add a timer script

1 files changed, 65 insertions, 0 deletions

diff --git a/scripts/timer b/scripts/timer
new file mode 100755
index 0000000..04522d6
--- /dev/null
+++ b/scripts/timer
@@ -0,0 +1,65 @@
+#!/bin/bash
+
+############################################################
+# Argument parsing
+############################################################
+
+# We need TEMP as the 'eval set --' would nuke the return value of getopt.
+TEMP=$(getopt -o 'm:hr:' --long 'message:,help,repetition:' -n 'timer' -- "$@")
+
+if [ $? -ne 0 ]; then
+    echo 'Terminating...' >&2
+    exit 1
+fi
+
+# Note the quotes around "$TEMP": they are essential!
+eval set -- "$TEMP"
+unset TEMP
+
+message=''
+repetition='60'
+while :; do
+    case "$1" in
+    '-m'|'--message') message="$2"; shift 2; continue;;
+    '-r'|'--repetition') repetition="$2"; shift 2; continue;;
+    '-h'|'--help') cat <<EOF
+timer [OPTIONS]... TIME
+
+Options:
+
+  -h, --help            show this help screen (TIME optional in this case)
+  -m M, --message M     Use M as message to show and say
+  -r S, --repetition S  Wait S seconds between each repetition
+EOF
+        exit 0
+        ;;
+    '--') shift; break;;
+    *) echo 'Internal error !' >&2; exit 1 ;;
+    esac
+done
+
+
+time="$1"
+shift
+
+if [[ "$message" = "" ]]; then message="Timer \"$time\" is over."; fi
+
+############################################################
+# Main code
+############################################################
+
+sleep=sleep
+if type -p fancy-sleep >/dev/null; then sleep=fancy-sleep; fi
+
+"$sleep" "$time" || exit 0
+
+while :; do
+    printf "\a"
+    if test "$#" -gt 0; then
+        "$@"
+    else
+        notify-send "$message"
+        spd-say-en  "$message"
+    fi
+    "$sleep" "$repetition" || break
+done