12 мар. 2019 г. · With GNU grep , you can switch to PCRE mode where you can use lookarounds to match a number surrounded by commas: $ grep -HPo '(?<=,)[0-9.

24 февр. 2011 г. · Just do a: grep -A1 ERROR The -A1 tells grep to include 1 line after the match. -B includes lines before the match, in case you need that too.

26 февр. 2015 г. · You can pipe the output of first grep command to another grep command and that would match both the patterns. So, you can do something like ...

10 дек. 2016 г. · To use grep for two different lines, search for both patterns. $ grep -e sweet -e lemon file_type This is a sweet lemon. Or use alternation.

10 мая 2018 г. · The script basically says: for every match of /match/, print the line 5 lines before that, then 5 lines after that, then 5 lines after that.

17 мая 2019 г. · I would like to print the nth match of a sed search which is based on two patterns, as shown below: sed -n '/start here/,/end here/p' 'testfile.txt'

19 нояб. 2018 г. · With grep you could use -A switch ( --> After Context) and | tail -n+2 to start output with the second line to skip the match. grep -A $(wc ...

21 дек. 2019 г. · The command you are asking for is simply: grep -c -o -f strings_file input_file. The -f option will obtain the patterns from the strings_file, one per line.

2 авг. 2017 г. · The simplest way to obtain contents after a match is to use the perl \K modifier eg to greedily match everything up to the last / and discard it.

16 авг. 2021 г. · Use the escaped pipe symbol in the expression: <command that spits out text> | grep "text to find\|another text to find" · Use grep with the -E ...