Mail Archives: djgpp/2000/03/26/05:39:56
From: | "Robert L." <vlad3 AT sympatico DOT ca>
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Newsgroups: | comp.os.msdos.djgpp
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References: | <38D8BB21 DOT 16397608 AT accord-soft DOT com>
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Subject: | Re: the gcc -o option
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Lines: | 28
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Message-ID: | <tCiD4.13663$n03.487693@news20.bellglobal.com>
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Date: | Sun, 26 Mar 2000 07:02:49 GMT
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NNTP-Posting-Host: | 216.209.203.70
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NNTP-Posting-Date: | Sun, 26 Mar 2000 02:02:49 EST
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Organization: | Sympatico
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To: | djgpp AT delorie DOT com
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DJ-Gateway: | from newsgroup comp.os.msdos.djgpp
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Reply-To: | djgpp AT delorie DOT com
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the only use of this, i think, is for seeing the difference between 2
program ( hackers style ).
rem this is comp.bat, rename a file, run gxx, compare the 2 file
ren %2 %2.old
gxx %1 %2 %3
compare %2.old %2
--- How to call it ( from a dos box, write )
comp -o newprog.exe newprog.cpp
--- What it does
ren newprog.exe newprog.exe.old
gxx -o newprog.exe newprog.cpp
compare newprog.exe.old newprog.exe
( Compare is a fictional program, it get 2 file and say where the difference
is )
This batch can work only if you use the form
gxx param outputFile inputFile && (param == -o )
else it do undefine beaviour, you can modify it like you want.
Ghins Mathai a écrit dans le message <38D8BB21 DOT 16397608 AT accord-soft DOT com>...
>The gcc -o option overwrites a file by default. Is there anyway by which
>I can prevent this ??
>
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