bash read file into variable with newlines


You can control how bash breaks up text by setting the value of the bash built in “ IFS ” variable (IFS is an acronym for Internal Field Separator). To complement the great existing answers: If you're using bash and you prefer using actual newlines for readability, read is another option for capturing a here-doc in a variable, which (like other solutions here) doesn't require use of a subshell. 19 Mar 2017. bash hackerrank. Bash ≥4.0 has a faster way of reading a file into a variable: the mapfile. Use Perl. The while loop is the best way to read a file line by line in Linux.. File content into unix variable with newlines (4) Bash -ge 4 has the mapfile builtin to read lines from the standard input into an array variable. Following is the syntax of reading file line by line in Bash using bash while loop : Syntax OR bash documentation: Read lines of a file into an array. # Reads a here-doc, trimming leading and trailing whitespace. If you need to read a file line by line and perform some action with each line – then you should use a while read line construction in Bash, as this is the most proper way to do the necessary.. I couldnt able to get them worked. a,b,c I am looking for reading a txt file and storing the values into variable using shell script (ksh).--- Update ---I have nearly tried all the methods which are available over the internet. Right now I am trying this method. mapfile

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