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-rwxr-xr-xutil/bin/timer14
1 files changed, 14 insertions, 0 deletions
diff --git a/util/bin/timer b/util/bin/timer
new file mode 100755
index 00000000..98c43063
--- /dev/null
+++ b/util/bin/timer
@@ -0,0 +1,14 @@
+#!/bin/bash
+
+if [[ $# -eq 0 ]];then
+ echo $(date '+%s')
+else
+ [ "$1" -eq "-h" -o "$1" -eq "--help" ] && \
+ echo "usage: $0 [start_time]" && \
+ echo " if no start_time is given, return the currentime" && \
+ echo " if start_time is given, return the difference"
+ stime=$1
+ etime=$(date '+%s')
+ [[ -z "$stime" ]] && stime=$etime
+ echo $((etime - stime))
+fi