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

Registered User

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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diff

DIFF(1) 						      General Commands Manual							   DIFF(1)

NAME

       diff - print differences between two files

SYNOPSIS

       diff   [-c | -e | -C n] [-br]file1 file2

OPTIONS

       -C n   Produce output that contains n lines of context

       -b     Ignore white space when comparing

       -c     Produce output that contains three lines of context

       -e     Produce an ed-script to convert file1 into file2

       -r     Apply diff recursively to files and directories of

EXAMPLES

       diff file1 file2    # Print differences between 2 files

       diff -C 0 file1 file2
			   # Same as above

       diff -C 3 file1 file2
			   # Output three lines of context with every

       diff -c file1 file2 # Same

       diff /etc /dev	   # Compares recursively the directories /etc and /dev

       diff passwd /etc    # Compares ./passwd to /etc/passwd

DESCRIPTION

       the same name, when file1 and file2 are both directories" difference encountered"

       Diff  compares  two files and generates a list of lines telling how the two files differ.  Lines may not be longer than 128 characters.	If
       the two	arguments on the command line are both directories, diff recursively steps through all subdirectories comparing files of the  same
       name.  If  a  file  name is found only in one directory, a diagnostic message is written to stdout. A file that is of either block special,
       character special or FIFO special type, cannot be compared to any other file.  On the other hand, if there is one directory  and  one  file
       given on the command line, diff tries to compare the file with the same name as file in the directory directory.

SEE ALSO

       cdiff(1), cmp(1), comm(1), patch(1).

																	   DIFF(1)

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