Ifs front end, txt The default value of IFS is space, tab, newline

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Ifs front end, 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). . All of these characters are whitespace. Feb 15, 2015 · At the beginning of a bash shell script is the following line: IFS=$'\\n' What is the meaning behind this collection of symbols? The following few threads on this site and StackOverflow were helpful for understanding how IFS works: What is IFS in context of for looping? How to loop over the lines of a file Bash, read line by Jun 12, 2015 · Using IFS= LC_ALL=C read -r line works around it there. There are a few important differences with modern POSIX shells. Feb 15, 2015 · At the beginning of a bash shell script is the following line: IFS=$'\\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 by Jun 12, 2015 · Using IFS= LC_ALL=C read -r line works around it there. History note The read builtin was introduced by the Bourne shell and was already to read words, not lines. A script that intends to use only the default splitting behavior (or joining, in the case of "$*"), but which may run under a shell which initializes IFS from the environment, must explicitly set/unset IFS to defend itself against environmental intrusion. If you need a single space, you can use ${IFS%??}. Critically, it's applied after substituting the value of variables.

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