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2>&1 linux pipe stderr, stdin, stdout

DreamCoder answered on June 1, 2022 Popularity 4/10 Helpfulness 6/10

answer 2>&1 linux pipe stderr, stdin, stdout

2>&1 linux pipe stderr, stdin, stdout

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echo test > afile.txt
#redirects stdout to afile.txt. This is the same as doing

echo test 1> afile.txt
#To redirect stderr, you do:

echo test 2> afile.txt
#So >& is the syntax to redirect a stream to another file descriptor:

0 is stdin
1 is stdout
2 is stderr

Popularity 4/10 Helpfulness 6/10 Language shell

Source: stackoverflow.com

Tags: linux pipe shell stdout

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