[nmglug] log auto refresh

[a]

  digitemp_DS9097U  -a -d10 -n180 -o3 -ldata1.txt. Am Using the previous
code,I believe to be pHp,it is using the same commands,with additions,as
"strftime"
That script reads digitemp output each ten seconds,180 times, Fahrenheit
output to data1.txt,with the page is open, I must manually refresh
"data1.txt" to update.
Will anyone suggest a straightforward method to auto refreshing
"data1.txt" on a running basis,and get by a manual update. tnx, Anthony