Record Case Detail

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 pwd: /out/package
ppid: 21815
   1: WRITELN "echo" "123" "|" | cat > 1.txt
   2: WRITELN cat 1.txt
   3: WRITELN ls
   4: 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 $ 
=================================================================
==21817==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 1024 byte(s) in 1 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 0x7fb54470db96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)

Direct leak of 1024 byte(s) in 1 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 0x7fb54470db96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)

SUMMARY: AddressSanitizer: 2048 byte(s) leaked in 2 allocation(s).
mumsh $ 123 |
mumsh $ 1.txt
driver
mumsh
mumsh_memory_check
mumsh $ exit

=================================================================
==21816==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 4096 byte

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

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