Sponsored Content
Top Forums Programming Editing a specific liine of text file - C++ Post 302449747 by hakermania on Tuesday 31st of August 2010 10:56:01 AM
Old 08-31-2010
Question Editing a specific liine of text file - C++

Is there any way to erase all the contents of a specific line of a text file and then write something on it?
e.g.
test.txt.old:

qwert
asdfg
zxcbv=0


test.txt.new

qwerty
asdfg
hello=0

is this possible with C++ ?Smilie
 

9 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

text file editing

Hi, I need some help in text manipulation. I have an input file like this: 7629 "WPCW 19 - CW/AM1, WPCB 40 - FAMN/CORNER, WPCB-DT1 50 - FAMN/CORNER, " W35AW - Various Shopping Pgms W41CF - TBN W47CV - TBN WLLS-LP 49 - AM1 WATCH WPXI 11 N & WPIX 11 CW 1234 "WPCW 19 - CW/AM1,... (26 Replies)
Discussion started by: injeti
26 Replies

2. Shell Programming and Scripting

Adding specific text and spaces to each line in a text file

Hi, I wanted to add specific text to each row in a text file containing three rows. Example: 0 8 7 6 5 5 7 8 9 0 7 9 7 8 9 0 1 2 And I want to add a 21 at the beginning of the first row, and blank spaces at the beginning of the second two rows. To get this: 21 0 8 7 6 5 5 7 8... (4 Replies)
Discussion started by: hertingm
4 Replies

3. Shell Programming and Scripting

[bash help]Adding multiple lines of text into a specific spot into a text file

I am attempting to insert multiple lines of text into a specific place in a text file based on the lines above or below it. For example, Here is a portion of a zone file. IN NS ns1.domain.tld. IN NS ns2.domain.tld. IN ... (2 Replies)
Discussion started by: cdn_humbucker
2 Replies

4. Shell Programming and Scripting

Assigning a specific format to a specific column in a text file using awk and printf

Hi, I have the following text file: 8 T1mapping_flip02 ok 128 108 30 1 665000-000008-000001.dcm 9 T1mapping_flip05 ok 128 108 30 1 665000-000009-000001.dcm 10 T1mapping_flip10 ok 128 108 30 1 665000-000010-000001.dcm 11 T1mapping_flip15 ok 128 108 30... (2 Replies)
Discussion started by: goodbenito
2 Replies

5. Shell Programming and Scripting

editing line in text file adding number to value in file

I have a text file that has data like: Data "12345#22" Fred ID 12345 Age 45 Wilma Dino Data "123#22" Tarzan ID 123 Age 33 Jane I need to figure out a way of adding 1,000,000 to the specific lines (always same format) in the file, so it becomes: Data "1012345#22" Fred ID... (16 Replies)
Discussion started by: say170
16 Replies

6. Shell Programming and Scripting

Extract specific line in an html file starting and ending with specific pattern to a text file

Hi This is my first post and I'm just a beginner. So please be nice to me. I have a couple of html files where a pattern beginning with "http://www.site.com" and ending with "/resource.dat" is present on every 241st line. How do I extract this to a new text file? I have tried sed -n 241,241p... (13 Replies)
Discussion started by: dejavo
13 Replies

7. Shell Programming and Scripting

Help needed editing text file using the terminal

Hi, I have text file with the header like this tracking_id condition replicate FPKM XLOC_000001 alpha 1 10.3199 XLOC_000001 alpha 0 10.3686 XLOC_000001 alpha 2 15.5619 ... With the first column being genes, the second being the condition, the third... (5 Replies)
Discussion started by: 4galaxy7
5 Replies

8. Shell Programming and Scripting

Convert vi editing to text editing

Dear Guru's I'm using Putty and want to edit a file. I know we generally use vi editor to do it. As I'm not good in using vi editor, I want to convert the vi into something like text pad. Is there any option in Putty to do the same ? Thanks for your response. Srini (6 Replies)
Discussion started by: thummi9090
6 Replies

9. UNIX for Dummies Questions & Answers

Editing long text file

Good morning all, I have a machine running IRIX and I need to edit a text file on the terminal that is literally thousands of lines. Does anyone know the most efficient way to edit portions of files like these? Obviously simply using the vi command isn't going to work since I get a too many lines... (1 Reply)
Discussion started by: James C
1 Replies
gedit(1)							   User Commands							  gedit(1)

NAME
gnome-text-editor, gedit - Limited functionality text editor for the GNOME desktop. SYNOPSIS
gnome-text-editor [--debug [-section]] [gnome-std-options] [--help] [--new-document] [--new-window] [--quit] [filename] gedit [--debug [-section]] [gnome-std-options] [--help] [--new-document] [--new-window] [--quit] [filename] DESCRIPTION
The gnome-text-editor application is a text editor for the GNOME desktop. The application is also called gedit. You can use gedit as a shorter command to start the application. The application enables you to edit multiple documents at the same time. Each document resides in a specific tabbed section of the application window. When you start the application from the command line, you can specify one or more filenames. When gedit starts, the application opens all files that you list on the command line. OPTIONS
The following options are supported: --debug [-section] Run gedit in debug mode. In debug mode all the functions that are being called dump the function names to the con- sole. You can specify the following sections for debugging: o window o commands o document o file o plugins o prefs o print o search o undo o view o recent Run gedit --help for more information. gnome-std-options Standard options available for use with most GNOME applications. See gnome-std-options(5) for more information. --help Print the command line options. --new-document Create a new top-level document or tabbed section in an existing instance of gedit. --new-window Create a new top-level window in an existing instance of gedit. --quit Quit an existing instance of gedit. EXTENDED DESCRIPTION
The gedit application accepts pipes, so you can specify a pipe after another command, to load the output of the command into gedit. For example: example% ls -l | gedit EXAMPLES
Example 1: To Edit an ASCII File Named document.txt example% gedit document.txt Example 2: To Add a New Tab That Contains an ASCII File Named book.txt example% gedit --new-document book.txt Example 3: To Add a New Top-Level Window That Contains an ASCII File Named testfile.txt example% gedit --new-window testfile.txt EXIT STATUS
The following exit values are returned: 0 Application exited successfully. >0 An error occurred. FILES
The following files are used by this application: /usr/bin/gnome-text-editor The executable file for the gnome-text-editor application. /usr/bin/gedit A symbolic link to the gnome-text-editor executable file. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWgnome-text-editor | +-----------------------------+-----------------------------+ | | | +-----------------------------+-----------------------------+ |Interface stability |External | +-----------------------------+-----------------------------+ SEE ALSO
gnome-std-options(5), libgtksourceview-1.0(3) Online Help gedit manual. NOTES
This man page was written by the following people: Paolo Maggi, Chema Celorio, James Willcox, Federico Mena Quintero. Updated by Brian Cameron, Sun Microsystems Inc., 2003, 2004. SunOS 5.10 31 Aug 2004 gedit(1)
All times are GMT -4. The time now is 04:27 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy