Re: List Experience

I agree with you Ron At 07:05 AM 10/1/2011, Ron Weidner wrote: I've had mixed feelings about my experience on this list so far. I'm sharing these opinions because I feel it would be awesome if this list seemed friendlier to beginners. Several years ago I subscribed to this list and

Basic Script Needed

Hello It has been a while since I have done some serious Perl programming. I am looking for a basic script that will take a very large file and split it up into a manageeable files that can be emailed and then a script that will merge the files back. Has anyone created such a script. I have a

Convert spreadsheet to jpeg

Hello I am not an expert in perl and so before I propose that a particular script be written I would likek to get an idea as to how hard the task would be. We have a large number (in my opinion) of excel spreadsheets that need to be concerted to jpeg format. The jpeg files are used when a

Replace System(Dir) call Help

Hello I have written a perl script and I am in the debugging and imroving the code. The first improvement is want to make is to replace the system(Dir c:/s) call because it is not portable. So I was told to use the File package. I have not found a good example. So I am looking for some

Finding all files (what I want to do)

Hello I think we are loosing track of what I want to do. I want to stay out of the dir code approach. I want to find all the files on a drive (C, D...) and put them into an array. I would like access to the file size of the files so if I find 2 files with the same name I want to compare the

Apologies - Hope to clarify things

Hello I would like to apologize for creating a lot of confusion. I have most of my perl program working. I ran into an issue and Charles made a suggestion to change my code from a PC based dir command to a File:File call to find all the files. I am doing this to make the code more portable

File::Find

Hello I looked at the documentation for this function and I find it confusing. What do you pass in to get all the files on drive letter c? Andrew -- To unsubscribe, e-mail: beginners-unsubscr...@perl.org For additional commands, e-mail: beginners-h...@perl.org http://learn.perl.org/

Re: File::Find

file found. Andrew At 04:13 PM 5/18/2009, Chas. Owens wrote: On Mon, May 18, 2009 at 19:05, Gunnar Hjalmarsson nore...@gunnar.cc wrote: AndrewMcHorney wrote: I looked at the documentation for this function and I find it confusing. Try File::Finder for a less confusing interface

Array Initialization

Hello I put the strict and warning statements in my perl code. I now need to initialize arrays. What is the best way to initialize an array before the loop where I will basically recreating the array size in the loop? my @array = ? while (more work to do) { @array = split $string; # do

Parameter Passing Not Working

Hi I appreciate the assistance from a previous email message on writing functions in Perl. The issue right now is that I am passing an array, a number and a string to the function but it does not appear to be passed successfully. I am sure the error is quite simple. The function in question

Function Assistance Needed

Hello I need a little assistance in creating a function for my perl code. The function will pass in an array of strings and an index. The function will build a single string using the 1st string at the passed in index and the remaining strings in the array. It will return the newly built in

Functions passing in arrays

Hello I have not had a lot of experience with writing functions in perl. However I am working on a pretty good size script that could reduce the code size by writing a function that would pass in 2 arrays, a file handle and a string. The function only uses the strings for outputting to the

Adding Very Large Numbers and Display

Hello I have a perl script that is working fine. The script involves creating an array of numbers. The values of these numbers in the is quite large (12 integer digits or more). I can easily display the numbers with a simple print statement. I want to display the contents with one element per

Determining if a file is more than so many days old

Hello I am working on a perl script that will go through a directory and it's subdirectories and purge all the files that are more than a specified number of days old. I am using a Unix system so I do a find command to gather up the files I want. I then am going to do a stat command to find

How to Determine why a File Failed to Open

Hello Is there a way in Perl to find out why a file failed to open? I am working on a script that is opening and reading a lot of files. This script is right now being written on a Windows based system. Andrew -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail:

Reading Files - Which approach is best

Hello I am continuing work on my script. I know there are many ways to read files. I am going to be opening files that are text and also that are binary. Here are my 2 ways that I have done it it in the past. I am wondering which way is best. $_ = join '',(SOURCE_FILE) or @SourceLine =

Re: Opening File - Used to Work but does not now

The colon was the problem At 02:18 PM 10/26/2008, Mr. Shawn H. Corey wrote: On Sun, 2008-10-26 at 14:10 -0700, AndrewMcHorney wrote: Hello I have some perl code that was working and for the life of me I cannot determine why it is is failing now. All I am trying to do is to create and open

Stripping the beginning of a line of spaces

Hello I am working on a script that does a directory of a Windows drive. There are some lines returned where there are spaces before the 1st character. This throws off the splitting of the line into an array. How can I strip the leading characters in an efficient way into either the same

Re: Stripping the beginning of a line of spaces

, AndrewMcHorney wrote: Hello I am working on a script that does a directory of a Windows drive. There are some lines returned where there are spaces before the 1st character. This throws off the splitting of the line into an array. How can I strip the leading characters in an efficient way

Coverting string with commas to a number to add

Hello I have a line of code that appears to not be returning what I am looking for. I am attemting to add a number which has commas in it. It represents the number of bytes of a file obtained for the dir command. At the end of the run the number of bytes does not come close to what I expect.

Index not incrementing

Hello I am working on a perl script which is strictly loops for performance testing. For some reason the index for the quarterback index is not incrementing. Also sometimes I am getting an error message about the last right bracket. I have looked at this for a while and cannot see why this

Password Entry

Hello I am looking for sample code where a user would enter a password. The key here is to either replace the characters entered with blanks or something like * for each character that is entered. I am sure this has been done before. Thanks, Andrew -- To unsubscribe, e-mail: [EMAIL

Perl Code to ftp files

Hello I need to write some code where I invoke ftp to another node and ftp a file from its directory to a directory that is on my system. Can this be done in perl (I suspect so) and what would be the best way to do it. This will help automate some backup work that needs to be done. Thanks,

Formatting Question

Hello I am sure the answer to this question is very simple. I have a number value which I am inserting into a string I am building. How can I append the number into the string so that it will always be 2 characters in length? In other words if the month is 9, how can I make it appear as 09?

File Properties

Hello Is it possible to write a script that will tell me whether a file has certain properties. I am using a commercial program for backing up software. Each file has an associated property that indicates whether it is to be backed up or whether it is backed up or nothing at all. I would

Read File Problem

Hello I am trying to read a text file with carriage returns and line feeds on a unix system and for some reason it will read only one of text. I use the same code in a different perl script and I can read a file that does not have carriage returns and line feeds. The existing code is : open

Re: learning perl 3rd vs 4th

Hello I have been reading files with the following command: @source_lines = (SOURCE_FILE); This has worked until I started reading some very large files. Is there a better way to read files? The files I am trying to read now are about 300 megabytes in size. The bad news is that the spec has

Re: How to Read Files? [was: Re: learning perl 3rd vs 4th]

Hello The spec does not allow for carriage returns or line feeds making it a long line. Is there a way to read x number of bytes? Andrew At 11:10 AM 5/25/2008, Rob Dixon wrote: Hi Andrew (If you are asking a new question of this group please make a fresh post with an appropriate subject

Extracting data from a string

Hello I have a string that I am trying to parse out into separate variables. I am having problems getting the first field extracted. I want to extract fields using period (.) and underline (_) delimineters. Here is the string aaa_b_c_.ddd The string is contained in $_. Here is my code

Downloadable and Online Perl Documentation

Hello i am looking for perl documenation that would aid in the determining what code to write and how to determine how one made a syntax error and also available functions. I need the documentation 2 formats. The first would be something that can be retrieved online for when I am online ( a

Re: Downloadable and Online Perl Documentation

How does one gunzip on a windows pc? At 13:16 2007-12-18, Ankur Gupta wrote: On Dec 19, 2007 2:40 AM, [EMAIL PROTECTED] wrote: Hello i am looking for perl documenation that would aid in the determining what code to write and how to determine how one made a syntax error and also available

Appending a backslash

Hello I have a string that I would like to append a \ onto the end of the string. I tried doing a $string_name.\n but it is not doing anything. Thanks, Andrew -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/

Date and Time and Function calls

Hello I am looking for a perl function or functions that will give me the date and time. I am going to use the results to create a unique file name. Andrew -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/

Explaination

Hello Can someone the reasoning why it is technically correct that when extracting a scalar item from an array that one must use $array_name[$index] instead of @array_name[$index] ? To me, the logical way is to use the array name with the symbol of array. It is my understanding that using

Building a string to contain a \

Hello I am trying to build a string that contains the following text dir c:\ /S so I can get a complete directory of all the files on drive C and put them into an array with the following line of code - @dir_list = 'dir c:\ /S`; Right now I have the following working: However, it is now

Parsing a string into an array

Hello I am getting a strange error where I am trying to split a string into an array. The string is a line obtained from doing a directory of a disk. The error message is: Reference to nonexistent group in regex; marked by -- HERE in m/ Directory of C :\Documents and

Split string into array

Hello I now got my directory listing into an array of strings. I would like to now split up the string into a an array of strings from the original string. For example, I might have a string of a b c d and I now want a 4 element array containing a, b, c, 'd. I did the following but it did

Re: Split string into array

:57,1,712,128,GdiPlus.dll as the elements of the array. Thanks, Andrew At 17:40 2007-11-17, Tom Phoenix wrote: On 11/16/07, AndrewMcHorney [EMAIL PROTECTED] wrote: I now got my directory listing into an array of strings. I would like to now split up the string into a an array of strings from

String Creation

Hello Here is the contents of the string I want to create: dir c: \ /S so I can get a complete list of all the files in a disk partition. How can I create this string? Andrew -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]

PC Directory Listing in Perl

Hello I am working on a perl script in which I want a complete directory listing of a drive partition. How can this be done in Perl? Right now my code reads : @file_list = `cd c:\;dir c:/s`; However I am getting the following error message: Extracting files in directoryThe filename,

String Length and Accessing Individual Characters

Hello I am working with strings and I have the following 2 questions. 1. How does one determine the length of a string? 2. How does one extract an individual character of a string? Andrew -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]

Extracting file name from full name

Hello I have a string that contains a full path and file name. What is the easiest way to extract the file name? For example the path is /dir1/dir2/dir3/file.txt. Andrew -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/

Open File - Read Only

Hello I appreciate the response to the last question. I have scripts that I have opened files and they work. However, I am failing on opens now because the file is read only. What is the way to open a file read only. Andrew -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional

Detecting string in string

Hello I am not an advanced perl programmer and I do not have my books with me. I want to determine if a string is within a string and to not process the string if the string is found. Could someone please provide a simple sample. Thanks, Andrew -- To unsubscribe, e-mail: [EMAIL PROTECTED]

Date and Time Functions

Hello I am looking for some simple perl functions that will return the current date and time in string format. The purpose is to create a file with part of the name being the date and time. Thanks, Andrew -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL

Date and Time Functions

Hello I am looking for some simple perl functions that will return the current date and time in string format. The purpose is to create a file with part of the name being the date and time. Thanks, Andrew -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL

Syntax Error

Hello I do not have my perl books with me and so I cannot diagnose the error I am getting with several if statements. Could someone assist? Here is the code: #! /bin/perl # # Create the files to delete list file # # # Find all the files # print Extracting files in directory; @file_list =

Downloadable Perl Manual

Hello Is there a downloadable manual for perl? I would like to download the manual onto my laptop before I go on vacation. I really want to avoid bringing extra books. Andrew -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]

Chomp method

Hello I am wondering how the chomp function works. I am looking to see how I can truncate new line and/or carriage returns from a string. Will chomp do nothing if there are no carriage return or line feed at the end. If the end of the string has a space will it leave it alone? Andrew --

Find Error Message

Hello I am working on a perl script and the 1st step is to get a list of all the files on the C drive. I am getting an error message - Can't stat c:*.*: No such file or directory Here is my perl script: use strict; use warnings; use File::Find; $| = 1; #Autoflush STDOUT #finddepth comes

File Finding

Hello I got the file command to work but it is not as complete as I would have hoped for. I was hoping to get the file size and directory of the file so I could put them into arrays. Is there a way I can do it with the find command? Andrew -- To unsubscribe, e-mail: [EMAIL PROTECTED] For

File::Find implementation

Hello: I got some advice on how to obtain a listing of all the files on a hard drive. The advice was to use File::find. I looked at the perl document and I am a little confused and so a simple example would be nice. I would like to get the file name, directory path, size and date of last

Dir Command to an array

Hello I would like to execute a dir */s command in windows and save the output into an array. I know I can do this in perl by doing executing the following command in a perl script: @allfiles = `find / -print`; How can do this in windows: Thanks, Andrew -- To unsubscribe, e-mail: [EMAIL

Active perl - Which format to download

Hello I am about to download the active perl software and I noticed that there are 2 formats. There is the AS package and the MSI package. What are the differences and which one is better? Also how does one install this program as I downloaded the AS package and did not see a setup program in

Running Perl on PC

Hello I learned Perl on a Unix System and I would like to use perl on a PC. Do I need to install active perl? What are the steps to running perl on a PC? Thanks, Andrew -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/

How Hard

Hello All: I have taken a little classroom work in perl. I believe it is very possible to write a perl script to read a text file, strip the carriage return and linefeed and write it to another file. How would the script look? Thanks, Andrew -- To unsubscribe, e-mail: [EMAIL PROTECTED]

Perl In Windows

I am starting a perl programming class next Tuesday. I know perl runs under unix. I would like to do some of the homework on windows. What do I need to download and install to execute perl programs under windows 98. I am looking for something for free, not a disk hog, easy to install and use.