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why this does not work

Comment:

I was trying to use the script below: number_of_lines=1 number=1 until [ "$number" -gt "$number_of_lines" ] do echo $number awk '{ if (NR == $number) print $1, $2, $3, $4 }' file_input expr $number + 1 > temp_number read number < temp_number done when I echo $number it gives me 1,2, 3 .... so on but with the comparison if (NR == $number) I was expecting the awk command would print the first record of the file_input. But I do get nothing. Any comments, please

Reply:

Learn your quotes. Try: awk "{ if (NR == $number) print \$1, \$2, \$3, \$4 }" file_input

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