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Fix: handle SSIDs that start with space(s) #23

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Fix: handle SSIDs that start with space(s) #23

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2 changes: 1 addition & 1 deletion wifi-password.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -58,7 +58,7 @@ if [ "" != "$args" ]; then
ssid="$@"
else
# get current ssid
ssid="`$airport -I | awk '/ SSID/ {print substr($0, index($0, $2))}'`"
ssid="`$airport -I | sed -n 's/^[[:space:]]*[[:space:]]SSID:[[:space:]]//p'`"
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huh? What's going on here?

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Alternate:

... | sed -En 's/^ +SSID: (.*)$/\1/p'

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That wouldn't handle tabs

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Tabs where? the airport doesn't print tabs AFAIK

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You never know. Developers do switch between spaces and tabs for alignment all the time. How will you know they won't switch down the road?

if [ "$ssid" = "" ]; then
echo "ERROR: Could not retrieve current SSID. Are you connected?" >&2
exit 1
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