npx method-id
Get the method id of a function signature
usage
$ npx method-id 'function name(uint256)'
0x00ad800c name(uint256)confirm
https://www.4byte.directory/signatures/?bytes4_signature=0x00ad800c
example
$ npx method-id 'function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline, bool approveMax, uint8 v, bytes32 r, bytes32 s) external returns (uint amountETH)'
0x5b0d5984 removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(address,uint256,uint256,uint256,address,uint256,bool,uint8,bytes32,bytes32)