tee command
Split program output to console and to a file
Basic usage
$ command | tee out_file.txt
Appending to the output file using -a
$ command | tee -a out_file.txt
Redirecting stderr and stdout
$ command |& tee -a out_file.txt
Example
$ ls |& tee -a out_file.txt
Notes
- |& is shorthand for 2>&1
References
- http://stackoverflow.com/questions/418896/how-to-redirect-output-to-a-file-and-stdout
- http://www.gnu.org/software/bash/manual/bashref.html#Pipelines
