fix empty delim case #23

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1 error and 9 warnings

Process completed with exit code 1.

icu4c 74.2 is already installed and up-to-date. To reinstall 74.2, run: brew reinstall icu4c

libevent 2.1.12_1 is already installed and up-to-date. To reinstall 2.1.12_1, run: brew reinstall libevent

libsodium 1.0.20 is already installed and up-to-date. To reinstall 1.0.20, run: brew reinstall libsodium

lz4 1.9.4 is already installed and up-to-date. To reinstall 1.9.4, run: brew reinstall lz4

lzo 2.10 is already installed and up-to-date. To reinstall 2.10, run: brew reinstall lzo

openssl@3 3.3.1 is already installed and up-to-date. To reinstall 3.3.1, run: brew reinstall openssl@3

xz 5.4.6 is already installed and up-to-date. To reinstall 5.4.6, run: brew reinstall xz

zstd 1.5.6 is already installed and up-to-date. To reinstall 1.5.6, run: brew reinstall zstd

HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK is set: not checking for outdated dependents or dependents with broken linkage!