08-31-2010
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++ ?
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LEARN ABOUT SUNOS
gnome-text-editor
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)