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Comments on What are field separators in operating-programming languages (such as Bash)?
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What are field separators in operating-programming languages (such as Bash)?
The concept of field separator has some private cases in different operating system shells and their utilities (IFS on Bourne shell and derivates, RS on AWK and perhaps more) but I am having trouble understanding what is the purpose of the concept in general or which problem it was first aimed to solve.
I have personally understood that a "field separator" is any indentation character and line break character such as the following but I am not sure that's correct:
-
Indentation characters:
- Whitespace character
- Tabulation character
- Other, less standard, indentation characters
-
Line break characters:
- (non-carriage-return) Line Feed (LF)
- Carriage Return Line Feed (CRLF)
- Other, less standard, line break characters
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