bcx

# delete line 5-11 and 12
sed -i.bak -e '5,10d;12d' file    

# dumps out a line suitable for use in .ssh/authorized_keys
ssh-keygen -y -f .ssh/foo.pem

# what package owns this file?
dpkg-query -S /bin/bash

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select * from products_golden
where binary id_string != binary lower(id_string);

select * from product_variants
where binary id_string != binary lower(id_string);

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aws elasticache describe-replication-groups | jq -r '.ReplicationGroups[] |
select(.ReplicationGroupId=="redis-prod").NodeGroups[0].PrimaryEndpoint |
.Address,.Port' | paste -sd : -

redis-prod.foobar.zz.0001.usw2.cache.amazonaws.com:6379

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# Each `runN` file is a column of numbers. 
# `idx` is set to the length of the shortest run

idx <- 170  

r1 <- read.table('run1', colClasses="numeric")$V1[1:idx]
r2 <- read.table('run2', colClasses="numeric")$V1[1:idx]
r3 <- read.table('run3', colClasses="numeric")$V1[1:idx]

df <- data.frame(r1, r2, r3)