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log the output of the terminal

Coderunner answered on June 3, 2022 Popularity 6/10 Helpfulness 3/10

answer log the output of the terminal

log the output of the terminal

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# The table below show the common syntax for logging terminal in ubuntu 
#The numerals 0 through 9 are file descriptors in bash. 
#0 stands for standard input, 1 stands for standard output, 
#2 stands for standard error. The syntax follows the following examples:
mycommand |& tee output.txt
#The above, logs in both standard output and standard error to output.txt.
mycommand 2>stderr.log 1>stdout.log
#The above logs the standard error and standard output to different files.

|| visible in terminal ||   visible in file   || existing
  Syntax  ||  StdOut  |  StdErr  ||  StdOut  |  StdErr  ||   file   
==========++==========+==========++==========+==========++===========
    >     ||    no    |   yes    ||   yes    |    no    || overwrite
    >>    ||    no    |   yes    ||   yes    |    no    ||  append
          ||          |          ||          |          ||
   2>     ||   yes    |    no    ||    no    |   yes    || overwrite
   2>>    ||   yes    |    no    ||    no    |   yes    ||  append
          ||          |          ||          |          ||
   &>     ||    no    |    no    ||   yes    |   yes    || overwrite
   &>>    ||    no    |    no    ||   yes    |   yes    ||  append
          ||          |          ||          |          ||
 | tee    ||   yes    |   yes    ||   yes    |    no    || overwrite
 | tee -a ||   yes    |   yes    ||   yes    |    no    ||  append
          ||          |          ||          |          ||
 n.e. (*) ||   yes    |   yes    ||    no    |   yes    || overwrite
 n.e. (*) ||   yes    |   yes    ||    no    |   yes    ||  append
          ||          |          ||          |          ||
|& tee    ||   yes    |   yes    ||   yes    |   yes    || overwrite
|& tee -a ||   yes    |   yes    ||   yes    |   yes    ||  append

Popularity 6/10 Helpfulness 3/10 Language shell

Source: askubuntu.com

Tags: output shell terminal

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Contributed on Jun 03 2022

Coderunner

0 Answers Avg Quality 2/10

log the output of the terminal

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