linux - [Solved-4 Solutions] How to search for a multiline pattern in a file ? - ubuntu - red hat - debian - linux server - linux pc
Linux - Problem :
How to search for a multiline pattern in a file ?
Linux - Solution 1:
For example, you need to find files where the '_name' variable is immediatelly followed by the '_description' variable:
find . -iname '*.py' | xargs pcregrep -M '_name.*\n.*_description'click below button to copy the code. By - Linux tutorial - team
Tip: you need to include the line break character in your pattern. Depending on your platform, it could be '\n', \r', '\r\n', ..
Linux - Solution 2:
awk '/Start pattern/,/End pattern/' filenameclick below button to copy the code. By - Linux tutorial - team
Linux - Solution 3:
grep -Pzo '_name.*\n.*_description'click below button to copy the code. By - Linux tutorial - team
Linux - Solution 4:
grep -P also uses libpcre, but is much more widely installed. To find a complete title section of an html document, even if it spans multiple lines, you can use this:
grep -P '(?s)<title>.*</title>' example.htmlclick below button to copy the code. By - Linux tutorial - team
Since the PCRE project implements to the perl standard, use the perl documentation for reference: