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Field Notes of a Command Line Ninja Rustam Mehmandarov Riga Dev Day

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Agenda Intorduction History Expansions/Shorthand Useful cmd Example IRL

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History http://xkcd.com/149/

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History sudo !! http://xkcd.com/149/

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Expansion, Alias …

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Useful commands

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Examples IRL

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Summon power of the gods? ls –o –t –r –h or ls –thor

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Top 10 commands used history | awk 'BEGIN {FS="[ \t]+|\\|"} {print $3}' | sort | uniq -c | sort - nr | head

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Magic 1. svn log -r : > svn_log.txt 2. cat svn_log.txt | grep Jira# | sed -r s/Jira#:[[:space:]]// | sort | uniq > jira_saker.txt

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More magic! 1. cd takeoff/rotate/up/stop/land 2. echo $_ | awk 'BEGIN {FS="/"}{print $1"();", $2"();", $3"();", $4"();", $5"();"}' >> fun.js && node fun.js

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Thank you! rmehmandarov [email protected]

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