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Match variable space in duplicate detection.
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hosts
2
hosts
@ -695,7 +695,7 @@ add() {
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exit 1
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elif grep \
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-e "^${_ip}[[:space:]]\+${_hostname}$" \
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-e "^${_ip}[[:space:]]\+${_hostname}\\t.*$" "${HOSTS_PATH}"
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-e "^${_ip}[[:space:]]\+${_hostname}[[:space:]]\+.*$" "${HOSTS_PATH}"
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then
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_die printf \
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"Duplicate address/host combination, %s unchanged.\\n" \
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