[英]Inserting lines in a multiline command using a for loop in a bash script
我有一個 bash 腳本,它多次執行多行命令,並且我在每次迭代時更改一些值。 這是我的代碼如下:
for (( peer=1; peer<=$nodesNum;peer++ ))
do
echo "Starting peer $peer"
nodeos -p eosio -d /eosio_data/node$peer --config-dir /eosio_data/node$peer --http-server-address=127.0.0.1:$http \
--p2p-listen-endpoint=127.0.0.1:$p2p --access-control-allow-origin=* \
-p "user$peer" --http-validate-host=false --signature-provider=EOS6MRyAjQq8ud7hVNYcfnVPJqcVpscN5So8BhtHuGYqET5GDW5CV=KEY:5KQwrPbwdL6PhXujxW37FSSQZ1JiwsST4cqQzDeyXtP79zkvFD3 \
--max-transaction-time=1000 --genesis-json /eosio_data/genesis.json --wasm-runtime=wabt --max-clients=2000 -e \
--plugin eosio::chain_plugin --plugin eosio::producer_plugin --plugin eosio::producer_api_plugin \
--plugin eosio::chain_api_plugin \
--p2p-peer-address localhost:8888 \
&>eosio_data/logs/nodeos_stderr$p2p.log & \
sleep 1
http=$((http+1))
p2p=$((p2p+1))
done
作為多行命令的一部分,我需要為每個對等點多次添加 --p2p-peer-address localhost:$((9010 + $peer)) 命令。 我剛接觸 bash 腳本,但找不到類似的例子。
您需要什么並不完全清楚,但我認為它類似於以下內容。 創建了一組--p2p-peer-address
選項,然后合並到更大的公共選項集中。 除了通用選項之外,對nodeos
每次調用都有一些特定於對等的選項。
# for example
HTTP_BASE=8080
P2P_BASE=12345
# Set of --p2p-peer-address options for shared by all calls.
for ((peer=1; peer <= $nodesNum; peer++)); do
peer_args+=(
--p2p-peer-address
localhost:$((9010+$peer))
)
done
# These are the same for all calls
fixed_args=(
-p eosio
"--access-control-allow-origin=*"
--http-validate-host=false
--signature-provider=EOS6MRyAjQq8ud7hVNYcfnVPJqcVpscN5So8BhtHuGYqET5GDW5CV=KEY:5KQwrPbwdL6PhXujxW37FSSQZ1JiwsST4cqQzDeyXtP79zkvFD3
--max-transaction-time=1000
--genesis-json /eosio_data/genesis.json
--wasm-runtime=wabt
--max-clients=2000
-e
--plugin eosio::chain_plugin
--plugin eosio::producer_plugin
--plugin eosio::producer_api_plugin
--plugin eosio::chain_api_plugin
--p2p-peer-address localhost:8888
"${peer_args[@]}"
)
for ((peer=1; peer<=$nodesNum; peer++)); do
# Call-specific arguments, followed by common arguments.
# $peer is either incorporated into each argument value
nodeos -d /eosio_data/node$peer \
--config-dir /eosio_data/node$peer \
--http-server-address=127.0.0.1:$((HTTP_BASE + $peer)) \
--p2p-listen-endpoint=127.0.0.1:$((P2P_BASE + $peer)) \
-p "user$peer" \
"${fixed_args[@]}" \
&> eosio_data/logs/nodeos_stderr$((P2P_BASE + $peer)).log &
sleep 1
done
為了避免nodeos
每個實例nodeos
嘗試連接到自身,請在循環的每次迭代中重新構建peer_args
。 刪除"${peer_args[@]}"
從定義fixed_args
,然后調整主循環如下所示:
for ((peer=1; peer <= $nodesNum; peer++)); do
peer_args=()
for ((neighbor=1; neighbor <= $nodesNum; neighbor++)); do
(( neighbor == peer )) && continue
peer_args+=( --p2p-peer-address localhost:$((9010+peer)) )
done
nodeos -d /eosio_data/node$peer \
--config-dir /eosio_data/node$peer \
--http-server-address=127.0.0.1:$((HTTP_BASE + $peer)) \
--p2p-listen-endpoint=127.0.0.1:$((P2P_BASE + $peer)) \
-p "user$peer" \
"${fixed_args[@]}" \
"${peer_args[@]}" \
&> eosio_data/logs/nodeos_stderr$((P2P_BASE + $peer)).log &
sleep 1
done
我認為你非常接近。 您編寫的表達式--p2p-peer-address localhost:$((9010 + $peer))
可以插入到您的 nodeos 調用中,如下所示:
for (( peer=1; peer<=$nodesNum;peer++ ))
do
echo "Starting peer $peer"
nodeos -p eosio -d /eosio_data/node$peer \
--config-dir /eosio_data/node$peer \
--http-server-address=127.0.0.1:$http \
--p2p-listen-endpoint=127.0.0.1:$p2p \
--access-control-allow-origin=* \
-p "user$peer" \
--http-validate-host=false \
--signature-provider=EOS6MRyAjQq8ud7hVNYcfnVPJqcVpscN5So8BhtHuGYqET5GDW5CV=KEY:5KQwrPbwdL6PhXujxW37FSSQZ1JiwsST4cqQzDeyXtP79zkvFD3 \
--max-transaction-time=1000 --genesis-json /eosio_data/genesis.json --wasm-runtime=wabt --max-clients=2000 -e \
--plugin eosio::chain_plugin --plugin eosio::producer_plugin --plugin eosio::producer_api_plugin \
--plugin eosio::chain_api_plugin \
--p2p-peer-address localhost:$((9010 + $peer)) &>eosio_data/logs/nodeos_stderr$p2p.log &
sleep 1
http=$((http+1))
p2p=$((p2p+1))
done
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