Thread: timestamps in terminal output

i need prove did things in order when using terminal. example when calculating hashs of disk images have show image x done before y , z. there way print timestamp command line output?

if you'd time every command, might check bash's prompt_command shell variable.

put date command it. see date --help.

or perhaps write script prints date before each relevant command, e.g.:

code:

echo -n "`date --rfc-3339=ns` " ./hash_cmd disk1.img

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