如何使用linux命令提取与文本文件中特定字段匹配的文本 [英] how to extract text which matches particular fields in text file using linux commands

问题描述

您好，下面是我的文本文件

Hi below is my text file

{"Author":"john"
  "subject":"java"
  "title":"java cook book.pdf"}

{"title":"Php book.pdf"
 "Author":"Smith"
 "subject":"PHP"}

{"Author":"Smith"
"title":"Java book.pdf"}

从上述数据中，我想提取所有包含"java"单词的标题，我应该得到以下输出

from the above data i want to extract all titles which contains "java" word, i should get the following output

java cook book.pdf
Java book.pdf

请建议我

谢谢

推荐答案

GNU sed

sed -r '/title.*java/I!d;s/.*:.(.*).}$/\1/' file

java cook book.pdf
Java book.pdf

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