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75 lines
1.5 KiB
75 lines
1.5 KiB
#!/usr/bin/env bash |
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# |
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# Copyright (c) 2015 Wind River Systems, Inc. |
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# |
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# SPDX-License-Identifier: Apache-2.0 |
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# |
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exe_name=$(basename $0) |
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# outputs the date and time in pre-set formats |
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# default format is: 20150114-181112 |
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# usage: timestamp [-a] [-d] [-u] [-s] [-S] |
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# where: -a changes default to: 2015-01-14-18-11-56 |
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# -d changes default to: 20150114 |
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# -u changes default to: 20150114_181201 |
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# -s changes default to: 20150114-1812.04 |
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# -S changes default to: 20150114-1812 |
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# Some switches can be mixed and matched, eg. -Sa gives 2015-01-14-18-13 |
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date_format="%Y%m%d" |
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time_format="%H%M" |
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seconds_format="%S" |
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seconds_separator="" |
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date_time_separator="-" |
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function usage { |
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printf "usage: %s [-a] [-d] [-u] [-s] [-S]\n" $exe_name >&2 |
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} |
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function fail { |
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usage |
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exit -1 |
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} |
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function get_opts { |
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declare -r optstr="adusSh" |
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while getopts ${optstr} opt; do |
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case ${opt} in |
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a) all_separated=1 ;; |
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d) date_only=1 ;; |
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u) date_time_separator="_" ;; |
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s) seconds_separator="." ;; |
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S) no_seconds=1 ;; |
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h) usage; exit 0 ;; |
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*) fail ;; |
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esac |
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done |
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} |
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get_opts $@ |
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if [ x${all_separated} == x1 ]; then |
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date_format="%Y-%m-%d" |
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time_format="%H-%M" |
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seconds_separator="-" |
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fi |
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if [ x${date_only} == x1 ]; then |
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date_time_separator="" |
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time_format="" |
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seconds_format="" |
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seconds_separator="" |
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fi |
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if [ x${no_seconds} == x1 ]; then |
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seconds_format="" |
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seconds_separator="" |
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fi |
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output_date=${date_format}${date_time_separator} |
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output_time=${time_format}${seconds_separator}${seconds_format} |
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output=$(date +${output_date}${output_time}) |
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echo ${output}
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