FreeBSD MacOS Grep Spanning Multiple Lines

Asked Oct 14 '19 at 13:35

Active Oct 14 '19 at 13:35

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Using MacOS High Sierra, trying to using grep to extract the text between two "tags." Intended output should be "The Genre". Here's the .txt file:

<genre>
The Genre
</genre>

Here's the grep command that's not working:

genre=$(grep -o '(?<=<genre>).*?(=<\/genre>)' textfile.txt)

echo $genre

I am approaching this the wrong way for MacOS? All the commands I've seen with tags only support BNU or Linux variants. Help appreciated

asked Oct 14 '19 at 13:35

nwood21

If you use a PCRE regex use `grep` with `-P` option, or use `pcregrep` – Wiktor Stribiżew Oct 14 '19 at 13:36
(Being line-based) `grep` is not the tool for it. This is a good start: https://stackoverflow.com/questions/38972736/how-to-print-lines-between-two-patterns-inclusive-or-exclusive-in-sed-awk-or – James Brown Oct 14 '19 at 13:45
2

Can't use -P option with MacOS / BSD grep command. – nwood21 Oct 14 '19 at 13:45

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