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i write bash file to do a certain event .... now i want to creat log file to record date of executing bash file and result of execute it "exit code" ??

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up vote 2 down vote accepted
echo "[$(date +%c)] Process exited with result code: $?" >> /var/log/something.log

Feel free to change +%c with something else appropriate. See the date(1) man page for details.

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