in reply to system call with variable interpolation

Because in the first, $abc will contain a newline, which for the shell is a statement separator?

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Re^2: system call with variable interpolation
by vikashiiitdm (Novice) on Jul 15, 2011 at 11:26 UTC
    ok... but how do i make it do what i want!!!!
[reply]
      Some options:
      • Remove the newline.
      • Escape anything special to the shell.
      • Don't use the shell to do something Perl can do trivially.
      • Do it all in the shell. (date >> log.txt)
[reply]
[d/l]

        i had been doing this. but the $eng_dat and $hindi_dat never get printed. how do i solve this issue.

        #!/bin/env perl
open(HANDLE,"<labels");@lines=<HANDLE>;close HANDLE;
for($i=0;$i<=$#lines;$i++)
    {
    ($english_index,$hindi_index,$nua)=split(/\|/,$lines[$i]);
    @english=split(/:/,$english_index);
    @hindi=split(/:/,$hindi_index);
    print @english,"\n",@hindi,"\n";
    for($j=0;$j<=$#english;$j++)
        {
            $eng_dat=`grep --regexp '$english[$j]' /home/vikash/pro_1/
+en_1000`;
            print $eng_dat;
            
            
        }    
    for($j=0;$j<=$#hindi;$j++)
        {
            $hindi_dat=`grep --regexp '$hindi[$j]'    /home/vikash/pro
+_1/HI_1000`;
            print $hindi_dat;
        }
    print "***********************************************************
+******\n";
    }

        [download]
[reply]
[d/l]
      Try: 
      system("echo \'$abc\' >> log.txt");

      [download]
[reply]
[d/l]
        Why the backslashes?
[reply]

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