run-each-row-and-column.sh

#!/bin/bash
# ./run-each-row-and-column.sh
# Israel Torres
# 20120317
# Input a tab delimited file with two columns
# Use three examples ending with the built-in
#
# create the tab delimted multiline text file
echo -e "col1\tcol2\ndata1\tdata2" > data.txt
#
SAVEIFS=$IFS; IFS=$(echo -en "\n\b");
for x in $(cat data.txt)
do
# using cut
#col1=$(echo $x | cut -f 1)
#col2=$(echo $x | cut -f 2)
#echo -e "[column 1]:$col1\t[column 2]:$col2"
#
# using awk
#col1=$(echo $x | awk '{print $1}')
#col2=$(echo $x | awk '{print $2}')
#echo -e "[column 1]:$col1\t[column 2]:$col2"
#
# using builtin
btab=$(echo -ne "\t") # create tab
col1=$(echo ${x/$btab*/})
col2=$(echo ${x/*$btab/})
echo -e "[column 1]:$col1\t[column 2]:$col2"
#
done
IFS=$SAVEIFS
#EOF