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lang-bash
head -1 logfile.txt | od -cto the question?RAW_MILLI_SECONDS="$(<<< "$ONE_LINE" tr -s ' ' ' ' | cut -d' ' -f11)"it works well for me in Lubuntu 18.04.x LTS. Are there invisible characters in the file, that are not transmitted via your snippet in the edited question? MacOS is not linux, and some command may act in a different way from what we (linux users) expect.