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> Is this a bash-ism? > "$x plus $y equals $((x+y))" No, it is specified in POSIX: https://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#t

by susam 2y ago

> Is this a bash-ism? > "$x plus $y equals $((x+y))" No, it is specified in POSIX: https://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#tag_18_06_04 https://pubs.opengroup.org/onlinepubs/9699919799/utilities/V...