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16 lines
605 B
Plaintext
16 lines
605 B
Plaintext
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#!/usr/bin/env bash
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# setup fd-3 to point to the original stdout
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exec 3>&1
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# setup fd-4 to point to the original stderr
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exec 4>&2
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# get the prefix from SUPERVISOR_PROCESS_NAME environement variable
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printf -v PREFIX "%-14.14s" ${SUPERVISOR_PROCESS_NAME}
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# reassign stdout and stderr to a preprocessed and redirected to the original stdout/stderr (3 and 4) we have create eralier
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exec 1> >( perl -ne '$| = 1; print "'"${PREFIX}"' | $_"' >&3)
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exec 2> >( perl -ne '$| = 1; print "'"${PREFIX}"' | $_"' >&4)
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# from here on everthing that outputs to stdout/stderr will be go through the perl script
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exec "$@"
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