cubix, 80 bytes

Result

AC

Duration

1133ms

Code [DL]

..>^<...^+i<...^io3%v..@s0vs.;<>;;v!<..<(*>1v;;^.37vQ;i!?..s<;;.%<7>o;s^.....^^!

stdin

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 K                                                

stdout

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 K!!!!!!!!!!!!!!!!!!"

stderr

strace

10    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE"], 0x7ffc5a8ce100 /* 7 vars */) = 0
11    execve("/bin/cat", ["cat", "-"], 0x55aec57d2cf8 /* 7 vars */) = 0
11    +++ exited with 0 +++
10    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
12    execve("/usr/bin/node", ["/usr/bin/node", "/root/cubix-cli.js", "/volume/CODE", "                    T           "...], 0x55aec6c0b948 /* 7 vars */) = 0
16    +++ exited with 0 +++
15    +++ exited with 0 +++
17    +++ exited with 0 +++
14    +++ exited with 0 +++
13    +++ exited with 0 +++
18    +++ exited with 0 +++
12    +++ exited with 0 +++
10    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=18, si_stime=6} ---
10    +++ exited with 0 +++