standback, 41 bytes

Result

AC

Duration

872ms

Code [DL]

w/K /s/(T\D{50}\K|(K)) /T%2//m//S//%%'///

stdin

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stdout

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stderr

strace

11    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE"], 0x7ffcb4b6cc40 /* 9 vars */) = 0
12    execve("/bin/cat", ["cat", "-"], 0x55799f602068 /* 9 vars */ <unfinished ...>
13    execve("/usr/local/ruby-2.6.3/bin/ruby", ["/usr/local/ruby-2.6.3/bin/ruby", "/root/standback/src/standback.rb", "/volume/CODE"], 0x55799f602090 /* 9 vars */ <unfinished ...>
12    <... execve resumed> )            = 0
13    <... execve resumed> )            = 0
12    +++ exited with 0 +++
11    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
13    +++ exited with 0 +++
11    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=5, si_stime=6} ---
11    +++ exited with 0 +++