When is it necessary to quote a command line argument?
closed as unclear what you're asking by Tog, Dave M, Shekhar, Breakthrough, Mokubai♦ Aug 3 '13 at 22:30
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You need to quote when it otherwise would be interpreted differently from what you might intent by the shell.
A few examples:
You'd quote the string argument
You also quote to prevent some special interpretation of your input. If the shell uses
As a special case, e.g. in bash, you quote