X-Git-Url: https://feistymeow.org/gitweb/?a=blobdiff_plain;f=scripts%2Fsystem%2Ftime_tracker.sh;fp=scripts%2Fsystem%2Ftime_tracker.sh;h=15e30db716edfdf143add0f6f854acf8fe7b7504;hb=bc201b9da42329ca2b122af0c7335b4ac0d67940;hp=0000000000000000000000000000000000000000;hpb=d6b9b4e06ee566ba7c15039b479b2e95391d0e21;p=feisty_meow.git

diff --git a/scripts/system/time_tracker.sh b/scripts/system/time_tracker.sh
new file mode 100644
index 00000000..15e30db7
--- /dev/null
+++ b/scripts/system/time_tracker.sh
@@ -0,0 +1,43 @@
+#!/bin/bash
+
+# some helpful functions for counting a named duration.
+
+# start tracking time for a named purpose, passed as the first parameter.
+function start_time_tracking()
+{
+  local varname="$1"; shift
+  if [ -z "$varname" ]; then echo must pass variable name to start_time_tracking; return 1; fi
+  local startvar="${varname}_START"
+  eval $startvar="$(date +"%s")"
+}
+
+# stop tracking the named time duration.
+function end_time_tracking()
+{
+  local varname="$1"; shift
+  if [ -z "$varname" ]; then echo must pass variable name to end_time_tracking; return 1; fi
+  local endvar="${varname}_END"
+  eval $endvar="$(date +"%s")"
+}
+
+# display the time taken for a named duration.
+function show_tracked_duration()
+{
+  varname="$1"; shift
+  if [ -z "$varname" ]; then echo must pass variable name to end_time_tracking; return 1; fi
+  # calculate the time taken.
+  local startvar="${varname}_START"
+  local endvar="${varname}_END"
+  duration="$((${!endvar} - ${!startvar}))"
+  # separate it into hours and minutes.
+  minutes="$(($duration / 60))"
+  hours="$(($duration / 60))"
+  # subtract the hours from the minutes sum for modulo.
+  minutes="$(($minutes - $hours * 60))"
+  # fashion conceit, add zeroes.
+  if (($minutes < 10)); then minutes="0$minutes"; fi
+  if (($hours < 10)); then hours="0$hours"; fi
+  echo "Time taken for ${varname}: ${hours}:${minutes} hh:mm (a total of $duration seconds)"
+}
+
+