Shantanu's Blog
Database ConsultantOctober 30, 2023
awk Case Study - 4
# save the awk command as shell script and call it
# using the first variable
awk '
BEGIN { FS = "\t" }
$1 ~ /'$1'/ {
printf("%s:\n", $1)
printf("\t%d million people\n", $3)
printf("\t%.3f million sq. mi.\n", $2/1000)
printf("\t%.1f people per sq. mi.\n", 1000*$3/$2)
}' countries.txt
# sh info Canada
Labels: awk
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