From 3496c34c3e5221d26ad9715c48fedaa22fb52b6e Mon Sep 17 00:00:00 2001
From: Andrew Cady <d@cryptonomic.net>
Date: Tue, 19 Oct 2021 14:18:53 -0400
Subject: refactor improve ioslay

---
 ioslay-firefox | 55 ++++++++++++++++++++++++++-----------------------------
 1 file changed, 26 insertions(+), 29 deletions(-)

diff --git a/ioslay-firefox b/ioslay-firefox
index d5b030e..9287943 100755
--- a/ioslay-firefox
+++ b/ioslay-firefox
@@ -21,6 +21,29 @@ set -- $(web_content_pids | tac)
 
 set -- $(printf "\055\055pid=%s " $*)
 
+
+sum()
+{
+    local total=0 n
+    for n in $*
+    do
+        total=$((total + n))
+    done
+    echo $total
+}
+
+keep()
+{
+    local n=$1
+    shift
+    set -- $*
+    while [ $# -ge "$n" ]
+    do
+        shift
+    done
+    printf '%s\n' "$*"
+}
+
 log=
 pct_log=
 over_count=0
@@ -29,40 +52,14 @@ sudo -- iotop -qq -b "$@" |
     do
         case "$line" in
             "Total DISK"*)
-                pct_total=0
-                for n in $pct_log
-                do
-                    pct_total=$((pct_total + n))
-                done
-                echo "$pct_total ($pct_log)"
+                [ "$(sum $pct_log)" -ge 85 ] && over=y || over=
                 pct_log=
-
-                if [ "$pct_total" -ge 95 ]
-                then
-                    over=y
-                else
-                    over=
-                fi
-
-                set -- $log
-                while [ $# -ge 10 ]
-                do
-                    shift
-                done
-                log=$*
-
+                log=$(keep 9 $log)
                 if [ "$over" ]
                 then
                     log="$log 1"
                     over=
-
-                    total=0
-                    for n in $log
-                    do
-                        total=$((total + n))
-                    done
-
-                    if [ "$total" -ge 3 ]
+                    if [ "$(sum $log)" -ge 3 ]
                     then
                         fireslay
                     fi
-- 
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