Yrurtj

#!/bin/sh --



expression_to_evaluate='12 + 3'



printf '%sn' "Arithemtic Expansion: $(( $expression_to_evaluate ))"



printf '%s' 'bc: '

printf '%sn' "$expression_to_evaluate" | bc



printf '%s' 'awk: '

awk -v expression_to_evaluate="$expression_to_evaluate" -- 'BEGIN{printf "%dn", expression_to_evaluate}'

Arithemtic Expansion: 15

bc: 15

awk: 12

#!/bin/sh --



expression_to_evaluate='12 + 3'



printf '%sn' "Arithemtic Expansion: $(( $expression_to_evaluate ))"



printf '%s' 'bc: '

printf '%sn' "$expression_to_evaluate" | bc



printf '%s' 'awk: '

awk -v expression_to_evaluate="$expression_to_evaluate" -- 'BEGIN{printf "%dn", expression_to_evaluate}'

Arithemtic Expansion: 15

bc: 15

awk: 12

#!/bin/sh --



expression_to_evaluate='12 + 3'



printf '%sn' "Arithemtic Expansion: $(( $expression_to_evaluate ))"



printf '%s' 'bc: '

printf '%sn' "$expression_to_evaluate" | bc



printf '%s' 'awk: '

awk -v expression_to_evaluate="$expression_to_evaluate" -- 'BEGIN{printf "%dn", expression_to_evaluate}'

Arithemtic Expansion: 15

bc: 15

awk: 12

#!/bin/sh --



expression_to_evaluate='12 + 3'



printf '%sn' "Arithemtic Expansion: $(( $expression_to_evaluate ))"



printf '%s' 'bc: '

printf '%sn' "$expression_to_evaluate" | bc



printf '%s' 'awk: '

awk -v expression_to_evaluate="$expression_to_evaluate" -- 'BEGIN{printf "%dn", expression_to_evaluate}'

Arithemtic Expansion: 15

bc: 15

awk: 12

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