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41 lines
1.3 KiB
ReStructuredText
41 lines
1.3 KiB
ReStructuredText
.. _cmd-time:
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time - measure how long a command or block takes
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================================================
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Synopsis
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--------
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::
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time COMMAND
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Description
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-----------
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``time`` causes fish to measure how long a command takes and print the results afterwards. The command can be a simple fish command or a block. The results can not currently be redirected.
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For checking timing after a command has completed, check :ref:`$CMD_DURATION <variables-special>`.
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Your system most likely also has a `time` command. To use that use something like `command time`, as in `command time sleep 10`. Because it's not inside fish, it won't have access to fish functions and won't be able to time blocks and such.
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Example
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-------
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(for obvious reasons exact results will vary on your system)
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::
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>_ time sleep 1s
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________________________________________________________
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Executed in 1,01 secs fish external
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usr time 2,32 millis 0,00 micros 2,32 millis
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sys time 0,88 millis 877,00 micros 0,00 millis
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>_ time for i in 1 2 3; sleep 1s; end
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________________________________________________________
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Executed in 3,01 secs fish external
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usr time 9,16 millis 2,94 millis 6,23 millis
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sys time 0,23 millis 0,00 millis 0,23 millis
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