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Shell Programming and Scripting

Print #of lines after search string in a big file

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Top Forums Shell Programming and Scripting Print #of lines after search string in a big file
# 8  
Old 08-19-2010
Quote:
Originally Posted by prash184u
...But I just want the 3 and 5 lines in this case. I want to break the print if it hits the blank line.
Code:
$
$
$ cat -n f1
     1  MT:Exception caught
     2  The following Numbers were affected:
     3  1234
     4  2345
     5  2346
     6
     7  Error
     8  java.lang.InternalError: Can't connect to X11
     9        Exception caught
    10
    11  The following numbers were affected:
    12  11111
    13  22222
    14  33333
    15  44444
    16  55555
    17
    18  java.lang.InternalError: Can't connect to
$
$
$ # If you want to print just the affected numbers, then -
$
$ perl -lne 'if (/^The following numbers were affected:/i){$x=1} elsif(/^\s*$/){$x=0} elsif($x) {print}' f1
1234
2345
2346
11111
22222
33333
44444
55555
$
$
$ # If you want to print the message as well as the affected numbers, then -
$
$ perl -lne 'if (/^The following numbers were affected:/i){print; $x=1} elsif(/^\s*$/){$x=0} elsif($x) {print}' f1
The following Numbers were affected:
1234
2345
2346
The following numbers were affected:
11111
22222
33333
44444
55555
$
$

tyler_durden
This User Gave Thanks to durden_tyler For This Post:
prash184u
# 9  
Old 08-19-2010
Thank you so much Durden_Tyler... GR8 help....
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