Build many command line tools to let your work relaxed

Tools List:

• len: Obtain the length of your input string
• ssh-list: Obtain your ssh server alias and ip
• btc-gurad: Guarantee your bitcoind process is always available
• cov: Convert bitcoin cash address format each other
• rstr: Generate a random string(supporting the specified lenght)
• convhex: Convert the hexadecimal sequence according to byte
• baddr: Generate bitcoin or bitcoin cash address for the specified network
• calcFee: Calculate fee and feerate for the specified hexadecimal transaction string
• tx-specified-feerate: Construct one transaction with the specified feerate(one input and one output)
• ...