Output to standard out AND a file at the same time

September 30, 2013

Let’s say you’re running a script, and you want the output to show up in the terminal and be output to a file simultaneously. This is how to do that:

<your-command-here> | tee <output-file>


./myscript.sh | tee out.txt
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Automation: For loops in bash (for loops on the command line)

September 23, 2013

If you have to run a script that processes data for a particular file for a particular day, i.e. your file is on hadoop with the date in the path, like this:


And you have multiple days to process, don’t run them manually. Use a for loop instead:

for day in {19..22}
  ./my_script.sh 2013/09/$day
#command line

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