6fe2703665
* Remove `make updatedeps` from Travis build. We'll follow up with more specific plans around dependency updating in subsequent PRs. * Update all `make` targets to set `GO15VENDOREXPERIMENT=1` and to filter out `/vendor/` from `./...` where appropriate. * Temporarily remove `vet` from the `make test` target until we can figure out how to get it to not vet `vendor/`. (Initial experimentation failed to yield the proper incantation.) Everything is pinned to current master, with the exception of: * Azure/azure-sdk-for-go which is pinned before the breaking change today * aws/aws-sdk-go which is pinned to the most recent tag The documentation still needs to be updated, which we can do in a follow up PR. The goal here is to unblock release. |
||
---|---|---|
.. | ||
LICENSE | ||
README.md | ||
reader.go | ||
reader_test.go |
README.md
prefixedio
prefixedio
(Golang package: prefixedio
) is a package for Go
that takes an io.Reader
and de-multiplexes line-oriented data based
on a line prefix to a set of readers.
Installation and Usage
Install using go get github.com/mitchellh/prefixedio
.
Full documentation is available at http://godoc.org/github.com/mitchellh/prefixedio
Below is an example of its usage ignoring errors:
// Assume r is some set io.Reader. Perhaps a file, network, anything.
var r io.Reader
// Initialize the prefixed reader
pr, _ := prefixedio.NewReader(r)
// Grab readers for a couple prefixes
errR, _ := pr.Prefix("err: ")
outR, _ := pr.Prefix("out: ")
// Copy the data to different places based on the prefix
go io.Copy(os.Stderr, errR)
go io.Copy(os.Stdout, outR)