OutputCollectors.jl
This package lets you capture subprocess stdout and stderr streams
independently, resynthesizing and colorizing the streams appropriately.
Installation
OutputCollectors.jl can be installed with Julia built-in package
manager. In a Julia session, after
entering the package manager mode with ], run the command
add OutputCollectors.jl
Usage
julia> using OutputCollectors
julia> script = """
#!/bin/sh
echo 1
sleep 1
echo 2 >&2
sleep 1
echo 3
sleep 1
echo 4
"""
"#!/bin/sh\necho 1\nsleep 1\necho 2 >&2\nsleep 1\necho 3\nsleep 1\necho 4\n"
julia> oc = OutputCollector(`sh -c $script`; verbose = true);
julia> [22:42:30] 1
[22:42:31] 2
[22:42:32] 3
[22:42:33] 4
julia>
julia> merge(oc)
"1\n2\n3\n4\n"
julia> merge(oc; colored = true)
"1\n\e[31m2\n\e[39m3\n4\n"
julia> tail(oc; len = 2)
"3\n4\n"
julia> collect_stdout(oc)
"1\n3\n4\n"
julia> collect_stderr(oc)
"2\n"