Record Case Detail

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

 pwd: /out/package
ppid: 82830
   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 $ syntax error near unexpected token `<'
mumsh $ syntax error near unexpected token `|'
mumsh $ exit
AddressSanitizer:DEADLYSIGNAL
=================================================================
==82831==ERROR: AddressSanitizer: SEGV on unknown address 0x000000533570 (pc 0x000000428213 bp 0x7fffba475690 sp 0x7fffba475640 T0)
==82831==The signal is caused by a WRITE memory access.
    #0 0x428212  (/out/package/mumsh_memory_check+0x428212)
    #1 0x4dc9ca  (/out/package/mumsh_memory_check+0x4dc9ca)
    #2 0x5170aa  (/out/package/mumsh_memory_check+0x5170aa)
    #3 0x51b9dc  (/out/package/mumsh_memory_check+0x51b9dc)
    #4 0x7f292b7a8b96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
    #5 0x41cd09  (/out/package/mumsh_memory_check+0x41cd09)

AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV (/out/package/mumsh_memory_check+0x428212) 
==82831==ABORTING

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