dash vs. bash inconsistency

[Sasha Slijepcevic]

On 3/28/2020, Thomas Wolff wrote:

> Am 28.03.2020 um 02:09 schrieb Sasha Slijepcevic via Cygwin:
>> I am using Cygwin 3.1.4-1, bash 4.4.12-3 and dash 0.5.9.1-1.
>>
>> I have a setup.exe in the root of my Cygwin installation, C:\cygwin64, for example.
>> If I set PATH=C:\cygwin64;C:\cygwin64\bin, I can run setup.exe from bash.
>>
>> C:\>set PATH=C:\cygwin64;C:\cygwin64\bin
>>
>> C:\>bash
>> $ echo $PATH
>> /:/usr/bin
>> $ setup-x86_64.exe  --version
>> Cygwin setup 2.903
>>
>> However, in dash:
>> C:\>dash
>> $ echo $PATH
>> /:/usr/bin
>> $ setup-x86-64.exe --version
>> dash: 2: setup-x86-64.exe: not found
>>
>> Am I misusing Cygwin trying to run executables from the top of the installation? Is it expected to all shells would behave the
>> same?

> Do you happen to have placed a copy of dash into your assumed root, 
> C:\cygwin64\dash.exe?

No, there is no a copy of dash in the root, only in C:\cygwin64\bin.