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Top Forums Shell Programming and Scripting POSIX redirect file descriptor to subshell Post 302944101 by Iamnotthere on Friday 15th of May 2015 12:02:34 PM
Old 05-15-2015
What I want to do, since it did not seem to be obvious, is to redirect the output of a whole script from within.

Code:
exec > >(tee out.log)

redirects stdout to tee, which then splits it beween stdout and the file.
 

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TEE(1)								   User Commands							    TEE(1)

NAME
tee - read from standard input and write to standard output and files SYNOPSIS
tee [OPTION]... [FILE]... DESCRIPTION
Copy standard input to each FILE, and also to standard output. -a, --append append to the given FILEs, do not overwrite -i, --ignore-interrupts ignore interrupt signals -p diagnose errors writing to non pipes --output-error[=MODE] set behavior on write error. See MODE below --help display this help and exit --version output version information and exit MODE determines behavior with write errors on the outputs: 'warn' diagnose errors writing to any output 'warn-nopipe' diagnose errors writing to any output not a pipe 'exit' exit on error writing to any output 'exit-nopipe' exit on error writing to any output not a pipe The default MODE for the -p option is 'warn-nopipe'. The default operation when --output-error is not specified, is to exit immediately on error writing to a pipe, and diagnose errors writing to non pipe outputs. AUTHOR
Written by Mike Parker, Richard M. Stallman, and David MacKenzie. REPORTING BUGS
GNU coreutils online help: <http://www.gnu.org/software/coreutils/> Report tee translation bugs to <http://translationproject.org/team/> COPYRIGHT
Copyright (C) 2017 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>. This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. SEE ALSO
Full documentation at: <http://www.gnu.org/software/coreutils/tee> or available locally via: info '(coreutils) tee invocation' GNU coreutils 8.28 January 2018 TEE(1)
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