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Parsing dynamic data from a command output

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# 1  
Old 03-02-2010
Parsing dynamic data from a command output
Hi people,
I am writing a korn shell script, and one of the command gives an output something like below:
Code:
release.label.2010.03.02
objects: 
/project/path/to/some/file_name.ksh
/project/path/another/file_name01.dat

I have to retrieve the file paths one by one & use them as input for another command. any suggestions?

Would appreciate if someone can post a string parsing code for this.
Last edited by Scott; 03-03-2010 at 12:53 PM.. Reason: Code tags
# 2  
Old 03-02-2010
Quote:
Originally Posted by kiwin1000
...one of the command gives an output something like below:
--------------
release.label.2010.03.02
objects:
/project/path/to/some/file_name.ksh
/project/path/another/file_name01.dat
--------------
So you have something like this:

Code:
$ 
$ mycommand
release.label.2010.03.02
objects:
/project/path/to/some/file_name.ksh
/project/path/another/file_name01.dat
$ 
$

Quote:
...
I have to retrieve the file paths one by one
...
Code:
$ 
$ mycommand | grep -E "(ksh|dat)$"
/project/path/to/some/file_name.ksh
/project/path/another/file_name01.dat
$ 
$

Quote:
...
& use them as input for another command. ...
Code:
$ 
$ 
$ mycommand | grep -E "(ksh|dat)$" | myothercommand
I received /project/path/to/some/file_name.ksh; I am now going to open this file...
I received /project/path/another/file_name01.dat; I am now going to open this file...
$ 
$

tyler_durden
# 3  
Old 03-03-2010
Hi durden,
The output files cud be anything like .mp, .ksh, .dml. What I was thinking is I will put the output of the first command to a variable. so everything is in a string format now. So i need a logic now where I can retrieve the file paths & input them one by one in the 2nd command.

is there a way i can retrieve substring which starts with a char "/" & ending char the one before a space. i hope u getting what m trying to say. in that way i can looking for another "/" & retrieve the path
# 4  
Old 03-03-2010
Why dont you just redirect the o/p of the first command in a temp file, and then filter the ones and used as an i/p for the next command?
# 5  
Old 03-03-2010
yes I can do that as well, but whats the logic of filtering? cause All i want from that is the file paths. but it also displays other information like the release label & objects:
# 6  
Old 03-03-2010
We need to store the output of the first command to a temp file. filtering in the sense from the temp file we are going to extract the file names. We can extract it by using the regular expressions. And then we are going to pass it as an input for the second command. What is the issue in this?
# 7  
Old 03-03-2010
the issue is m a beginner to shell scripting. dont know the exact commands. would appreciate if some one cud post a script for it
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