Chapter 15. Quoting
In Chapter 14 we learned how to do variable and substitution operations. When carrying out variable substitutions in your scripts one of the most irritating errors you will come across will be due to misquoting. Quoting is also important on the command line.
In this chapter we’ll cover:
why there is a need to quote;
double, single and back quotes; and
escaping using the backslash.
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