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Old 07-16-2009, 01:16 AM   #1
akelder
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Registered: Jan 2007
Distribution: debian on servers, ubuntu on desktops/laptops
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Question find values and increment

Let's say I've got:

Quote:
'-------------------------
Lorem ipsum dolor 1800 sit amet
Lorem ipsum dolor sit 1800 amet
Lorem ipsum dolor 1800 sit amet
Lorem ipsum 1800 dolor sit amet
'-------------------------
Lorem ipsum dolor 1800 sit amet
Lorem ipsum dolor sit 1800 amet
Lorem ipsum dolor 1800 sit amet
Lorem ipsum 1800 dolor sit amet
'-------------------------
Lorem ipsum dolor 1800 sit amet
Lorem ipsum dolor sit 1800 amet
Lorem ipsum dolor 1800 sit amet
Lorem ipsum 1800 dolor sit amet
'-------------------------
And I need it to become:

Quote:
'-------------------------
Lorem ipsum dolor 1800 sit amet
Lorem ipsum dolor sit 1800 amet
Lorem ipsum dolor 1800 sit amet
Lorem ipsum 1800 dolor sit amet
'-------------------------
Lorem ipsum dolor 1801 sit amet
Lorem ipsum dolor sit 1801 amet
Lorem ipsum dolor 1801 sit amet
Lorem ipsum 1801 dolor sit amet
'-------------------------
Lorem ipsum dolor 1802 sit amet
Lorem ipsum dolor sit 1802 amet
Lorem ipsum dolor 1802 sit amet
Lorem ipsum 1802 dolor sit amet
'-------------------------
Possible with awk, sed or perl?
 
Old 07-16-2009, 02:21 AM   #2
chrism01
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Yes: show us what you've tried so far.
 
Old 07-16-2009, 02:29 AM   #3
PMP
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Registered: Apr 2009
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Code:
perl -e '$cnt=-1; while(<>){if($_=~/-------/){++$cnt;};$_=~ s/(\d+)/$1+$cnt/e;print}' <filename>
Last edited by PMP; 07-16-2009 at 04:58 AM.
 
Old 07-16-2009, 03:30 AM   #4
ghostdog74
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Registered: Aug 2006
Posts: 2,697
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Code:
awk 'BEGIN{RS="\047--*"}NR==2{val=$4;o=$4}NR>1{gsub(o,val++);print RT,$0}' file
 
  


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