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Re: problem in mkdir

by Plankton (Vicar)
on Dec 02, 2011 at 07:02 UTC ( #941250=note: print w/replies, xml ) Need Help??

in reply to problem in mkdir

The problem is that you are trying to create a directory in a directory that does not exists yet. Take a look at this:
$ cat #!/usr/bin/perl -w my $d1 = "d1"; my $d2 = "d2"; mkdir "/tmp/$d1/$d2" or warn __LINE__ . " mkdir /tmp/$d1/$d2 failed:$! +\n"; mkdir "/tmp/$d1" or warn __LINE__ . " mkdir /tmp/$d1 failed:$!\n"; mkdir "/tmp/$d1/$d2" or warn __LINE__ . " mkdir /tmp/$d1/$d2 failed:$! +\n"; $ ./ 6 mkdir /tmp/d1/d2 failed:No such file or directory
So my first mkdir command fails to make direcotry /tmp/d1/d2 because /tmp/d1 does not exists.

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Re^2: problem in mkdir
by MVRS (Acolyte) on Dec 02, 2011 at 07:11 UTC
    thanks for the reply plankton, but i created the directory before in that path and then compiled it but it didnt works, thanks for understanding the script and replying
Re^2: problem in mkdir
by MVRS (Acolyte) on Dec 02, 2011 at 12:53 UTC

    after adding $! , am getting the following error in my gi

    Software error: Cannot make directory /var/www/html/piRNA_html/UNAFold/output/10010 , errorwas:Permission denied at /var/www/html/piRNA_html/UNAFold/mkdirtest.cgi line 39.

    i couldnt understand , though 0777 permission given , y its giving error about permission, please reply me in this

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