Re: file deletion in a directory with some conditions .

From:
James Kanze <james.kanze@gmail.com>
Newsgroups:
comp.lang.c++
Date:
Mon, 4 Aug 2008 06:15:46 -0700 (PDT)
Message-ID:
<b48b61e8-2a67-4e3d-9084-a3e6037aebb0@x35g2000hsb.googlegroups.com>
On Aug 4, 2:07 pm, aki <akhileshrawat...@gmail.com> wrote:

On Aug 1, 11:17 pm, James Kanze <james.ka...@gmail.com> wrote:

On Aug 1, 6:20 pm, aki <akhileshrawat...@gmail.com> wrote:

On Aug 1, 12:23 pm, Michael DOUBEZ <michael.dou...@free.fr> wrote:


    [...]

Well for system command path cannot be a variable,


Of course it can be. It can be an expression, just like any
other function argument.

i tested it. as this will not work
system("rm -f /path/OMCID_NETYPE_NENAME_*_trans.csv");
because OMCID , NETYPE, NENAME are variables.


So you need a different expression. Something like:

    system( ("rm -f /path/" + OMCIDE + '_' + NETYPE + '_' +
                NENAME + "_*_trans.swv").c_str() ) ;


i tried with this as following , but not working :(
        string omcid;
        string netype ;
        string nename ;
        //some stuff to get values inside the string variables

        TrDebug<<"omcid"<<omcid<<endl; // here i printed the value it is
coming correct
        TrDebug<<"netype"<<netype<<endl;// here also
        TrDebug<<"nename"<<nename<<endl; // here also
        system( ("rm -f /path/" + omcid + '_' + netype + '_' + nename +
"_*_trans.csv").c_str() ) ;


And how is it not working? It should compile (as long as one of
the first two operands in the sequence of +'s is a string, which
seems to be the case). What does system() return? Otherwise:
try redirecting the output of rm (both standard out and standard
error) to a file, and see what it contains.

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