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grep and regular expression


 
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# 1  
grep and regular expression

Hi,

I am executing a svnlook command to check to see if the following line exists. I need a regular expression to represent the line.

Code:
A /test/test1/qa/test2/index.html
A /test/test1/qa/test3/test.jpg
A /test/test1/qa/test3/test1.jpg
A /test/test1/qa/test4/test.swf

I just need to extract the first line with index.html.

this is what i cud get so far but does not filter out the lne only with index.html
Code:
echo "A /content/qa/test/index.html" | grep "^A [A-Za-z0-9/_]"

thanks in advance.

KM

Last edited by Scott; 02-23-2010 at 07:34 PM.. Reason: Please use code tags
# 2  
Hi, I don't understand if you need only the line ending with "index.html" or even the full path, so I wrote this tu regexp

Code:
 grep "\/test\/test1\/qa\/test2\/index\.html"
 grep "index\.html$"



---------- Post updated at 05:58 PM ---------- Previous update was at 05:57 PM ----------

Sorry, in first regexp you can delete the escape char \

[CODE]
grep "/test/test1/qa/test2/index\.html"
[\CODE]
# 3  
Thanks kcoder24 for your quick response.

yes i need to check the first letter to be "A" and the last word to be index.html.

Thanks.
# 4  
I'm not familiar with svnlook, will this work?
Code:
grep ^A.*html$

Code:
^ - beginning of line
.* - acts as wildcard
$ - end of line 

test..

# echo "A /test/test1/qa/test2/index.html
> A /test/test1/qa/test3/test.jpg
> A /test/test1/qa/test3/test1.jpg
> A /test/test1/qa/test4/test.swf
> html
> A
> html A
> A blah blah html" | grep ^A.*html$
A /test/test1/qa/test2/index.html
A blah blah html
#

# 5  
Or

Code:
sed -n '/^A.*index\.html/p' file

cheers,
Devaraj Takhellambam
# 6  
Quote:
Originally Posted by kminkeller
...
yes i need to check the first letter to be "A" and the last word to be index.html.
...
Code:
$ 
$ cat f9
A /test/test1/qa/test2/index.html
A /test/test1/qa/test3/test.jpg
A /test/test1/qa/test3/test1.jpg
A /test/test1/qa/test4/test.swf
$ 
$ # awk
$ awk '/^A .*index.html/' f9
A /test/test1/qa/test2/index.html
$ 
$ # perl
$ perl -lne '/^A .*index.html/ && print' f9
A /test/test1/qa/test2/index.html
$ 
$ # grep
$ grep "^A .*index.html" f9
A /test/test1/qa/test2/index.html
$ 
$

tyler_durden
# 7  
Thanks all the guys and thanks to Fubaya. That worked for me. simple and short. i will try others as well.

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