Note POSIX spec.
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README
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README
@ -409,8 +409,11 @@ guidelines in mind:
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have a command with the same name.
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have a command with the same name.
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In particular, do not use GNU extensions to commands like sed and
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In particular, do not use GNU extensions to commands like sed and
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awk if you can write your code another way. If you really must use
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awk if you can write your code another way. If you really, REALLY must
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them, however, do feel free to do so.
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use them, do so if there's no other sane way to do what you're doing.
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The "Shell and Utilities" volume of the POSIX specification is a good
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starting reference for portable use of various utilities, see
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http://www.opengroup.org/onlinepubs/9699919799/
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- Read the existing source code for examples of how to solve
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- Read the existing source code for examples of how to solve
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particular problems. Read the bash man page for details of all the
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particular problems. Read the bash man page for details of all the
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