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#!/bin/sh
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# Transforms a map spreadsheet to use a different root, using a connecting root
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# that links the input and output roots together
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selfDir="$(dirname -- "$0")"
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6
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if test -z "${left_connect+t}" -o -z "${right_connect+t}"; then
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echo "Usage: env ch_root_opts... left_connect=... right_connect=... $0 \
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<in_map >out_map" >&2
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exit 2
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fi
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12
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env \
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left_out_root="$left_connect" \
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right_out_root="$right_connect" \
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"$selfDir/ch_root"\
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|env \
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left_in_root="$left_out_root" \
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right_in_root="$right_out_root" \
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"$selfDir/ch_root"
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# replace the root with the connector, and then re-root as the out_root
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