How to check if a file exists?

[Hongliang Wang]

Hello all,

I need to use a very very stupid Windows application to produce something, 
while this application does not have any return code or error message, so the 
only way that I can check whether building succeed is to check if the output 
file exist after building ...

now this is my Makefile, could anybody tell me if this is the correct way to do 
this?

=============================
kit: xml
        @echo ' \ncompiling $(XML) ...'
        -$(RM) $(OUTPUT)/*.exe
        '$(BITROCK_SYSTEM)' build '$(XML)' windows
        if test -e $(OUTPUT)/*.exe; \
        then @echo ' compiling success! ...'; \
                else @echo ' compiling failes ...'; \
        fi
=============================


Thanks in advance.

Hongliang Wang
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