“Bash: труб” Ответ

Bash: труб

# Redirecting stderr to stdout
# To redirect stderr to stdout and have error messages sent to the same file
# as standard output, use the following:


command > file 2>&1
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# the command above redirect the stdout to file,
# and 2>&1 redirect the stderr to the current location of stdout.

# The order of redirection is important.
# For example, the following example redirects only stdout to file.
# This happens because the stderr is redirected to stdout before the
# stdout was redirected to file.

command 2>&1 > file 

# Another way to redirect stderr to stdout is to use the &> construct.
# In Bash &> has the same meaning as 2>&1: