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Full Discussion: Shell Script to replace tokens in multiple files
Top Forums Shell Programming and Scripting Shell Script to replace tokens in multiple files Post 302251614 by cbo0485 on Monday 27th of October 2008 01:57:36 PM
Old 10-27-2008
Quote:
Originally Posted by rubin
The replacement part itself ( replaceScript.sh script ) is not very hard. The point is that the *ABC scripts will be running multiple times, and after their first change through the replacement script, there won't be any more tags @..@ left in them ( or am I missing something here ? ), and you need to change those values back again in the future.

Code:
    before 			after
VAR_MAN_NAME="@MAN_NAME@"  VAR_MAN_NAME=other         NO more tags @..@!
VAR_PORT_NUM="@PORT_NUM@"  VAR_PORT_NUM=1001 
VAR_TEST_NUM="@TEST_NUM@"  VAR_TEST_NUM=20

So how are you planning to rechange the new values ( other,1001,20,...) to the old tag values @..@, for the next run ?

Are the variable names VAR_MAN_NAME, VAR_PORT_NUM,..., the same in all *ABC scripts ? If so, you can replace their values based on their unique names in all the files.

Another way, you might use their same record number ( NR ) in all the files, if they are in the same position.

I think you need to provide more details about the unique properties of these variables.
I didn't explain this part very well.

The ABC scripts I have in a separate directory. What I'm going to do is copy all those ABC scripts to a different directory along with the replace.sh script. Then I'll run the replace script. So I'll still have the originals untouched, and then the new ones are what I'll use for that. Then I can do the same thing with the original ABC scripts, whenever I need to replace the @...@ tokens with something else.

Edit:

to add to that, the name of the scripts are always going to be static, and won't change, that's why I just want to copy them to a temp directory, run the script, and then I can do what I need to with them. No need to rename the files or anything like that.
Last edited by cbo0485; 10-27-2008 at 03:03 PM..
 

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LEARN ABOUT OPENSOLARIS

script

script(1)							   User Commands							 script(1)

NAME

       script - make record of a terminal session

SYNOPSIS

       script [-a] [filename]

DESCRIPTION

       The  script  utility  makes a record of everything printed on your screen. The record is written to filename. If no file name is given, the
       record is saved in the file typescript. See WARNINGS.

       The script command forks and creates a sub-shell, according to the value of $SHELL, and records the text from this session. The script ends
       when the forked shell exits or when Control-d is typed.

OPTIONS

       The following option is supported:

       -a    Appends the session record to filename, rather than overwriting it.

NOTES

       script places everything that appears on the screen in filename, including prompts.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+
       |CSI			     |Enabled			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       attributes(5)

WARNINGS

       script  can  pose  a  security risk when used in directories that are writable by other users (for example, /tmp), especially when run by a
       privileged user, that is, root. Be sure that typescript is not a link before running script.

SunOS 5.11							    30 Jan 2004 							 script(1)
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