man setenv.
But anyway you could just:
perl -ne '/\S/ and $x++, `echo "$_">>out.$x`' < your_file
On Thu, 22 Apr 2004, vick Julius wrote:
> Date: Thu, 22 Apr 2004 18:33:45 +0000
> From: vick Julius <julius_vick@xxxxxxxxxxx>
> To: linux-admin@xxxxxxxxxxxxxxx
> Subject: split a file or return shell variable to a program
>
>
> Hello everbody
> I have a text file I want to split. The file contains some sentences.
> between sentences I have empty 1 line. I want to split this file and put
> each sentence in a separate file with names 1, 2,3 ...
> do you have any idea to split it such as with awk or split?
>
> Here is my strategy:
>
> I wrote a C program in which I call bash shell script to increment a
> variable...
>
> In the shell I defined the variable k such as:
> $export k=1
> in my bash script file,myFile, for testing, I put
> echo $k
> let k+=1
> (or this expression k=`expr $k + 1`)
> echo $k
>
> when I run this script file, it gives me
> 1
> 2
>
> the problem is when I called form a C or C++ program, such
> system("echo $k");
> //this gives 1
> system("./myFile");
> // this display
> // 1
> //2
> system("echo $k");
> //here the problem, it display 1 not 2
>
> I want to have the incremented value for k, i.e 2 not the original one.
>
> Do you have any hint?
>
> Vick
>
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