Shell Programming and Scripting

{
   f[1]=substr($0,1,8)
   f[2]=substr($0,9,10)
   f[3]=substr($0,18,length)
   printf("The seperate variable are  :\n%-10s\n%-10s\n%-10s\n",f[1],f[2],f[3])
}

njundmdse19 371 $nawk -f file_script.sc file1
The seperate variable are  :
abcd.csv
0123456789
91111111111

awk 'NR == 2 {
        one = substr($0,1,length-20)
        two = substr($0,length-19,10)
        three = substr($0,length-9)
        tempfile = FILENAME ".tmp"
        scmd = ("du " tempfile)
        rmcmd = ("rm " tempfile)
        }
NR>2 {
        print  > tempfile
        close(tempfile)
        }
END {
        scmd | getline 
        close(scmd)
                if ( $1 != two )
                        exitval = 150 
                system(rmcmd)
                exit exitval
           
}' inputfile

 eval `sed '2s_\(.*\)\(.\{10\}\)\(.\{10\}\)$_one=\1 two=\2 three=\3_' file`

{
   f[1]=substr($0,1,match($0,/[0-9]+/)-1)
   f[2]=substr($0,match($0,/[0-9]+/),10)
   f[3]=substr($0,length(f[2])+length(f[1])+1,length)
   printf("\nThe seperate variable are :\n%-10s\n%-10s\n%-10s\n",f[1],f[2],f[3])
}

njundmdse19 411 $nawk -f file_script.sc file1

The seperate variable are  :
abcd.csv
0123456789
1111111111

The seperate variable are  :
ab.csv
0123456789
1111111111