Question

我想在后面加上一个单词来重复一个单词。 Atm我的bash脚本仅写搜索到的单词，而不写以下几行。每行以日期开头，但不以以下各行开头。就我而言，最好用“ cut”选项编写“ while”命令？我如何使其运行？

read -p "what you want to search?: " Search
grep -i "${Search}" "$1"






2017-03-15 15:23:02,814 ERROR - (8564@xxxxxxx-PC) 
java.lang.NoClassDefFoundError: Could not initialize class 
    at java.util.concurrent.FutureTask$Sync.innerRun
    at java.util.concurrent.FutureTask.run
    at java.util.concurrent.ThreadPoolExecutor.runWorker                 java.util.concurrent.ThreadPoolExecutor$Worker.run
    at java.lang.Thread.run(Thread.java:722)
    at java.lang.Thread.run(Thread.java:722)
    at java.lang.Thread.run(Thread.java:722)
    at com.xxxxxxx.batch.converter.compart.CompartWrapper.transform
    at com.xxxxxxx.batch.converter.compart.CompartWrapper.convert
    at com.xxxxxxx.batch.converter.AbstractConverter.run
    at com.xxxxxxx.batch.converter.fo.FoConverter.foToFormatUnequalFo
    at com.xxxxxxx.batch.converter.fo.FoConverter.convert
    at com.xxxxxxx.batch.converter.fo.FoConverter.call
2017-03-15 15:23:02,847 ERROR - (8564@xxxxxxx-PC)
java.lang.NoClassDefFoundError: Could not initialize
    at java.util.concurrent.FutureTask$Sync.innerRun
    at java.util.concurrent.FutureTask.run
    at java.util.concurrent.ThreadPoolExecutor.runWorker
    at java.util.concurrent.ThreadPoolExecutor$Worker.run
    at java.lang.Thread.run

Answer 1

$ grep -A1 -i "${Search}" "$1"

“-A1”返回匹配的行，再返回1行。调整数字以适合您的需求。

Answer 2

2周后，也许我找到了一种在日志文件中进行搜索的方法但是我需要你的意见

#!/bin/bash -e 
if [ -e "$1" ] ; 
then
        input="$1"
else
        echo "need name file after script" >&2
        exit
fi
erra()     { grep --color -i -n -P "${search}|\t" "$1";}
infa()     { grep --color -i -n -P "${search}" "$1";}  
searcht()  { [[ $search == [eE]* ]];}
searchiw() { [[ $search == [iIwW]* ]];}
conti()    { read -r -p "another request?[y/n]: " ans
            if [[ $ans == [nN]* ]]
              then
              exit
            fi;}
while :
do
            read -r -p "what do you search?: " "search"
            if  searcht "$1"                
              then
            erra "$1"
            conti "$1"
              else
            searchiw "$1"   
            infa "$1"
            conti "$1" 
            fi
done

如何从日志文件读取

2 个答案: