X-Git-Url: https://git.harvie.cz/?a=blobdiff_plain;f=c%2Fgoertzel%2Fsleepcount.sh;h=920e42b0d86cc4f62018c3d8595bb8e54b476407;hb=991ef83fab62bdf4e2d7c3dda4bb21352143f8ed;hp=dbfda3e5665be612749348049aafc78099519463;hpb=3e5828b5bfdae6ef1457d8e44c551369e12e467b;p=mirrors%2FPrograms.git

diff --git a/c/goertzel/sleepcount.sh b/c/goertzel/sleepcount.sh
index dbfda3e..920e42b 100755
--- a/c/goertzel/sleepcount.sh
+++ b/c/goertzel/sleepcount.sh
@@ -1,9 +1,11 @@
 #!/bin/bash
-seconds=$2
+seconds="$2"
 START=$(head -n 1 "$1" | cut -f 2)
-STARTOK=$(tail -n 1 "$1.counts.$seconds" | cut -f 1)
+STARTOK=$({ tail -n 1 "$1.counts.$seconds" || echo 0; } | cut -f 1)
 STOP=$( tail -n 1 "$1" | cut -f 2)
 
+fuser "$1.counts.$seconds" &>/dev/null && exit 23;
+
 test "$STARTOK" -gt "$START" && START="$STARTOK";
 seq $START $STOP | while read MAX; do
 	MIN=$(( $MAX - $seconds  ))