fix filepath bug when processing file with ripgrep in separator.sh.

The script was processing lm1-exhibiton-all.csv twice because I forgot to
replace the hardcoded value ('lm1') in the path used by rg. The code both
processes lm1-exhibition-all.csv and lm2-exhibition-all.csv files.

separator.sh

@@ -44,14 +44,14 @@ hourBreakdown () {
 }
 
 dailyBreakdown () {
-    lm="$1"; # Light Meter (either 1 or 2)
+    lm=$1; # Light Meter (either 1 or 2)
     mkdir -p "data/light-meter-$lm";
     for month in {6..8} ; do
         for day in {1..31} ; do
             if [[ $day -lt 10 ]]; then
                 touch "data/light-meter-$lm/2021-0$month-0$day.csv";
                 echo "time,reading" > "data/light-meter-$lm/2021-0$month-0$day.csv";
-                rg "2021-0$month-0$day" "data/lm1-exhibiton-all.csv"  >> "data/light-meter-$lm/2021-0$month-0$day.csv";
+                rg "2021-0$month-0$day" "data/lm$lm-exhibiton-all.csv"  >> "data/light-meter-$lm/2021-0$month-0$day.csv";
                 if [[ $month -lt 10 ]]; then
                     hourBreakdown "0$day" "0$month" $lm;
                 else
@@ -60,7 +60,7 @@ dailyBreakdown () {
             else
                 touch "data/light-meter-$lm/2021-0$month-$day.csv";
                 echo "time,reading" > "data/light-meter-$lm/2021-0$month-$day.csv";
-                rg "2021-0$month-$day" "data/lm1-exhibiton-all.csv"  >> "data/light-meter-$lm/2021-0$month-$day.csv";
+                rg "2021-0$month-$day" "data/lm$lm-exhibiton-all.csv"  >> "data/light-meter-$lm/2021-0$month-$day.csv";
                 if [[ $month -lt 10 ]]; then
                     hourBreakdown $day "0$month" $lm;
                 else