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openvpn/templates/iiab-support: Explain code paths/mechanics

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A Holt 2021-08-19 19:55:17 -04:00 • committed by GitHub
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roles/openvpn/templates/iiab-support
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@ -46,6 +46,7 @@ if $($DEBUG); then
echo "Your OpenVPN machine name -- source: $handle"
fi
# Preview of steps (5) and (6)
echo -ne "\e[1mYour OpenVPN machine name is set to: \e[100m"
echo -n "$handle" | sed "s/^\(['\"]\)\(.*\)\1$/\2/; s/ /_/g" # Avoid '-e' interpreting backlash escapes, to show var accurately! Double quote var to prevent field splitting (eats spaces)
echo -e "\e[0m\n" # Separate line also for trailing backslash in var
@ -81,7 +82,7 @@ else
# (3) sed: Strip '# comment' on right.
ans=$(echo "$ans" | sed "s/#.*//") # Double quote var to prevent field splitting (eats spaces)
# (4) sed: Strip any outer spacing, as Ansible would do.
ans=$(echo "$ans" | sed "s/^\s*//; s/\s*$//")
ans=$(echo "$ans" | sed "s/^\s*//; s/\s*$//") # Code Safety: lstrip not nec, given "read" command above, but one day $ans might arise from elsewhere
handle=$ans; # For display at bottom
fi