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Full Discussion: [Perl] Accessing array elements within a sed command in Perl script
Top Forums Shell Programming and Scripting [Perl] Accessing array elements within a sed command in Perl script Post 302242782 by userix on Thursday 2nd of October 2008 11:58:56 PM
Old 10-03-2008
[Perl] Accessing array elements within a sed command in Perl script
I am trying to use a script to replace the header of each file, whose filename are stored within the array $test, using the sed command within a Perl script as follows:
Code:
$count = 0;
while ( $count < $#test )
{
        `sed -e 's/BIOGRF  321/BIOGRF  332/g' ${test[$count]} > 0`;
        `cat 0 > ${test[$count]}`;
        $count++;
}

`rm 0`;

This script doesn't work as is and I think it might be something with the syntax of how to call the element of an array within a embedded sed command. If I put an actual integer as the array index instead of the variable $count, it works fine, but if I try to use $count, it doesn't work at all. I know this might not be the most efficient method, but it is the only way I can think of with my limited knowledge of perl scripting.
 

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LEARN ABOUT SUNOS

lptest

lptest(1B)					     SunOS/BSD Compatibility Package Commands						lptest(1B)

NAME

       lptest - generate line printer ripple pattern

SYNOPSIS

       /usr/ucb/lptest [ length [count]]

DESCRIPTION

       The  lptest  utility  writes the traditional ripple test pattern to the standard output. In 96 lines, the ripple test pattern prints all 96
       printable ASCII characters in each position. The ripple test pattern was originally created to test printers.  It is also useful for  test-
       ing terminals, driving terminal ports, debugging, and performing tasks that require a quick supply of random data.

       This command is obsolete.

OPTIONS

       length	       Specifies the length of the output line in characters. 79 characters is the default.

       count	       Specifies the number of output lines. 200 lines is the default. If  count is specified, length must also be specified.

EXIT STATUS

       The following exit values are returned:

       0	       Successful completion.

       non-zero        An error occurred.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWscplp 		   |
       +-----------------------------+-----------------------------+

SEE ALSO

       attributes(5)

SunOS 5.10							    9 Sep 1996								lptest(1B)
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