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Zsh has an ingenious feature that automatically prints timing statistics for commands taking longer than $REPORTTIME to execute. Think of it as automatically executing a pipeline through time as needed.

From the Zsh Manual:

    If nonzero, commands whose combined user and system execution times
    (measured in seconds) are greater than this value have timing statistics
    printed for them.

Does there exist a similar feature, or set of scripts that enables similar behaviour, for Bash?

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One clever hack is mentioned in this thread. Another way is to use something like zsh's preexec. – Gilles Aug 14 '10 at 11:25
up vote 4 down vote accepted

I have an implementation of it, here:

Clone the Git repo, and simply source the reporttime.bash script. Also allows you to put the timing components into your Bash prompt directly, instead of having it reported on a separate line.

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