Shell yesterday’s date

The date command in SH is pretty powerful. Here’s you can get yesterday’s date - something I find myself doing frequently for things like get data from an API for the last day, etc.

$ date +%Y-%m-%d --date=yesterday
2014-02-05
 
2
Kudos
 
2
Kudos

Now read this

Streaming data to Hadoop using Unix Pipes? Use Pipefail

If you pipe the output of a statement to hadoop streaming you must know about the unix pipefail option. To demonstrate what it does, try this out in your commandline: $> true | false $> echo $? 1 $> false | true $> echo $? 0... Continue →