1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
#!/usr/bin/env bash
#
# @license Apache-2.0
#
# Copyright (c) 2017 The Stdlib Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# Prints the average commit message length per hour.
#
# <hour> <avg_length>
# * `git log`
# - Print commit messages.
# * `awk '{}'`
# - Compute hourly averages.
# * `sort -n`
# - Sort in numerical order.
git log --format=format:"%ad %s" --date=format:"%T" | awk '
{
split($1, time, ":")
hr = time[1]
sum[hr] += length($0) - 9 # "HH:MM:SS "
N[hr] += 1
}
END {
for (hr in sum) {
print hr OFS sum[hr]/N[hr]
}
}
' | sort -n
|
