GET / HTTP/1.1  502     73      N       1       h
10.32.26.124    ignore  19 Feb 2022 00:26:36 GMT        10.32.10.44     GET / HTTP/1.1  504     73      N       1       h
10.32.26.124    ignore  19 Feb 2022 00:26:36 GMT        10.32.10.44     GET / HTTP/1.1  511     73      N       1       h
10.32.26.124    ignore  19 Feb 2022 00:26:36 GMT        10.32.10.44     GET / HTTP/1.1  508     73  

I have tried using this command

awk '{for(i=1;i<=NF;i++){if($i>=500 && $i<=511){print $i}}}' ccc2022-02-19.txt

which listed the numbers 500 -511 but I'm afraid that it is not giving only the HTTP response but grepped other number too like 50023, 503893 found inside the file.

To be specific, I just want to see only the HTTP errors. Please note that the file content above is just an example......

Solution

This should achieve what you want. Please guys always try to read the description before concluding that he asked a stupid question. It is actually clear!!

awk '{print $3 " " $4 " " $5 " " $6 " " $11 " " $12}' ccc2022-02-21.txt | grep 500 | wc -l

This experiment was done in reference to the file output he provided above and i tested this and it worked! This was a brilliant question in my opinion

Answered By - Emmanuel Spencer Egbuniwe

Answer Checked By - Dawn Plyler (WPSolving Volunteer)