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thomasfaingnaert/wrap-executable-wrap.md

Created July 5, 2019 09:19
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Wrap executable and write stdout and stderr to file
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wrap-executable-wrap.md

Without timestamps:

#!/usr/bin/env bash

exec > >(tee -ai ~/app-stdout.log) 2> >(tee -ai ~/app-stderr.log >&2)
app $*

With timestamps (requires ts from moreutils):

#!/usr/bin/env bash

exec > >(tee >(ts '[%Y-%m-%d %H:%M:%S]' >>~/app-stdout.log)) \
    2> >(tee >(ts '[%Y-%m-%d %H:%M:%S]' >>~/app-stderr.log) >&2)
app $*
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