[alibaba/arthas]echo 与 base64 "|" 符号的支持

在arthas控制台中进行热更新需要最少3条命令,想通过"|"进行简化,结果发现不支持

原命令

# echo 'yv66vgAAADsASgoAAgADBwAEDAAFAAYBABBqYXZhL2xhbmcvT2JqZWN0AQAGPGluaXQ+AQADKClWCQAIAAkHAAoMAAsADAEAK2NvbS9leGFtcGxlL2RlbW8vYXJ0aGFzL3VzZXIvVXNlckNvbnRyb2xsZXIBAAZsb2dnZXIBABJMb3JnL3NsZjRqL0xvZ2dlcjsIAA4BAAZpZDoge30LABAAEQcAEgwAEwAUAQAQb3JnL3NsZjRqL0xvZ2dlcgEABGluZm8BACcoTGphdmEvbGFuZy9TdHJpbmc7TGphdmEvbGFuZy9PYmplY3Q7KVYKABYAFwcAGAwAGQAaAQARamF2YS9sYW5nL0ludGVnZXIBAAhpbnRWYWx1ZQEAAygpSQcAHAEAIWNvbS9leGFtcGxlL2RlbW8vYXJ0aGFzL3VzZXIvVXNlcggAHgEACHpoYW5nc2FuCgAbACAMAAUAIQEAFihJTGphdmEvbGFuZy9TdHJpbmc7KVYSAAAAIwwAJAAlAQAXbWFrZUNvbmNhdFdpdGhDb25zdGFudHMBACcoTGphdmEvbGFuZy9JbnRlZ2VyOylMamF2YS9sYW5nL1N0cmluZzsKACcAKAcAKQwAKgArAQAXb3JnL3NsZjRqL0xvZ2dlckZhY3RvcnkBAAlnZXRMb2dnZXIBACUoTGphdmEvbGFuZy9DbGFzczspTG9yZy9zbGY0ai9Mb2dnZXI7AQAEQ29kZQEAD0xpbmVOdW1iZXJUYWJsZQEADGZpbmRVc2VyQnlJZAEAOChMamF2YS9sYW5nL0ludGVnZXI7KUxjb20vZXhhbXBsZS9kZW1vL2FydGhhcy91c2VyL1VzZXI7AQANU3RhY2tNYXBUYWJsZQEAGVJ1bnRpbWVWaXNpYmxlQW5ub3RhdGlvbnMBADRMb3JnL3NwcmluZ2ZyYW1ld29yay93ZWIvYmluZC9hbm5vdGF0aW9uL0dldE1hcHBpbmc7AQAFdmFsdWUBAAovdXNlci97aWR9AQAiUnVudGltZVZpc2libGVQYXJhbWV0ZXJBbm5vdGF0aW9ucwEANkxvcmcvc3ByaW5nZnJhbWV3b3JrL3dlYi9iaW5kL2Fubm90YXRpb24vUGF0aFZhcmlhYmxlOwEACDxjbGluaXQ+AQAKU291cmNlRmlsZQEAE1VzZXJDb250cm9sbGVyLmphdmEBADhMb3JnL3NwcmluZ2ZyYW1ld29yay93ZWIvYmluZC9hbm5vdGF0aW9uL1Jlc3RDb250cm9sbGVyOwEAEEJvb3RzdHJhcE1ldGhvZHMPBgA9CgA+AD8HAEAMACQAQQEAJGphdmEvbGFuZy9pbnZva2UvU3RyaW5nQ29uY2F0RmFjdG9yeQEAmChMamF2YS9sYW5nL2ludm9rZS9NZXRob2RIYW5kbGVzJExvb2t1cDtMamF2YS9sYW5nL1N0cmluZztMamF2YS9sYW5nL2ludm9rZS9NZXRob2RUeXBlO0xqYXZhL2xhbmcvU3RyaW5nO1tMamF2YS9sYW5nL09iamVjdDspTGphdmEvbGFuZy9pbnZva2UvQ2FsbFNpdGU7CABDAQAFbmFtZQEBAAxJbm5lckNsYXNzZXMHAEYBACVqYXZhL2xhbmcvaW52b2tlL01ldGhvZEhhbmRsZXMkTG9va3VwBwBIAQAeamF2YS9sYW5nL2ludm9rZS9NZXRob2RIYW5kbGVzAQAGTG9va3VwACEACAACAAAAAQAaAAsADAAAAAMAAQAFAAYAAQAsAAAAHQABAAEAAAAFKrcAAbEAAAABAC0AAAAGAAEAAAAWAAEALgAvAAMALAAAAGQABAACAAAAN7IABxINK7kADwMAK8YAGSu2ABUEogARuwAbWSu2ABUSHbcAH7C7ABtZK7YAFSu6ACIAALcAH7AAAAACAC0AAAASAAQAAAAbAAsAHAAXAB0AJQAgADAAAAADAAElADEAAAAOAAEAMgABADNbAAFzADQANQAAAAcBAAEANgAAAAgANwAGAAEALAAAACEAAQAAAAAACRIIuAAmswAHsQAAAAEALQAAAAYAAQAAABcABAA4AAAAAgA5ADEAAAAGAAEAOgAAADsAAAAIAAEAPAABAEIARAAAAAoAAQBFAEcASQAZ' > hotswap.txt
# base64 -d -o hotswap.class hotswap.txt
# retransform hotswap.class

因为后面2段为固定字符,于是想简化为

# echo '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' > hotswap.txt  | base64 -d -o hotswap.class hotswap.txt | retransform hotswap.class

结果只执行了echo部分的代码,于是改为

# echo 'yv66vgAAADsASgoAAgADBwAEDAAFAAYBABBqYXZhL2xhbmcvT2JqZWN0AQAGPGluaXQ+AQADKClWCQAIAAkHAAoMAAsADAEAK2NvbS9leGFtcGxlL2RlbW8vYXJ0aGFzL3VzZXIvVXNlckNvbnRyb2xsZXIBAAZsb2dnZXIBABJMb3JnL3NsZjRqL0xvZ2dlcjsIAA4BAAZpZDoge30LABAAEQcAEgwAEwAUAQAQb3JnL3NsZjRqL0xvZ2dlcgEABGluZm8BACcoTGphdmEvbGFuZy9TdHJpbmc7TGphdmEvbGFuZy9PYmplY3Q7KVYKABYAFwcAGAwAGQAaAQARamF2YS9sYW5nL0ludGVnZXIBAAhpbnRWYWx1ZQEAAygpSQcAHAEAIWNvbS9leGFtcGxlL2RlbW8vYXJ0aGFzL3VzZXIvVXNlcggAHgEACHpoYW5nc2FuCgAbACAMAAUAIQEAFihJTGphdmEvbGFuZy9TdHJpbmc7KVYSAAAAIwwAJAAlAQAXbWFrZUNvbmNhdFdpdGhDb25zdGFudHMBACcoTGphdmEvbGFuZy9JbnRlZ2VyOylMamF2YS9sYW5nL1N0cmluZzsKACcAKAcAKQwAKgArAQAXb3JnL3NsZjRqL0xvZ2dlckZhY3RvcnkBAAlnZXRMb2dnZXIBACUoTGphdmEvbGFuZy9DbGFzczspTG9yZy9zbGY0ai9Mb2dnZXI7AQAEQ29kZQEAD0xpbmVOdW1iZXJUYWJsZQEADGZpbmRVc2VyQnlJZAEAOChMamF2YS9sYW5nL0ludGVnZXI7KUxjb20vZXhhbXBsZS9kZW1vL2FydGhhcy91c2VyL1VzZXI7AQANU3RhY2tNYXBUYWJsZQEAGVJ1bnRpbWVWaXNpYmxlQW5ub3RhdGlvbnMBADRMb3JnL3NwcmluZ2ZyYW1ld29yay93ZWIvYmluZC9hbm5vdGF0aW9uL0dldE1hcHBpbmc7AQAFdmFsdWUBAAovdXNlci97aWR9AQAiUnVudGltZVZpc2libGVQYXJhbWV0ZXJBbm5vdGF0aW9ucwEANkxvcmcvc3ByaW5nZnJhbWV3b3JrL3dlYi9iaW5kL2Fubm90YXRpb24vUGF0aFZhcmlhYmxlOwEACDxjbGluaXQ+AQAKU291cmNlRmlsZQEAE1VzZXJDb250cm9sbGVyLmphdmEBADhMb3JnL3NwcmluZ2ZyYW1ld29yay93ZWIvYmluZC9hbm5vdGF0aW9uL1Jlc3RDb250cm9sbGVyOwEAEEJvb3RzdHJhcE1ldGhvZHMPBgA9CgA+AD8HAEAMACQAQQEAJGphdmEvbGFuZy9pbnZva2UvU3RyaW5nQ29uY2F0RmFjdG9yeQEAmChMamF2YS9sYW5nL2ludm9rZS9NZXRob2RIYW5kbGVzJExvb2t1cDtMamF2YS9sYW5nL1N0cmluZztMamF2YS9sYW5nL2ludm9rZS9NZXRob2RUeXBlO0xqYXZhL2xhbmcvU3RyaW5nO1tMamF2YS9sYW5nL09iamVjdDspTGphdmEvbGFuZy9pbnZva2UvQ2FsbFNpdGU7CABDAQAFbmFtZQEBAAxJbm5lckNsYXNzZXMHAEYBACVqYXZhL2xhbmcvaW52b2tlL01ldGhvZEhhbmRsZXMkTG9va3VwBwBIAQAeamF2YS9sYW5nL2ludm9rZS9NZXRob2RIYW5kbGVzAQAGTG9va3VwACEACAACAAAAAQAaAAsADAAAAAMAAQAFAAYAAQAsAAAAHQABAAEAAAAFKrcAAbEAAAABAC0AAAAGAAEAAAAWAAEALgAvAAMALAAAAGQABAACAAAAN7IABxINK7kADwMAK8YAGSu2ABUEogARuwAbWSu2ABUSHbcAH7C7ABtZK7YAFSu6ACIAALcAH7AAAAACAC0AAAASAAQAAAAbAAsAHAAXAB0AJQAgADAAAAADAAElADEAAAAOAAEAMgABADNbAAFzADQANQAAAAcBAAEANgAAAAgANwAGAAEALAAAACEAAQAAAAAACRIIuAAmswAHsQAAAAEALQAAAAYAAQAAABcABAA4AAAAAgA5ADEAAAAGAAEAOgAAADsAAAAIAAEAPAABAEIARAAAAAoAAQBFAEcASQAZ' | base64 -d -o hotswap.class | retransform hotswap.class

结果还是只执行了echo部分代码

请问是使用方式不对吗?还是不支持