Feb 15, 2015 · At the beginning of a bash shell script is the following line: IFS=$'\\n' What is the meaning behind this collection of symbols?

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 …

Jun 12, 2015 · 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. …

Mar 15, 2017 · 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 …

The IFS= read -r line sets the environment variable IFS (to an empty value) specifically for the execution of read. This is an instance of the general simple command syntax: a (possibly …

Feb 20, 2023 · I was reading this Q&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?

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 …

I know that a custom IFS value can be set for the scope of a single command/built-in. Is there a way to set a custom IFS value for a single statement?? Apparently not, since based on the …

Aug 16, 2020 · changing IFS temporarily before a for loop [duplicate] Ask Question Asked 5 years, 2 months ago Modified 4 years, 7 months ago

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 …