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exit gracefully upon EOF

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Remzi Arpaci-Dusseau
2018-02-11 16:52:24 -06:00
parent 94405e7f86
commit bea75caaa9
1 changed files with 3 additions and 0 deletions
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processes-shell/README.md
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@@ -81,6 +81,9 @@ which the shell is given an input file of commands; in this case, the shell
should not read user input (from `stdin`) but rather from this file to get the should not read user input (from `stdin`) but rather from this file to get the
commands to execute. commands to execute.
In either mode, if you hit the end-of-file marker (EOF), you should call
`exit(0)` and exit gracefully.
To parse the input line into constituent pieces, you might want to use To parse the input line into constituent pieces, you might want to use
`strtok()` (or, if doing nested tokenization, use `strtok_r()`). Read the man `strtok()` (or, if doing nested tokenization, use `strtok_r()`). Read the man
page (carefully) for more details. page (carefully) for more details.