60 lines
1.5 KiB
Plaintext
60 lines
1.5 KiB
Plaintext
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#!/bin/bash
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VERBOSE=0
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CONFIG_DIR=$HOME/.config/crolim
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MEMORY_FILE=${CONFIG_DIR}/memory
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STATUS_COMMAND="date +%D"
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function usage() {
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echo "Usage: $0 [OPTIONS] COMMAND"
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echo " $0 -h"
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echo ""
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echo " -h ... show help"
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echo ""
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echo " OPTIONS"
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echo " -m --memory-file ... location to store previous status value"
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echo " -s --status-command ... command to execute to get the current status"
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echo " -v --verbose ... verbose mode"
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echo " COMMAND ... command to limit until memory and status are the same"
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}
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# read the options
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TEMP=`getopt -o m:s:hv --long memory-file:,status-command:,help,verbose -- "$@"`
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eval set -- "$TEMP"
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while true ; do
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case "$1" in
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-h | --help) usage; exit 0
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;;
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-v | --verbose) VERBOSE=1 ; shift
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;;
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-m | --memory-file)
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MEMORY_FILE=$2 ; shift 2
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;;
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-s | --status-command)
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STATUS_COMMAND=$2 ; shift 2
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;;
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--) shift ; break ;;
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*) echo "Internal error!" ; exit 1 ;;
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esac
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done
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# check limiting condition
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#mkdir -p `dirname $MEMORY_FILE`
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STATUS_NOW=`eval $STATUS_COMMAND`
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STATUS_MEMORY=""
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if [[ -f $MEMORY_FILE ]]; then
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STATUS_MEMORY=`cat $MEMORY_FILE`
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fi
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if [[ "$STATUS_NOW" == "$STATUS_MEMORY" ]]; then
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[[ $VERBOSE == 1 ]] && echo "Limiting, status is the same: ${STATUS_NOW}"
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exit 0
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else
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[[ $VERBOSE == 1 ]] && echo "Status changed from '${STATUS_MEMORY}' to '${STATUS_NOW}'"
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echo ${STATUS_NOW} > $MEMORY_FILE || { echo "Cannot update memory file: $MEMORY_FILE" ; exit 1 ; }
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fi
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# run the command!
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eval $@
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