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金虫 (正式写手)

[求助] sum_dos脚本解析

!/bin/ksh



# Script to sum up DOS files from VASP
if [ $# -lt 3 ]; then
        echo "Usage: sum_dos [0] [start] [end]"
        echo "Or: sum_dos [1] [j] [k] [l] ..."
        exit 1
fi


type=$1
shift 1

# Contiguous
if [ $type -eq 0 ]; then

        start=$1
        end=$2
        shift 2
        string=$start.to.$end

        echo $start
        echo $end


# First file
        i=$start
        nl=$(wc -l DOS$i | sed 's/://g' | awk '{print $1}')
echo $nl

        sed -n '2,'$nl' p' DOS$i | awk '{printf "%12.8f %12.8f %12.8f %12.8f %12.8f %12.8f %12.8f %12.8f %12.8f \n", $1, $2, $3, $4, $5, $6, $7, $2+$4+$6, $3+$5+$7}' >| DOS.tmp

        i=$((i+1))

        while [ $i -le $end ]; do

                sed -n '2,'$nl' p' DOS$i | awk '{printf "%12.8f %12.8f %12.8f %12.8f %12.8f %12.8f %12.8f %12.8f %12.8f \n", $1, $2, $3, $4, $5, $6, $7, $2+$4+$6, $3+$5+$7}'  >| DOS.tmp2

                paste DOS.tmp DOS.tmp2 | awk '{printf "%15.8f %15.8f %15.8f %15.8f %15.8f %15.8f %15.8f %15.8f %15.8f \n", $1, $2+$11, $3+$12, $4+$13, $5+$14, $6+$15, $7+$16, $8+$17, $9+$18}' >| DOS.tmp3

                mv -f DOS.tmp3 DOS.tmp

                i=$((i+1))

        done


else

        start=$1
        shift 1

# First file
        i=$start
        nl=$(wc -l DOS$i | sed 's/://g' | awk '{print $1}')
        echo $nl

        sed -n '2,'$nl' p' DOS$i | awk '{printf "%12.8f %12.8f %12.8f %12.8f %12.8f %12.8f %12.8f %12.8f %12.8f \n", $1, $2, $3, $4, $5, $6, $7, $2+$4+$6, $3+$5+$7}' >| DOS.tmp
        string=$start
        for i in "$@"; do

                echo $i
                string=$(echo $string.$i)
                sed -n '2,'$nl' p' DOS$i | awk '{printf "%12.8f %12.8f %12.8f %12.8f %12.8f %12.8f %12.8f %12.8f %12.8f \n", $1, $2, $3, $4, $5, $6, $7, $2+$4+$6, $3+$5+$7}'  >| DOS.tmp2

                paste DOS.tmp DOS.tmp2 | awk '{printf "%15.8f %15.8f %15.8f %15.8f %15.8f %15.8f %15.8f %15.8f %15.8f \n", $1, $2+$11, $3+$12, $4+$13, $5+$14, $6+$15, $7+$16, $8+$17, $9+$18}' >| DOS.tmp3

                mv -f DOS.tmp3 DOS.tmp
        done


fi


mv DOS.tmp DOS.SUM.$string
rm -f DOS.tmp2



exit 0

求高手指点该脚本是怎样实现求和的,求得是那些和?
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y1ding

铁杆木虫 (著名写手)

★ ★ ★ ★ ★
franch: 金币+5, 谢谢回帖交流。。。 2014-07-08 08:35:20
注意这两句
sed -n '2,'$nl' p' DOS$i | awk '{printf "%12.8f %12.8f %12.8f %12.8f %12.8f %12.8f %12.8f %12.8f %12.8f \n", $1, $2, $3, $4, $5, $6, $7, $2+$4+$6, $3+$5+$7}'  >| DOS.tmp2

                paste DOS.tmp DOS.tmp2 | awk '{printf "%15.8f %15.8f %15.8f %15.8f %15.8f %15.8f %15.8f %15.8f %15.8f \n", $1, $2+$11, $3+$12, $4+$13, $5+$14, $6+$15, $7+$16, $8+$17, $9+$18}' >| DOS.tmp3

linux下,看一下sed awk命令的含义即可
2楼2014-07-05 20:50:00
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