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Aquarius Power
Asked: 2013-07-17 18:47:44 +0800 CST

how to redirect output to a log file without tee? normal redirection is not working

  • 772

why not use tee? because the terminal rendering of the output makes the application run slower.

for some reason, this is not working:

application 2>&1 >"$logFile"

the output keeps going to terminal..

command-line

1 Answers

  1. Best Answer

    You have redirected stderr to stdout (the terminal), then you've redirected stdout to a file. In conclusion, you haven't redirected stderr to the file:

    1. stderr -> stdout, stderr goes to the terminal.
    2. stdout -> $logfile, stdout goes to the $logfile.

    Try using the following:

    application >"$logfile" 2>&1

    Notice the order matters:

    1. stdout -> $logfile, stdout goes to $logfile.
    2. stderr -> stdout -> $logfile, stderr goes to stdout which is the same as $logfile.
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