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        "author": "Chris Brinker",
        "author_email": "chris.brinker@gmail.com",
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        "description": "=======\r\nmultido\r\n=======\r\n\r\nmultido provides a simple command line utility for easily running \r\na shell command multiple times in parallel. One of the most useful \r\nexamples generally works like this:: \r\n\r\n    $ multido \"ssh %s uptime\" host1 host2 host3\r\n    host1: 22:02:28 up 5 days,  2:52,  0 users,  load average: 0.05, 0.04, 0.05\r\n    host2: 22:02:27 up 5 days, 24 min,  0 users,  load average: 0.05, 0.03, 0.05\r\n    host3: 22:02:28 up 6 days, 48 min,  0 users,  load average: 0.01, 0.02, 0.05\r\n\r\nUnlike say, xargs -P, multido will not just give up if there is a problem\r\nwith one of the commands, instead it will output the STDERR to STDERR with the \r\nRC prepended to each line::\r\n\r\n    $ multido \"ls /etc/%s\" passwd missing sudoers\r\n    passwd: /etc/passwd\r\n    missing: RC1: ls: /etc/missing: No such file or directory\r\n    sudoers: /etc/sudoers\r\n\r\nmultido also accepts stdin from a pipe too, making for easy to chain\r\ncommands::\r\n\r\n    $ echo -e \"host1\\nhost2\\nhost3\" | multido \"ssh %s date\"\r\n    host1: Mon Sep 17 22:08:40 UTC 2012\r\n    host2: Mon Sep 17 22:08:40 UTC 2012\r\n    host3: Mon Sep 17 22:08:40 UTC 2012\r\n\r\nIf you have a preferred grouping you would like the commands to be executed in\r\nthere is a syntax to support grouping::\r\n\r\n    $ multido \"echo %s; sleep 1\" [ 'b1a' 'b1b' ] [ 'b2' ] [ 'b3a' 'b3b' 'b3c' ]     \r\n    b1a: b1a\r\n    b1b: b1b\r\n    b2: b2\r\n    b3a: b3a\r\n    b3b: b3b\r\n    b3c: b3c\r\n\r\nOr if you just want to limit to batches of N at a time there is syntax \r\navailable to achieve that::\r\n\r\n    $ N=2; multido -P$N \"echo %s; sleep 1\" a b c\r\n    a: a\r\n    b: b\r\n    c: c",
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        "summary": "Useful utility to easily run a command in parallel and understand any failures that may have occurred",
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