Record Case Detail

This function is in beta test. Please help improve it in the issues here.

 pwd: /out/package
ppid: 47276
   1: WRITELN >
   2: WRITELN 1.txt echo 123
   3: WRITELN cat 1.txt
   4: WRITELN ls
   5: WRITELN exit

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

However, you will still get Wrong Answer because the complete output may be longer and there might be errors in the future lines.

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

mumsh $ Invalid output file!
/in/main.c:230:32: runtime error: null pointer passed as argument 1, which is declared to never be null
/usr/include/unistd.h:582:14: note: nonnull attribute specified here
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /in/main.c:230:32 in 
AddressSanitizer:DEADLYSIGNAL
=================================================================
==47278==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc 0x7f49a70c0510 bp 0x7ffdd5f98470 sp 0x7ffdd5f983e0 T0)
==47278==The signal is caused by a READ memory access.
==47278==Hint: address points to the zero page.
    #0 0x7f49a70c050f  (/lib/x86_64-linux-gnu/libc.so.6+0xe550f)
    #1 0x51a072  (/out/package/mumsh_memory_check+0x51a072)
    #2 0x51bf49  (/out/package/mumsh_memory_check+0x51bf49)
    #3 0x7f49a6ffcb96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
    #4 0x41d0f9  (/out/package/mumsh_memory_check+0x41d0f9)

AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV (/lib/x86_64-linux-g

mumsh $ > mumsh $ 123
mumsh $ 1.txt
driver
mumsh
mumsh_memory_check
mumsh $ exit

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JOJ Answer