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Filter duplicate ControlPath entries and skip all empty lines in config file #16

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Filter duplicate ControlPath entries and skip all empty lines in config file #16

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7 changes: 4 additions & 3 deletions cmc
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Original file line number Diff line number Diff line change
Expand Up @@ -72,15 +72,16 @@ config_control_path() {
# Extract ControlPath from SSH config
local _result _result_count
_result=$(awk \
'tolower($1) ~ /^controlpath$/ {
'/^ *#/ || /^ *$/{next}
tolower($1) ~ /^controlpath$/ {
if ( tolower($2) !~ /^none$/ ) {
print $2
}
}' ${SSH_CONFIG})
}' ${SSH_CONFIG} | sort -u)
if [[ -n "${_result}" ]]
then
# Only a single ControlPath should be specified
_result_count=$(echo "${_result}" | sort -u | wc -l)
_result_count=$(echo "${_result}" | wc -l)
if (( _result_count > 1 ))
then
error_exit "multiple ControlPaths specified: ${_result}"
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