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trptcolin/hello_world.sh

Created January 1, 2014 17:44
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hello_world.sh
$ ./hello_world
Hello World!
$ ./hello_world > output && cat output
Hello World!
$ ./hello_world >> output && cat output
Hello World!
Hello World!
$ ./hello_world >> output && cat output
Hello World!
Hello World!
Hello World!
Raw
hello_world_evil.sh
$ ./hello_world
Hello World!
$ ./hello_world > output && cat output
Hello World!
$ ./hello_world >> output && cat output
Hello World!
$ ./hello_world >> output && cat output
Hello World!
$ cp /etc/passwd output && head -1 output
root:x:0:0:root:/root:/bin/bash
$ ./hello_world >> output && cat output
Hello World!
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