On 13/06/2021 14:28, Ævar Arnfjörð Bjarmason wrote:
On Sat, Jun 12 2021, Đoàn Trần Công Danh wrote:+ { test "x$1" = "x!" && test $# = 1 ; } [...] + if test "x$1" = "x!"We don't use this test idiom in other places, it's OK to just use "$1" = "!". I think we're past whatever portability concern made that popular in some older shell code in the wild.
Slightly off topic but if anyone is interested in the history of this test idiom and why it is no longer needed there is a good article at https://www.vidarholen.net/contents/blog/?p=1035
Best Wishes Phillip
