On Thu, Aug 05, 2021 at 09:26:35AM +0100, Tixy wrote: > On Thu, 2021-08-05 at 10:36 +0300, Anssi Saari wrote: > [...] > > > > [ A="0 ; " ] > > > > is always true. It seems it probably has something to do with expansion, > > quoting and the special meaning of ;. > > > > ; has no special meaning inside "". The expression is true because > there is only a single non-null argument between the [ ] Yes, well put. As much as [ foobarbazxy ] is always true :-) I always recommend `echo' to those who want to "see" argument expansion before pulling out their hair. Try echo A="0 ; " => A=0 ; Since whitespace is so difficult to see, let's prepend and postpend something (the `-n' option tells echo to not output a newline): echo -n '<' ; echo -n A="0 ; " ; echo '>' => <A=0 ; > Cheers - t
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