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我想在.EX文件來執行這個命令 -如何在.ex文件中執行這個openssl命令?
openssl ec -in myprivatekey.pem -outform DER|tail -c +8|head -c 32|xxd -p -c 32
,我已經翻譯成
{_, 0} = System.cmd "openssl", [ "ec", "-in", private_key_file, "-outform", "DER|tail", "-c", "+8|head", "-c", "32|xxd", "-p", "-c", "32"], [stderr_to_stdout: true]
在靈藥
如何正確執行這個openssl命令?