10-27-2008
Tks for your replay. Here is the explanantion:
I am writing a script to install a embedded mini-linux via gentoo. The script is communicating with the user via kdialog.
I would have two chances - 1st. fix all parameter (e.g. projectname, path to project, selected libs (uclibc, glibs etc.) etc.) or 2nd. put all those parameter in a separate file.
This file is my config file file.txt it looks like this:
#### REM
#
#
# <1> Projectname
ProjectOne
#REM
# <2> Path to Project
/mnt/ProjectOne
# ....
So once I need a parameter e.g. the projectname the script can read it from the config file file.txt by find the contant starting with <...> add one line and read the result into a var.
But the user shall be able to change the parameters as well. E.g. he can offer a kdialog to define the project path. If this differ from the default, I would like to overwrite the choice e.g. /tmp/myproject/new in the config file by searching the # <2> ... constant add one line and overwrite the actual value.
My problem is that I do not know a tool in shell which is able to write into files as to a line order. SED maybe can but I do not have any experience with it.
Tks for your reply in advance
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LEARN ABOUT MOJAVE
projects
projects(1) User Commands projects(1)
NAME
projects - print project membership of user
SYNOPSIS
projects [-dv] [ user]
projects -l [projectname [projectname...]]
DESCRIPTION
The projects command prints on standard output the projects to which the invoking user or an optionally specified user belongs. Each user
belongs to some set of projects specified in the project(4) file and possibly in the associated NIS maps and LDAP databases for project
information.
OPTIONS
The following options are supported:
-d Prints only default project.
-l Prints verbose info on each project projectname. If no projectnames are given, info on all projects is printed.
-v Prints project descriptions along with project names.
OPERANDS
The following operand is supported:
projectnaDisplay information for the specified project.
user Displays project memberships for the specified user.
EXAMPLES
Example 1: Displaying Membership for a Specified User
example$ projects paul
default beatles wings
example$ projects ringo
default beatles
example$ projects -d paul
beatles
EXIT STATUS
The following exit values are returned:
0 Successful completion.
1 A fatal error occurred during execution.
2 Invalid command line options were specified.
FILES
/etc/project Local database containing valid project definitions for this machine.
ATTRIBUTES
See attributes(5) for a description of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWcsu |
+-----------------------------+-----------------------------+
|Stability |See below. |
+-----------------------------+-----------------------------+
The invocation is Evolving. The human-readable output is Unstable.
SEE ALSO
getdefaultproj(3PROJECT), getprojent(3PROJECT), project(4), attributes(5)
SunOS 5.10 13 May 2004 projects(1)