32 lines
1.3 KiB
Bash
Executable File
32 lines
1.3 KiB
Bash
Executable File
#!/bin/bash
|
|
|
|
# Copyright 2021 The Kubernetes Authors All rights reserved.
|
|
#
|
|
# 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.
|
|
|
|
# Takes a CSV file through stdin, compresses it and writes it to stdout.
|
|
# Example usage: < data.csv ./optimize_data.sh > data_optimized.csv
|
|
|
|
set -eu -o pipefail
|
|
|
|
# Take input CSV. For each field, if it is the same as the previous row, replace it with an empty string.
|
|
# This is to compress the input CSV. Example:
|
|
# Input:
|
|
# hash,2021-06-10,Docker_Linux,TestFunctional,Passed,0.5
|
|
# hash,2021-06-10,Docker_Linux_containerd,TestFunctional,Failed,0.6
|
|
#
|
|
# Output:
|
|
# hash,2021-06-10,Docker_Linux,TestFunctional,Passed,0.5
|
|
# ,,DockerLinux_containerd,,Failed,0.6
|
|
awk -F, 'BEGIN {OFS = FS} { for(i=1; i<=NF; i++) { if($i == j[i]) { $i = ""; } else { j[i] = $i; } } printf "%s\n",$0 }'
|