使用linux cut将字段拆分为两个

时间:2012-05-21 15:44:54

标签: linux cut

我的日志文件中有几个字段,我可以使用以下脚本将它们转换为CSV格式。

#!/bin/bash
INPUT=/home/MSC11/khanm/wwwp11dorganiser.co.uk_log
OUTPUT="/home/MSC11/khanm/output-$(basename $INPUT | cut -d'.' -f1).csv"
# field names
s=1
ip=
dt=
method=
target=
protocol=
statuscode=
reference=
echo -n "Processing..."
# empty output file
>$OUTPUT
# read input line by line
while IFS= read -r line
do
   # get data
    ip=$(cut -d" " -f1<<<"$line")
    dt=$(cut -d" " -f4<<<"$line")
    method=$(cut -d" " -f6<<<"$line")
    target=$(cut -d" " -f7<<<"$line")
    protocol=$(cut -d" " -f8<<<"$line")
    statuscode=$(cut -d" " -f9<<<"$line")
    reference=$(cut -d" " -f11<<<"$line")
    # write cvs formatted output
    echo "${s},${ip},${dt},${target},${method},${protocol},${statuscode},${reference}" >>$OUTPUT
    # update counter
    s=$(( ++s ))
done < "$INPUT" 
echo "done."
echo "Total ${s} line processed and wrote to $OUTPUT cvs file."

变量“dt”的格式为29 / Nov / 2007:20:42:09。我想把它分成两部分。一个是格式日期为29 / Nov / 2007,第二个格式为20:42:09。我已经解决了切割命令,但我无法做到这一点。任何帮助,将不胜感激。感谢

1 个答案:

答案 0 :(得分:3)

cut -d: -f1 <<< $dt
29/Nov/2007
cut -d: -f2- <<< $dt
20:42:09