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contrib/plugins: cowsay

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___________________________________________________________________________
/ The most important plugin. Ever. Much thanks to @practicalswift and @jb55 \
\ for their improvements!                                                   /
 ---------------------------------------------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2019-08-22 11:06:03 +09:30
parent 0ec8304901
commit c2f58aec9d
1 changed files with 37 additions and 0 deletions
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37
contrib/plugins/cowsay.sh Executable file
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@ -0,0 +1,37 @@
#! /bin/sh
maybe_cowsay()
{
cowsay || cat <<EOF
_________________________________
< Please install 'cowsay' program >
---------------------------------
\\ ^__^
\\ (xx)\\_______
(__)\\ )\\/\\
U ||----w |
|| ||
EOF
}
# Eg. {"jsonrpc":"2.0","id":2,"method":"getmanifest","params":{}}\n\n
read -r JSON
read -r _
id=$(echo "$JSON" | sed 's/.*"id" *: *\([0-9]*\),.*/\1/')
echo '{"jsonrpc":"2.0","id":'"$id"',"result":{"dynamic":true,"options":[],"rpcmethods":[{"name":"cowsay","usage":"<string>","description":"Have a cow, man!"}]}}'
# Eg. {"jsonrpc":"2.0","id":5,"method":"init","params":{"options":{},"configuration":{"lightning-dir":"/home/rusty/.lightning","rpc-file":"lightning-rpc","startup":false}}}\n\n
read -r JSON
read -r _
# eg. { "jsonrpc" : "2.0", "method" : "cowsay", "id" : 6, "params" :[ "hello"] }
while read -r JSON; do
read -r _
id=$(echo "$JSON" | sed 's/.*"id" *: *\([0-9]*\),.*/\1/')
params=$(echo "$JSON" | sed 's/.*"params" *: *//' | tr -d '[{}]"')
echo '{"jsonrpc":"2.0","id":'"$id"',"result":{"format-hint":"simple","cowsay":"'
# FIXME: lightning-cli does not unescape \\, so we replace with an L.
printf "%s" "$params" | maybe_cowsay | sed 's/\\/L/g' | sed ':a;N;$!ba;s/\n/\\n/g' | tr '\012' '"'
echo '}}'
done