improved script parametrization

log-provider.sh

@@ -1,5 +1,19 @@
-#/bin/bash
+# last stats file to read from
-while true
+FILENAME=$(ls stats-* | tail -n 1)
-do
+ 
- { echo -ne "HTTP/1.0 200 OK\r\nContent-Length: $(wc -c <top.csv)\r\nAccess-Control-Allow-Origin: *\r\n\r"; cat top.csv;  } | nc -v -l -p 4870
+# number of lines to read
+N=100
+ 
+# time to sleep in milliseconds
+SLEEP=100
+ 
+# chunk filename
+CHUNK_FILENAME="log-provider-chunk.csv"
+ 
+header=$(head -n 1 $FILENAME)
+ 
+while true; do
+  paste <(echo $header) <(tail -n +2 $FILENAME | tail -n $N) --d '' > $CHUNK_FILENAME
+  { echo -ne "HTTP/1.0 200 OK\r\nContent-Length: $(wc -c $CHUNK_FILENAME)\r\nAccess-Control-Allow-Origin: *\r\n\r"; cat $CHUNK_FILENAME; }  | nc -v -l -p 4870
+  sleep ${SLEEP}e-3
 done