46 строки
1.1 KiB
Plaintext
46 строки
1.1 KiB
Plaintext
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#!/bin/bash
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#####################################################################
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# Evaluate a floating point number expression.
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function float_eval(){
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float_scale=9
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local stat=0
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local result=0.0
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if [[ $# -gt 0 ]]; then
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result=$(echo "scale=$float_scale; $*" | bc -q 2>/dev/null)
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stat=$?
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if [[ $stat -eq 0 && -z "$result" ]]; then
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stat=1;
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fi
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fi
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echo $result
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return $stat
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}
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if [ -z "$1" ]; then
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echo "Need the name of a timing file"
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exit 0
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fi
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thefile=$1
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sed '/^$/d' $thefile > ${thefile}_tmp
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sort ${thefile}_tmp > ${thefile}
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read line < ${thefile}
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first_ts=`echo $line | awk '{ print $1 }' | sed -e 's/s//'`
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prev_ts=$first_ts
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echo $first_ts
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while read line ; do
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cur_ts=`echo $line | awk '{ print $1 }' | sed -e 's/s//'`
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dif1=`float_eval "$cur_ts - $first_ts"`
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dif2=`float_eval "$cur_ts - $prev_ts"`
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newline=`echo $line | sed -e "s/$cur_ts/$dif1:$dif2/"`
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prev_ts=$cur_ts
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echo $newline
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done < ${thefile} > ${thefile}_tmp
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cat ${thefile}_tmp > ${thefile}
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rm -f ${thefile}_tmp
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