goruby, 42 bytes

Result

AC

Duration

894ms

Code [DL]

a,*b,c=*$<;ps a*b.sz,a,c.rs.lj(a.rs.sz,?#)

stdin

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stdout

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                          K#####################

stderr

<internal:golf_prelude>:4: warning: redefining Object#method_missing may cause infinite loop

strace

10    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE"], 0x7ffdac429f60 /* 9 vars */) = 0
11    execve("/bin/cat", ["cat", "-"], 0x5570520b2d30 /* 9 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("/root/goruby", ["/root/goruby", "/volume/CODE"], 0x5570520b2d40 /* 9 vars */) = 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=6, si_stime=4} ---
10    +++ exited with 0 +++