Bash coprocesses
Last update
2019-07-25
2019-07-25
«control async process stdin/stdout simultaneously»
A coprocess is executed asynchronously in a subshell with a two-way pipe established between the executing shell and the coprocess.
Esample: redirect netcat stdout ${COPROC[0]} to bash stdin, and bash stdout to netcat stdin ${COPROC[1]}
1 2 | coproc netcat -l -p 1234 exec bash <&${COPROC[0]} >&${COPROC[1]} 2>&1 |
Source: stackexchange, gnu.org
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