Record Case Detail

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 pwd: /out/package
ppid: 4428
   1: WRITELN non-exist abc def
   2: WRITELN sleep 0.2 | non-exist
   3: WRITELN exit
exit: 1

Your answer may be identical to the JOJ answer in the first several lines.

However, the main problem you meet now is Runtime Error. And the exit code of your program is 1, which should be 0.

Please double check your code to solve this problem and try again.

mumsh $ 
=================================================================
==4430==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 96 byte(s) in 3 object(s) allocated from:
    #0 0x4dcbb0  (/out/package/mumsh_memory_check+0x4dcbb0)
    #1 0x5191a9  (/out/package/mumsh_memory_check+0x5191a9)
    #2 0x7fc04ad68b96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)

SUMMARY: AddressSanitizer: 96 byte(s) leaked in 3 allocation(s).
mumsh $ 
=================================================================
==4433==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 224 byte(s) in 7 object(s) allocated from:
    #0 0x4dcbb0  (/out/package/mumsh_memory_check+0x4dcbb0)
    #1 0x5191a9  (/out/package/mumsh_memory_check+0x5191a9)
    #2 0x7fc04ad68b96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)

Direct leak of 32 byte(s) in 1 object(s) allocated from:
    #0 0x4dcbb0  (/out/package/mumsh_memory_check+0x4dcbb0)
    #1 0x519142  (/out/package/mumsh_memory_check+0x519142)
    #2 0x7fc04ad68b96  (/lib/x86_64-lin

mumsh $ non-exist: command not found
mumsh $ non-exist: command not found
mumsh $ exit

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