Record Case Detail

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

 pwd: /out/package
ppid: 46885
   1: WRITELN pwd | cat > 1.txt
   2: WRITELN cat 1.txt
   3: WRITELN ls
   4: 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 $ /out/package
mumsh $ cat: 1.txt: No such file or directory
mumsh $ driver
mumsh
mumsh_memory_check
mumsh $ 
=================================================================
==46886==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 32 byte(s) in 1 object(s) allocated from:
    #0 0x4dd6d0  (/out/package/mumsh_memory_check+0x4dd6d0)
    #1 0x515bc5  (/out/package/mumsh_memory_check+0x515bc5)
    #2 0x519bcb  (/out/package/mumsh_memory_check+0x519bcb)
    #3 0x51f8f7  (/out/package/mumsh_memory_check+0x51f8f7)
    #4 0x525378  (/out/package/mumsh_memory_check+0x525378)
    #5 0x7f4043b26b96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)

Direct leak of 32 byte(s) in 1 object(s) allocated from:
    #0 0x4dd6d0  (/out/package/mumsh_memory_check+0x4dd6d0)
    #1 0x515bc5  (/out/package/mumsh_memory_check+0x515bc5)
    #2 0x517516  (/out/package/mumsh_memory_check+0x517516)
    #3 0x519d09  (/out/package/mumsh_memory_check+0x519d09)
    #4 0x51f8f7  (/out/package/mumsh_memory_check+0x51f8f7)
    #5 0

mumsh $ mumsh $ /out/package
mumsh $ 1.txt
driver
mumsh
mumsh_memory_check
mumsh $ exit

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JOJ Answer