greplastmatch

2010年11月1日 — For light usage, this solution works fine, but it does not perform well. The reason is because you don't need to cat the file and pipe it to ...

Grep all lines from the first to the last occurrence of a pattern in a file - greplines.sh.

2023年1月25日 — When you do grep -r x ttest*. you get a single stream with ttest1.txt:x = 1 ttest1.txt:x = 3 ttest2.txt:x = 4 ttest2.txt:x = 10.

2021年6月7日 — I'm trying to parse a log file, and I want to return the last error in the log which is, predictably, at the end of the file. However, sometimes ...

I'm trying with 3.*6 trying to match only 34rrte56, but with my current regex is matching 4rrte567890123456789123powiluur56. And if I try with ? doesn't print ...

2022年8月23日 — The first egrep will get only the lines that contain either pattern (stripping all other unknown lines from the output). The second grep will ...

2019年5月3日 — 1 Answer 1 ... Use a loop? ... It will work, but is there a one-liner way to do it? – nac001.

2011年11月16日 — Use tail -n 1 in a for loop. For example: for name in *.file; do grep -H text $name | tail -n 1 done. (The -H option will make grep always ...

tail -n 1 displays the last line of the matches returned by grep; cut -d ':' -f 1 returns the line number of the pattern matched by grep. $( … ) is used to ...

2014年6月3日 — An unset flag is false . So this code prints lines as long as pattern /x/ didn't set flag=1 . But this solution isn't performing well. If (at ...