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hi ..all I have an urgency of doing some task so I am posting here...please help

i tried this ...its not working properly

awk '{if($1>p)print $0;else $1=$2="*";print $0}'pls find attachment
...

Does anyone know how to create chapter in pdf

I have 3 pdf, each pdf contains about 25 pages, I want to create 3 chapter in single pdf, and inside each chapter I want to give link to main index
...

That is because column 1 has 0
Either a zero or any value which is less than previous would be considered as new data
for example
0 xx data 1
1 xx data 1
2 xx data 1
3 xx data 1
2 xx data...

Hi! all

can any one tell me how to compare current record of column with next and previous record in awk without using array

my case is like this

input.txt
0 32
1 26
2 27
3 34
4 26
5...

Thank you Yoda

---------- Post updated at 12:20 PM ---------- Previous update was at 12:17 PM ----------

Thank you Don Cragun (https://www.unix.com/members/302122727.html), I will try, If its...

Thank you

both are working, but if suppose file is space separated, or tab separated or else mix of space,tab and |, what I need to do ?
and what does }1' mean ? please describe I am new to unix...

Hi ! programmers

I have a need of detecting empty field in file
my file looks like this

40.900|-71.600|1.6|20|1|1961|21.00|3.700||1|US|28035|10029370|31...

no not helping me my ref file is not in order..its creating new file but not writing number to userfile

Dear All !

I would like to compare my database ref file with other files

my ref file looks like this

15-12-1996 21-2-2024 12 34,000 888 976 1
15-12-1994 21-2-2026 12 35,000 885 977 2...

Thank you Scrutinizer and Akshay.. Scrutinizer's method is effiecient I feel..when there is multiple files, multiple fields...

I had gone through..google search.....and unix user post.......where I found so many ways of accessing files..... suppose if I am having 4 files, each file is having 3 columns, and I want to use...