better caching for instantspeedtest

diff --git a/programs/instantspeedtest b/programs/instantspeedtest
index 3b99e9c..fb6b9d8 100644 (file)
--- a/programs/instantspeedtest
+++ b/programs/instantspeedtest
@@ -17,7 +17,8 @@ PING="$(sed -n '1p' <<<"$SPEEDOUT" | grep -o '[0-9].*')"
 DOWNLOAD="$(sed -n '2p' <<<"$SPEEDOUT" | grep -o '[0-9].*')"
 UPLOAD="$(sed -n '3p' <<<"$SPEEDOUT" | grep -o '[0-9].*')"
 
-echo "$(date '+%Y.%m.%d.%H.%M'):$PING:$DOWNLOAD:$UPLOAD" >> ~/.cache/instantos/speedtest
+sed -i "1i$(date '+%Y.%m.%d.%H.%M'):$PING:$DOWNLOAD:$UPLOAD" ~/.cache/instantos/speedtest
+sed -i '400,$d' ~/.cache/instantos/speedtest
 
 while :; do
     CHOICE="$(