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Results tagged with bash
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user 4290
Questions specific to GNU’s Bourne Again SHell, as opposed to other Bourne/POSIX shells. For questions about Unix shells in general, use the /shell tag instead. For shell scripts with errors/syntax errors, please check them with the shellcheck program (or in the web shellcheck server at https://shellcheck.net) before posting here.
41
votes
2
answers
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File descriptors & shell scripting
/bin/bash
exec 5 > /tmp/foo
exec 6 < /tmp/bar
cat <&6 | while read a
do
echo $a >&5
done
As i understand &5 closes the fd, so how is the output still being re-directed successfully after each …