Re: split a file or return shell variable to a program

[urgrue <urgrue@tumsan.fi>]

here's another way to do it (just with bash):

counter=1
while read line
do
if [ -z $line ] ; then continue
else
echo $line > $counter
counter=`expr $counter + 1`
fi
done < your_sentences_file



On 2004.04.22 22:03, Glynn Clements wrote:
> 
> vick Julius wrote:
> 
> > 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?
> 
> You can't do it with split; that only handles the case where each
> contains a fixed number of bytes or lines.
> 
> You can do it with awk easily enough, e.g.:
> 
> 	#!/usr/bin/awk -f
> 	BEGIN {
> 		ofile = 0;
> 	}
> 	 
> 	/^ *$/ {
> 		close(ofile);
> 		ofile++;
> 	}
> 	 
> 	/[^ ]/ {
> 		print > ofile;
> 	}
> 
> > 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.
> 
> Each process has its own set of environment variables. A process can
> modify its own environment variables, but not those of another
> process.
> 
> If you want to share state between processes, use a file.
> 
> --
> Glynn Clements <glynn.clements@virgin.net>
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