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Moved to network fd 4 to avoid random crashes on macs

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Luxferre
2023-03-29 21:32:53 +03:00
parent 754da05687
commit 44c49099f1
1 changed files with 5 additions and 5 deletions
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bopher-ng.sh
+5 -5
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@@ -66,14 +66,14 @@ trap clear_term INT
# fetch any Gopher resource
gophetch() { # args: host, port, selector[, input]
exec 3<>/dev/tcp/$1/$2 # bind the descriptor 3 to a /dev/tcp pseudo-device
exec 4<>/dev/tcp/$1/$2 # bind the descriptor 3 to a /dev/tcp pseudo-device
if [[ -z "$4" ]]; then
printf '%s\r\n' "$3" >&3 # send the selector string (printf is more reliable)
printf '%s\r\n' "$3" >&4 # send the selector string (printf is more reliable)
else
printf '%s\t%s\r\n' "$3" "$4" >&3 # send the selector + tab + input string
printf '%s\t%s\r\n' "$3" "$4" >&4 # send the selector + tab + input string
fi
cat <&3 # fetch and output the result (we have to use cat as the result may be binary)
exec 3<&- # close the descriptor to make it reusable
cat <&4 # fetch and output the result (we have to use cat as the result may be binary)
exec 4<&- # close the descriptor to make it reusable
}
# parse a single Gophermap line according to the current host and port