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- What is the meaning of IFS=$\\n in bash scripting?
At the beginning of a bash shell script is the following line: IFS=$'\\n' What is the meaning behind this collection of symbols?
- shell - Understanding IFS - Unix Linux Stack Exchange
The following few threads on this site and StackOverflow were helpful for understanding how IFS works: What is IFS in context of for looping? How to loop over the lines of a file Bash, read line by
- Understanding IFS= read -r line - Unix Linux Stack Exchange
Using IFS= LC_ALL=C read -r line works around it there Using var=value cmd syntax makes sure IFS LC_ALL are only set differently for the duration of that cmd command History note The read builtin was introduced by the Bourne shell and was already to read words, not lines There are a few important differences with modern POSIX shells
- What is the IFS variable? - Unix Linux Stack Exchange
I was reading this Q amp;A: How to loop over the lines of a file? What is the IFS variable? And what is its usage in the context of for-loops?
- How to send a command with arguments without spaces?
Or more generally, contains a space cat${IFS}file txt The default value of IFS is space, tab, newline All of these characters are whitespace If you need a single space, you can use ${IFS%??} More precisely, the reason this works has to do with how word splitting works Critically, it's applied after substituting the value of variables
- understanding the default value of IFS - Unix Linux Stack Exchange
Here if the expansion contains any IFS characters, then it split into different 'words' before the command is processed Effectively this means that these characters split the substituted text into different arguments (including the name of the command if the variable is specified first)
- changing IFS temporarily before a for loop [duplicate]
changing IFS temporarily before a for loop [duplicate] Ask Question Asked 5 years, 3 months ago Modified 4 years, 8 months ago
- bash - Can IFS (Internal Field Separator) function as a single . . .
Parsing an array using IFS with non-whites space values creates empty elements Even using tr -s to shrink multiple delims to a single delim isn't enough An example may explain the issue more clea
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