mirror of
https://github.com/octoleo/hosts.git
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Use explicit escaping for backslashes in all contexts.
ShellCheck SC1117 https://github.com/koalaman/shellcheck/wiki/SC1117
This commit is contained in:
William Melody
parent
80edd464b6
commit
746780fbbe
76
hosts
76
hosts
@ -596,9 +596,9 @@ help() {
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cat <<HEREDOC
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__ __
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/ /_ ____ _____/ /______
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/ __ \/ __ \/ ___/ __/ ___/
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/ __ \\/ __ \\/ ___/ __/ ___/
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/ / / / /_/ (__ ) /_(__ )
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/_/ /_/\____/____/\__/____/
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/_/ /_/\\____/____/\\__/____/
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A program for managing host file entries.
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@ -715,8 +715,8 @@ add() {
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${_ME} help add
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exit 1
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elif grep \
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-e "^${ip}\t${hostname}$" \
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-e "^${ip}\t${hostname}\t.*$" "${HOSTS_PATH}"
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-e "^${ip}\\t${hostname}$" \
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-e "^${ip}\\t${hostname}\\t.*$" "${HOSTS_PATH}"
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then
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_die printf \
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"Duplicate address/host combination, %s unchanged.\\n" \
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@ -726,19 +726,19 @@ add() {
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then
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local formatted_comment
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formatted_comment=$(_join " " "${comment[@]}")
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printf "%s\t%s\t# %s\\n" \
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printf "%s\\t%s\\t# %s\\n" \
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"${ip}" \
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"${hostname}" \
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"${formatted_comment}" >> "${HOSTS_PATH}"
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printf "Added:\\n%s\t%s\t# %s\\n" \
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printf "Added:\\n%s\\t%s\\t# %s\\n" \
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"${ip}" \
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"${hostname}" \
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"${formatted_comment}"
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else
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printf "%s\t%s\\n" \
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printf "%s\\t%s\\n" \
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"${ip}" \
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"${hostname}" >> "${HOSTS_PATH}"
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printf "Added:\\n%s\t%s\\n" \
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printf "Added:\\n%s\\t%s\\n" \
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"${ip}" \
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"${hostname}"
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fi
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@ -789,9 +789,9 @@ disable() {
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else
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_debug printf "disable() \${search_string}: %s\\n" "${search_string}"
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target_regex_ip="^\(${search_string}[${_TAB_SPACE_}]..*\)$"
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target_regex_commented_hostname="^\([^#]..*[${_TAB_SPACE_}]${search_string}[${_TAB_SPACE_}]..*\)$"
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target_regex_hostname="^\([^#]..*[${_TAB_SPACE_}]${search_string}\)$"
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target_regex_ip="^\\(${search_string}[${_TAB_SPACE_}]..*\\)$"
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target_regex_commented_hostname="^\\([^#]..*[${_TAB_SPACE_}]${search_string}[${_TAB_SPACE_}]..*\\)$"
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target_regex_hostname="^\\([^#]..*[${_TAB_SPACE_}]${search_string}\\)$"
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# Regular Expression Notes
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#
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@ -800,9 +800,9 @@ disable() {
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local targets
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targets=$(
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sed -n \
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-e "s/${target_regex_ip}/\1/p" \
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-e "s/${target_regex_commented_hostname}/\1/p" \
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-e "s/${target_regex_hostname}/\1/p" \
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-e "s/${target_regex_ip}/\\1/p" \
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-e "s/${target_regex_commented_hostname}/\\1/p" \
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-e "s/${target_regex_hostname}/\\1/p" \
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"${HOSTS_PATH}"
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)
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_debug printf "disable() \${targets}: %s\\n" "${targets}"
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@ -816,9 +816,9 @@ disable() {
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# -i '' - in place edit. BSD sed requires extension argument, for GNU
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# it's optional. More info: http://stackoverflow.com/a/16746032
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sed -i '' \
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-e "s/${target_regex_ip}/\#disabled: \1/g" \
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-e "s/${target_regex_commented_hostname}/\#disabled: \1/g" \
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-e "s/${target_regex_hostname}/\#disabled: \1/g" \
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-e "s/${target_regex_ip}/\\#disabled: \\1/g" \
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-e "s/${target_regex_commented_hostname}/\\#disabled: \\1/g" \
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-e "s/${target_regex_hostname}/\\#disabled: \\1/g" \
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"${HOSTS_PATH}"
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fi
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}
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@ -875,9 +875,9 @@ enable() {
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else
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_debug printf "enable() \${search_string}: %s\\n" "${search_string}"
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target_regex_ip="^\#disabled: \(${search_string}[${_TAB_SPACE_}]..*\)$"
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target_regex_commented_hostname="^\#disabled: \(..*[${_TAB_SPACE_}]${search_string}[${_TAB_SPACE_}]..*\)$"
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target_regex_hostname="^\#disabled: \(..*[${_TAB_SPACE_}]${search_string}\)$"
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target_regex_ip="^\\#disabled: \\(${search_string}[${_TAB_SPACE_}]..*\\)$"
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target_regex_commented_hostname="^\\#disabled: \\(..*[${_TAB_SPACE_}]${search_string}[${_TAB_SPACE_}]..*\\)$"
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target_regex_hostname="^\\#disabled: \\(..*[${_TAB_SPACE_}]${search_string}\\)$"
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# Regular Expression Notes
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#
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@ -886,9 +886,9 @@ enable() {
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local targets
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targets=$(
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sed -n \
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-e "s/${target_regex_ip}/\1/p" \
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-e "s/${target_regex_commented_hostname}/\1/p" \
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-e "s/${target_regex_hostname}/\1/p" \
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-e "s/${target_regex_ip}/\\1/p" \
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-e "s/${target_regex_commented_hostname}/\\1/p" \
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-e "s/${target_regex_hostname}/\\1/p" \
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"${HOSTS_PATH}"
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)
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_debug printf "enable() \${targets}: %s\\n" "${targets}"
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@ -902,9 +902,9 @@ enable() {
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# -i '' - in place edit. BSD sed requires extension argument, for GNU
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# it's optional. More info: http://stackoverflow.com/a/16746032
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sed -i '' \
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-e "s/${target_regex_ip}/\1/g" \
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-e "s/${target_regex_commented_hostname}/\1/g" \
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-e "s/${target_regex_hostname}/\1/g" \
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-e "s/${target_regex_ip}/\\1/g" \
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-e "s/${target_regex_commented_hostname}/\\1/g" \
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-e "s/${target_regex_hostname}/\\1/g" \
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"${HOSTS_PATH}"
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fi
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}
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@ -950,7 +950,7 @@ list() {
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# Get the disabled records up front for the two cases where they are needed.
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local disabled_records
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disabled_records=$(
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sed -n "s/^\#disabled: \(.*\)$/\1/p" "${HOSTS_PATH}"
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sed -n "s/^\\#disabled: \\(.*\\)$/\\1/p" "${HOSTS_PATH}"
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)
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if [[ -n "${1}" ]]
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@ -1039,12 +1039,12 @@ remove() {
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# which apparently doesn't work properly with all versions of sed.
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#
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# IP / Hostname pair regular expressions:
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local target_regex_ip_hostname_commented="^\(${search_ip}[${_TAB_SPACE_}]*${search_hostname}[${_TAB_SPACE_}]..*\)$"
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local target_regex_ip_hostname="^\(${search_ip}[${_TAB_SPACE_}]*${search_hostname}\)$"
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local target_regex_ip_hostname_commented="^\\(${search_ip}[${_TAB_SPACE_}]*${search_hostname}[${_TAB_SPACE_}]..*\\)$"
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local target_regex_ip_hostname="^\\(${search_ip}[${_TAB_SPACE_}]*${search_hostname}\\)$"
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# Search string regular expressions:
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local target_regex_ip="^\(${search_string}[${_TAB_SPACE_}]..*\)$"
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local target_regex_commented_hostname="^\(..*[${_TAB_SPACE_}]${search_string}[${_TAB_SPACE_}]..*\)$"
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local target_regex_hostname="^\(..*[${_TAB_SPACE_}]${search_string}\)$"
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local target_regex_ip="^\\(${search_string}[${_TAB_SPACE_}]..*\\)$"
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local target_regex_commented_hostname="^\\(..*[${_TAB_SPACE_}]${search_string}[${_TAB_SPACE_}]..*\\)$"
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local target_regex_hostname="^\\(..*[${_TAB_SPACE_}]${search_string}\\)$"
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local target_records
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@ -1052,16 +1052,16 @@ remove() {
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then
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target_records=$(
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sed -n \
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-e "s/${target_regex_ip_hostname_commented}/\1/p" \
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-e "s/${target_regex_ip_hostname}/\1/p" \
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-e "s/${target_regex_ip_hostname_commented}/\\1/p" \
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-e "s/${target_regex_ip_hostname}/\\1/p" \
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"${HOSTS_PATH}"
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)
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else
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target_records=$(
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sed -n \
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-e "s/${target_regex_ip}/\1/p" \
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-e "s/${target_regex_commented_hostname}/\1/p" \
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-e "s/${target_regex_hostname}/\1/p" \
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-e "s/${target_regex_ip}/\\1/p" \
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-e "s/${target_regex_commented_hostname}/\\1/p" \
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-e "s/${target_regex_hostname}/\\1/p" \
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"${HOSTS_PATH}"
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)
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fi
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@ -1143,7 +1143,7 @@ show() {
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# Run `sed` before `grep` to avoid conflict that supress `sed` output.
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local disabled_records
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disabled_records=$(
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sed -n "s/^\#\(disabled: .*${1}.*\)$/\1/p" "${HOSTS_PATH}"
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sed -n "s/^\\#\\(disabled: .*${1}.*\\)$/\\1/p" "${HOSTS_PATH}"
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)
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local enabled_records
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enabled_records=$(
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