Can you explain what this script means?
2<<< hello <&2 cat
If I run this shell script, it spits hello. But cannot understand what it means.
Can you please explain one by one?
Many thanks.
1 Answers
see https://www.gnu.org/software/bash/manual/bash.html 3.6.7 and 3.6.8
2<<< helloputs a stringhelloto stderr;<&2redirect stderr to stdincatis a program which receive the stringhellofrom stdin and print out
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