Count Number Of lines in text files and append values to beginning of file Post: 302517458

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Top Forums UNIX for Dummies Questions & Answers Count Number Of lines in text files and append values to beginning of file Post 302517458 by motoxeryz125 on Tuesday 26th of April 2011 10:27:24 PM

04-26-2011

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Count Number Of lines in text files and append values to beginning of file

Hello,

I have 50 text files in a directory called "AllFiles"

I want to make a program that will go inside of the "AllFiles" Directory and count the number of lines in each individual text file. Then, the program will calculate how many more lines there are over 400 in each text file and append this information to the beginning of each text file.

For example, lets say i have 5 files in a directory in the "AllFiles" directory:

file1.txt ---has 500 lines
file2.txt ---has 600 lines
file3.txt ---has 550 lines
file4.txt ---has 700 lines
file5.txt ---has 480 lines

The result of the program should be this:

The first line of file1.txt should read: "there are 400 lines in this file and 100 bonus lines"
The first line of file2.txt should read: "there are 400 lines in this file and 200 bonus lines"
The first line of file3.txt should read: "there are 400 lines in this file and 150 bonus lines"
The first line of file4.txt should read: "there are 400 lines in this file and 300 bonus lines"
The first line of file5.txt should read: "there are 400 lines in this file and 80 bonus lines"

Is there any way that i can do this using the command prompt?

I have tried using 'sed' to do this, but i guess i am missing several necessary libraries. I have GNUwin32. I downloaded the program from gnuwin32DOTsourceforgeDOTnet/packages/sedDOThtm. I downloaded and installed the "completed package, except resources" file and "resources" file.

But, i really have no idea how to use sed. I have tried a couple command prompt line items, but most of them end up in errors.

I don't have visual studio, but i do have the Microsoft office Visual Basic editor, and i have tried a few basic things to do this with no success.

Any ideas would be greatly appreciated.

If it matters, my computers operating system is Windows 7.

motoxeryz125

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LEARN ABOUT HPUX

merge

merge(1)						      General Commands Manual							  merge(1)

NAME

       merge - three-way file merge

SYNOPSIS

       file1 file2 file3

DESCRIPTION

       combines  two  files  that are revisions of a single original file.  The original file is file2, and the revised files are file1 and file3.
       identifies all changes that lead from file2 to file3 and from file2 to file1, then deposits the merged text into file1.	If the	option	is
       used, the result goes to standard output instead of file1.

       An  overlap  occurs  if both file1 and file3 have changes in the same place.  prints how many overlaps occurred, and includes both alterna-
       tives in the result.  The alternatives are delimited as follows:

	      lines in file1
	      lines in file3

       If there are overlaps, edit the result in file1 and delete one of the alternatives.

       This command is particularly useful for revision control, especially if file1 and file3 are the ends of two branches that have file2  as  a
       common ancestor.

EXAMPLES

       A typical use for is as follows:

	      1.   To  merge  an  RCS branch into the trunk, first check out the three different versions from RCS (see co(1)) and rename them for
		   their revision numbers: 5.2, 5.11, and 5.2.3.3.  File 5.2.3.3 is the end of an RCS branch that split off the trunk at file 5.2.

	      2.   For this example, assume file 5.11 is the latest version on the trunk, and is also a revision  of  the  "original"  file,  5.2.
		   Merge the branch into the trunk with the command:

	      3.   File  5.11  now  contains  all  changes  made on the branch and the trunk, and has markings in the file to show all overlapping
		   changes.

	      4.   Edit file 5.11 to correct the overlaps, then use the command to check the file back in (see ci(1)).

WARNINGS

       uses the ed(1) system editor.  Therefore, the file size limits of ed(1) apply to

AUTHOR

       was developed by Walter F. Tichy.

SEE ALSO

       diff3(1), diff(1), rcsmerge(1), co(1).

																	  merge(1)

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