Record Case Detail

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

 pwd: /out/package
ppid: 19402
   1: WRITELN echo 123 > 1.txt
   2: WRITELN echo abc > > > >
   3: WRITELN echo abc > < 1.txt
   4: WRITELN echo abc > | grep abc
   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 $ mumsh $ syntax error near unexpected token `>'
> mumsh $ /in/p1.c:463:27: runtime error: null pointer passed as argument 1, which is declared to never be null
/usr/include/fcntl.h:157:56: note: nonnull attribute specified here
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /in/p1.c:463:27 in 
(null): Permission denied

=================================================================
==19407==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 3072 byte(s) in 3 object(s) allocated from:
    #0 0x4dcf90  (/out/package/mumsh_memory_check+0x4dcf90)
    #1 0x517f6b  (/out/package/mumsh_memory_check+0x517f6b)
    #2 0x515941  (/out/package/mumsh_memory_check+0x515941)
    #3 0x7fc2de9e6b96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)

Direct leak of 3072 byte(s) in 3 object(s) allocated from:
    #0 0x4dcf90  (/out/package/mumsh_memory_check+0x4dcf90)
    #1 0x517ff3  (/out/package/mumsh_memory_check+0x517ff3)
    #2 0x515941  (/out/package/mumsh_memory_check+0x515941)
    #3 0x7fc2de9e6b96

mumsh $ mumsh $ syntax error near unexpected token `>'
mumsh $ syntax error near unexpected token `<'
mumsh $ syntax error near unexpected token `|'
mumsh $ exit

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JOJ Answer