Is this a bug or a behavior?

[Jack Radigan]

Using the following script:
#!/bin/bash
set -x
cat << eof | `ls /bin | grep "^grep$"` alpha
alpha
omega
eof

Output from bash on Linux:
+ cat
++ ls /bin
++ grep '^grep$'
+ grep alpha
alpha

Output from bash on Cygwin:
+ cat
++ ls /bin
++ grep '^grep$'
+ alpha
./ls-test: line 3: alpha: command not found

But, the command 'cp /bin/grep ~/.' will copy grep.exe to my home directory.

Shouldn't 'ls' be suppressing the '.exe' extension for cygwin binaries 
in the same way that 'cp' appends it?

Seems inconsistent not to.

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