![]() Or to put it another way, you want to say "Hey Shell. Some characters are special to the Unix shell, and some are special to a utility like sed or grep.īefore you study regular expressions, it is important that you understand how to use the shell to send regular expressions to a program. The actual meaning depends on the program that sees this meta-character. ![]() This is part of my Unix tutorials series.įirst thing you have to understand is that certain characters, called meta-characters, have special meanings. Including identical quotes within quotes.The verbose and echo variables in the C shell.Using quotes to include spaces and characters in filenames. ![]()
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