---
title: dont't know
draft: true
---
this is a test to add some extra content

this is a test to add some extra content

$ cat test.info | grep '---' -A1
grep: unrecognized option `---'

$ cat test.info | grep 'this' -A1

$ grep -m 1 -e '---' test.info
---
$ grep -- --- test.info | tail -1
---

if $line 'not numeric' ...

$ grep --version

grep -e "---" test.info

grep "---" test.info

tac file| awk '/---/ {exit} {print}'|tac

tac file

next line
this is a test to add some extra content
---
draft: true
title: dont't know
---

next line
this is a test to add some extra content

this is a test to add some extra content
next line

$ cat t3.info
,,,
qwerty
uiop
,,,




werwer
werwer
,,,,,
werwerwer
werwerwer
werwerwer
,,,,



$ cat t3.info | grep -P ',,,' -A1
,,,
qwerty
--
,,,

--
,,,,,
werwerwer
--
,,,,



$

$ cat t3.info
---
qwerty
uiop
---




werwer
werwer
---
werwerwer
werwerwer
werwerwer
---

$ cat t3.info | grep -P '---' -A1
---
qwerty
--
---

--
---
werwerwer
--
---

$ cat t3.info | grep -P '(?=x2d{3})...' -A1
---
qwerty
--
---

--
---
werwerwer
--
---

$ grep --version
grep (GNU grep) 2.16