How to grep this pattern??


 
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# 8  
Old 02-20-2008
Jim,
Is it possible to get zero or more white spaces b4 the pattern??

Bez i have a file which looks like this.......
File Content :
---------------
package com.att.iom; line 1
[single space]package com.att.iom; line 2
[double space]package com.att.iom; line 3
package com.att.iom; line 4
something package com.att.iom;..... ##but I don't need this line line 5
[single space]package com.att.iom; line 6
something something package com.att.iom;##but I don't need this line line 7
package com.att.iom; line8
--------------------------

I need the o/p like this :
-----------------------
package com.att.iom; line 1
[single space]package com.att.iom; line 2
[double space]package com.att.iom; line 3
package com.att.iom; line 4
[single space]package com.att.iom; line 6
package com.att.iom; line8
------------------------

If it is possible then pls help me out........

thanks,
Saravana
# 9  
Old 02-20-2008
Quote:
Originally Posted by askumarece
Jim,
Is it possible to get zero or more white spaces b4 the pattern??

Bez i have a file which looks like this.......
File Content :
---------------
package com.att.iom; line 1
[single space]package com.att.iom; line 2
[double space]package com.att.iom; line 3
package com.att.iom; line 4
something package com.att.iom;..... ##but I don't need this line line 5
[single space]package com.att.iom; line 6
something something package com.att.iom;##but I don't need this line line 7
package com.att.iom; line8
--------------------------

I need the o/p like this :
-----------------------
package com.att.iom; line 1
[single space]package com.att.iom; line 2
[double space]package com.att.iom; line 3
package com.att.iom; line 4
[single space]package com.att.iom; line 6
package com.att.iom; line8
------------------------

If it is possible then pls help me out........

thanks,
Saravana
In jim's last post, there are 5 grep solutions. Did you try using those ? One of those does what you want.
# 10  
Old 02-20-2008
Yeah I tried.... But it is ignoring the lines which are being stored with tab insteadof space.....
for eg:
if i have the following lines in my file :
package com.att.iom; line 1
[space][space]package com.att.iom; line 2
[space] package com.att.iom; line 3
[space][space][space][space] package com.att.iom; line 4
something package com.att.iom;..... ##but I don't need this line line 5
[tab][tab]package com.att.iom; line 6 Here No space at begining of the line
something something package com.att.iom;##but I don't need this line line 7
package com.att.iom; line8

here is the o/p while I run this grep cmd:
---------------------------------
sa156s@::/export/home/sa156s> grep '^[ \t]*package com.att.iom;' file
package com.att.iom; line 1
package com.att.iom; line 2
package com.att.iom; line 3
package com.att.iom; line 4
package com.att.iom; line8
---------------------------------
it is ignoring the line #:6, but how to grep including that one also......


Saravana
# 11  
Old 02-20-2008
Quote:
Originally Posted by askumarece
Yeah I tried.... But it is ignoring the lines which are being stored with tab insteadof space.....
for eg:
if i have the following lines in my file :
package com.att.iom; line 1
[space][space]package com.att.iom; line 2
[space] package com.att.iom; line 3
[space][space][space][space] package com.att.iom; line 4
something package com.att.iom;..... ##but I don't need this line line 5
[tab][tab]package com.att.iom; line 6 Here No space at begining of the line
something something package com.att.iom;##but I don't need this line line 7
package com.att.iom; line8

here is the o/p while I run this grep cmd:
---------------------------------
sa156s@::/export/home/sa156s> grep '^[ \t]*package com.att.iom;' file
package com.att.iom; line 1
package com.att.iom; line 2
package com.att.iom; line 3
package com.att.iom; line 4
package com.att.iom; line8
---------------------------------
it is ignoring the line #:6, but how to grep including that one also......


Saravana
That works well for me. Try escaping the backslash.
Code:
grep '^[ \\t]*package com.att.iom;' file

# 12  
Old 02-20-2008
Vino,
see the o/p : Which I got line #6 is not there.... How to grep including the lines which starts with [tab]....
O/P:
----
sa156s@::/export/home/sa156s> grep '^[ \\t]*package com.att.iom;' file
package com.att.iom; line 1
package com.att.iom; line 2
package com.att.iom; line 3
package com.att.iom; line 4
package com.att.iom; line8
sa156s@::/export/home/sa156s>
----

Saravana
# 13  
Old 02-20-2008
On that file, can you do the following ?

Code:
head -6 file | tail -1 | od -a

where the -6 means the 6th line. This will show us what the 6th line contains.
# 14  
Old 02-20-2008
Quote:
Originally Posted by vino
On that file, can you do the following ?

Code:
head -6 file | tail -1 | od -a

where the -6 means the 6th line. This will show us what the 6th line contains.
This is the file contents :
------------------------
package com.att.iom; line 1
[space][space]package com.att.iom; line 2
[space] package com.att.iom; line 3
[space][space][space][space] package com.att.iom; line 4
something package com.att.iom;..... ##but I don't need this line line 5
[tab][tab]package com.att.iom; line 6 Here No space at begining of the line
something something package com.att.iom;##but I don't need this line line 7
package com.att.iom; line8
------------------------
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