How to replace lines in a file via terminal?

I

Ilya Beloborodov2015-12-29 17:43:53

linux

Ilya Beloborodov, 2015-12-29 17:43:53

There is a text file weighing 750mb. Is it possible to replace the word utf8mb4_unicode_ci with utf8_general_ci in this file through the terminal ?
Tried with a text editor. Everything lags

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2 answer(s)

A

alexxandr, 2015-12-29
@alexxandr

sed -i 's/utf8mb4_unicode_ci/utf8_general_ci/g' /path/to/file

F

falsebyte, 2015-12-29
@falsebyte

perl -i -pe 's/utf8mb4_unicode_ci/utf8_general_ci/;' insider_2015-12-29.sql