Timeline for What is the need for writing `\n` in this grep
Current License: CC BY-SA 4.0
15 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Feb 10, 2023 at 13:52 | answer | added | White Owl | timeline score: -1 | |
| Feb 10, 2023 at 12:12 | history | edited | Stéphane Chazelas | edited tags | |
| Feb 10, 2023 at 12:11 | comment | added | Dhruv | @StéphaneChazelas printf 'a\nb' | grep -zEo 'a\Wb' doesn't work and neither does printf 'a\nb' | grep -zEo 'a.b'. I am using Mac. | |
| Feb 10, 2023 at 12:05 | comment | added | Stéphane Chazelas | FWIW with 2.5.1-FreeBSD on FreeBSD 12.3, I find that printf 'a\nb' | grep -zEo 'a\Wb' matches. printf 'a\nb' | grep -zEo a.b also matches in that it reports a zero exit status, but outputs nothing which looks very much like a bug. | |
| Feb 10, 2023 at 11:50 | comment | added | Stéphane Chazelas | Possibly relevant: github.com/freebsd/freebsd-src/commit/… | |
| Feb 10, 2023 at 11:47 | comment | added | Stéphane Chazelas | Can you possibly reduce it to a smaller reproducer? Like does printf 'a\nb' | grep -zEo 'a\Wb' match for you? | |
| Feb 10, 2023 at 11:14 | comment | added | Dhruv | This is my grep version grep (BSD grep, GNU compatible) 2.6.0-FreeBSD | |
| Feb 10, 2023 at 11:13 | comment | added | Stéphane Chazelas | I can't reproduce with GNU grep 3.7 | |
| Feb 10, 2023 at 11:10 | comment | added | Dhruv | @StéphaneChazelas I am not asking for query. I want to understand the behaviour of the queries. Thanks for your suggestion though | |
| Feb 10, 2023 at 11:04 | comment | added | Stéphane Chazelas | Try pcregrep -Mio '(?s)^\h*create .*?;'. | |
| Feb 10, 2023 at 11:02 | comment | added | Stéphane Chazelas | In any case *? for non-greedy * is a perl operator. Very few grep implementations support it with -E. | |
| Feb 10, 2023 at 10:56 | history | edited | Dhruv | CC BY-SA 4.0 | deleted 6 characters in body |
| Feb 10, 2023 at 10:56 | history | edited | Dhruv | CC BY-SA 4.0 | edited body |
| S Feb 10, 2023 at 10:32 | review | First questions | |||
| Feb 10, 2023 at 12:41 | |||||
| S Feb 10, 2023 at 10:32 | history | asked | Dhruv | CC BY-SA 4.0 |