Single Quotes Vs Double Quotes Bash

Why did she call the man a traitor do i use double or single quotation marks for block quotations.

Single quotes vs double quotes bash. Single quotes are used to indicate sarcasm or irony whereas double quotes are not used for this purpose. If you are an american using quotation marks could hardly be simpler. Use a thin space between a single quotation mark and a double quotation mark. If you use double quotation marks then you should use single quotation marks for a quote within a quote.

In the simplest of words the bash shell will interpret the enclosing text inside the single quotes literally and will not interpolate any part of the text such as variables. Double quotes are the less restrictive option. All characters within are interpreted as regular characters except for or which will be expanded on the shell. I am a little confused though as in some files i see strings in double quotes and in some without.

Let us review how to use single quote and double quote inside a shell script. A few points to. When i say immediately i mean some time before august said the manager. Use double quotation marks at all times unless quoting something within a quotation when you use single.

When using bash the decision to use single quotes or double quotes depends on exactly what you want to do. If you use single quotations marks then you should use double quotation marks for a quote within a quote. Use when you want to enclose variables or use shell expansion inside a string. And thus ends the lesson of the quotes.

It can be hard to see a single quotation mark that s followed by a double quotation mark when they fall right next to each other like they did in the last example so typesetters sometimes insert something called a thin space between the two quotation marks. Generally double quotes are used to indicate that a person is directly speaking to someone whereas the single quote is used to imply a quote within a quote. Single quotes are also used to emphasize on certain points within a text. In the case of the double quotes the bash shell will evaluate the enclosing string and transform the text when appropriate such as variables escape characters backticks etc.

All characters within single quotes are interpreted as a string character. Echo the geek stuff the geek stuff. Following example displays an echo statement without any special character. Double quotes are useful when using variables in case the variable uses other special characters or to avoid whitespace being used to make one argument into two.

Find out what each does and when to use them. Echo statement with a special character.