linux - Split one file into multiple files based on delimiter

Question

I have one file with -| as delimiter after each section...need to create separate files for each section using unix.

example of input file

wertretr
ewretrtret
1212132323
000232
-|
ereteertetet
232434234
erewesdfsfsfs
0234342343
-|
jdhg3875jdfsgfd
sjdhfdbfjds
347674657435
-|

Expected result in File 1

wertretr
ewretrtret
1212132323
000232
-|

Expected result in File 2

ereteertetet
232434234
erewesdfsfsfs
0234342343
-|

Expected result in File 3

jdhg3875jdfsgfd
sjdhfdbfjds
347674657435
-|

Answer 1

A one liner, no programming. (except the regexp etc.)

csplit --digits=2  --quiet --prefix=outfile infile "/-|/+1" "{*}"

---

tested on: csplit (GNU coreutils) 8.30

Notes about usage on Apple Mac

"For OS X users, note that the version of csplit that comes with the OS doesn't work. You'll want the version in coreutils (installable via Homebrew), which is called gcsplit." — @Danial

"Just to add, you can get the version for OS X to work (at least with High Sierra). You just need to tweak the args a bit csplit -k -f=outfile infile "/-|/+1" "{3}". Features that don't seem to work are the "{*}", I had to be specific on the number of separators, and needed to add -k to avoid it deleting all outfiles if it can't find a final separator. Also if you want --digits, you need to use -n instead." — @Pebbl