Record Case Detail

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

 pwd: /out/package
ppid: 90949
   1: WRITELN echo 123 > 1.txt
   2: WRITELN echo "<1.'txt'
   3: WRITELN " < 1.txt >> 2."'txt'"
   4: WRITELN cat 1.txt
   5: WRITELN cat 2."'txt'"
   6: WRITELN ls
   7: 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 $ mumsh $ > main.c:273:16: runtime error: null pointer passed as argument 1, which is declared to never be null
/usr/include/string.h:137:33: note: nonnull attribute specified here
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior main.c:273:16 in 
AddressSanitizer:DEADLYSIGNAL
=================================================================
==90952==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc 0x0000004b226b bp 0x7ffec4f31e50 sp 0x7ffec4f315c0 T0)
==90952==The signal is caused by a READ memory access.
==90952==Hint: address points to the zero page.
    #0 0x4b226a  (/out/package/mumsh_memory_check+0x4b226a)
    #1 0x517d43  (/out/package/mumsh_memory_check+0x517d43)
    #2 0x51601b  (/out/package/mumsh_memory_check+0x51601b)
    #3 0x7f8133b3eb96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
    #4 0x41cd99  (/out/package/mumsh_memory_check+0x41cd99)

AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV (/out/package/mumsh_memory_check+0x4b226a)

mumsh $ mumsh $ > mumsh $ 123
mumsh $ <1.'txt'

mumsh $ 1.txt
2.'txt'
driver
mumsh
mumsh_memory_check
mumsh $ exit

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Stderr

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JOJ Answer