Ability to read command output line by line in a loop #475
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gustavosbarreto
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NOTE: the command need to be executed in the background.
```
for line in `tail -f /tmp/log &` {
echo(line)
}
```
Also combines the stdout and stderr of executed command in the same
ouput, like native Go implementation of `cmd.CombinedOutput`.
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NOTE: the command need to be executed in the background.
Also combines the stdout and stderr of executed command in the same
ouput, like native Go implementation of
cmd.CombinedOutput.