Added comments.

50-fail2ban-status

@@ -1,17 +1,18 @@
 #!/bin/bash
 
+# fail2ban-client status to get all jails, takes about ~70ms
 jails=($(fail2ban-client status | grep "Jail list:" | sed "s/ //g" | awk '{split($2,a,",");for(i in a) print a[i]}'))
 
 out="jail,failed,total,banned,total\n"
 
 for jail in ${jails[@]}; do
-  status=$(fail2ban-client status ${jail})
-  failed=$(echo "$status" | grep -ioP '(?<=Currently failed:\t)[[:digit:]]+')
-  totalfailed=$(echo "$status" | grep -ioP '(?<=Total failed:\t)[[:digit:]]+')
-  banned=$(echo "$status" | grep -ioP '(?<=Currently banned:\t)[[:digit:]]+')
-  totalbanned=$(echo "$status" | grep -ioP '(?<=Total banned:\t)[[:digit:]]+')
-
-  out+="$jail,$failed,$totalfailed,$banned,$totalbanned\n"
+    # slow because fail2ban-client has to be called for every jail (~70ms per jail)
+    status=$(fail2ban-client status ${jail})
+    failed=$(echo "$status" | grep -ioP '(?<=Currently failed:\t)[[:digit:]]+')
+    totalfailed=$(echo "$status" | grep -ioP '(?<=Total failed:\t)[[:digit:]]+')
+    banned=$(echo "$status" | grep -ioP '(?<=Currently banned:\t)[[:digit:]]+')
+    totalbanned=$(echo "$status" | grep -ioP '(?<=Total banned:\t)[[:digit:]]+')
+    out+="$jail,$failed,$totalfailed,$banned,$totalbanned\n"
 done
 
 printf "\nfail2ban status:\n"