mirror of
https://github.com/thegeeklab/retry.git
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99 lines
2.2 KiB
Markdown
99 lines
2.2 KiB
Markdown
retryit - The command line retry tool
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Retry any shell command with exponential backoff or constant delay.
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### Instructions
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Install:
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`gem install retryit`
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### Usage
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Help:
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`retry -?`
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Usage: retry [options] [-f fail_script +commands] -e execute command
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-h, -?, --help
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-f Execute fail script after all retries are exhausted
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-t, --tries=# Set max retries: Default 10
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-s, --sleep=secs Constant sleep amount (seconds)
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-m, --min=secs Exponenetial Backoff: minimum sleep amount (seconds): Default 0.3
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-x, --max=secs Exponenetial Backoff: maximum sleep amount (seconds): Default 60
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### Examples
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No problem:
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`retry echo u work good`
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u work good
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Test functionality:
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`retry 'echo "y u no work"; false'`
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y u no work
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Before retry #1: sleeping 0.3 seconds
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y u no work
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Before retry #2: sleeping 0.6 seconds
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y u no work
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Before retry #3: sleeping 1.2 seconds
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y u no work
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Before retry #4: sleeping 2.4 seconds
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y u no work
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Before retry #5: sleeping 4.8 seconds
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y u no work
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Before retry #6: sleeping 9.6 seconds
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y u no work
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Before retry #7: sleeping 19.2 seconds
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y u no work
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Before retry #8: sleeping 38.4 seconds
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y u no work
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Before retry #9: sleeping 60.0 seconds
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y u no work
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Before retry #10: sleeping 60.0 seconds
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y u no work
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etc..
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Limit retries:
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`retry -t 4 -e 'echo "y u no work"; false'`
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y u no work
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Before retry #1: sleeping 0.3 seconds
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y u no work
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Before retry #2: sleeping 0.6 seconds
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y u no work
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Before retry #3: sleeping 1.2 seconds
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y u no work
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Before retry #4: sleeping 2.4 seconds
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y u no work
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Retries exhausted
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Bad command:
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`retry poop`
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Command Failed: poop
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Fail command:
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`retry -t 3 -f echo "oh poopsickles" -e 'echo "y u no work"; false'`
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y u no work
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Before retry #1: sleeping 0.3 seconds
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y u no work
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Before retry #2: sleeping 0.6 seconds
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y u no work
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Before retry #3: sleeping 1.2 seconds
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y u no work
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Retries exhausted, running fail script
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oh poopsickles
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### License
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Apache 2.0 - go nuts
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