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I want to use bash to process a tab delimited file. I only need the second column and third to a new file.
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`tab` is used as a separator In the tab-delimited file. This type of text file is created to store various types of text data in a structured format. Different types of command exist in Linux to parse this type of file.
(The -r tells read that \ isn't special in the input data; the -a myArray tells it to split the input-line into words and store the results in myArray ; and the IFS=$'\t' tells it to use only tabs to split words, instead of the regular Bash default of also allowing spaces to split words as well.
cut(1) was made expressly for this purpose:
cut -f 2-3 input.txt > output.txt
Cut is probably the best choice here, second to that is awk
awk -F"\t" '{print $2 "\t" $3}' input > out
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