1. Shell Programming and Scripting

I wanted to use GAWK's 'word boundary' feature but can't get it to work. Doesn't GAWK support \<word\>? Sample record: Title Bats in the fifth act of Chushingura (top); the... (6 Replies)

2. Programming

Hello, In shared memory, when using shmget function, first parameter is ket_t key. I know it is an integer type, but length of it is system dependent. That means may not be have integer's ranges. What is range of key_t in Linux? Is it different in distros, for example in ubuntu & fedora? (2 Replies)

3. UNIX for Dummies Questions & Answers

Hi All..I need a help i am trying to find a word using below script whereas the word exists in my file nitin.txt as a directory but still i am getting "word not found" output..Your suggestions welcomed.: #to check for existence of nitin #!/bin/bash cd /apps/uat1/deploy/app ls -lrt >... (4 Replies)

4. UNIX for Advanced & Expert Users

Hi, Putting across a few awk expressions. Apart from the last, all of them are working. echo a/b/c | awk -F'/b/c$' '{print $1}' a echo a/b/c++ | awk -F'/b/c++' '{print $1}' a echo a/b/c++ | awk -F'/b/c++$' '{print $1}' a/b/c++ Request thoughts on why putting a '$' post double ++... (12 Replies)

5. UNIX for Dummies Questions & Answers

I have a file that has the words I want to find in other files (but lets say I just want to find my words in a single file). Those words are IDs, so if my word is ZZZ4, outputs like aaZZZ4, ZZZ4bb, aaZZZ4bb, ZZ4, ZZZ, ZyZ4, ZZZ4.8 (or anything like that) WON'T BE USEFUL. I need the whole word... (6 Replies)

6. Shell Programming and Scripting

Hello, everyone. I am having trouble figuring out sed command which emulates uniq. The task I want to do is that 2 consecutive lines in file should be considered the same using the first word only. Example: cat tmp.txt ddd eee aaa bbb ccc ddd eee fff asd fdd asd fdd bbb aaa bbb asd fgh... (4 Replies)

7. Shell Programming and Scripting

SOLVED, thank you! Edit2: Good news everyone, I managed to get it down to a "simple" problem, but I still have some syntax issues. Here is the code which troubles me: awk 'BEGIN{x2=0;x1=0;crit=0;} $1 < 1000000 {x2=$4; diffx=x2-x1; x1=x2; diffx > 3.6 ? {crit=1} : {crit=0};... (2 Replies)

8. Shell Programming and Scripting

Hi Experts, Can you please advise , why I am not able to make it work, or why this is not working: I spent quite a lot of time on this figuring out , but not working, file : This is a test file thanks for your reply This is another file again Have a nice day this is a small file... (3 Replies)

9. Shell Programming and Scripting

echo {mbr_key,grp_key,dep_key,abc,xyz,aaa,ccc} | awk 'gsub(/^|abc,|$/,"") {print}' Required output {grp_key,xyz,aaa,ccc} (5 Replies)

10. UNIX for Beginners Questions & Answers

I have a multicolumn text file with header in the first row like this The headers are stored in an array called . which contains I want to search for each elements of this array from that multicolumn text file. And I am using this awk approach for ii in ${hdr} do gawk -vcol="$ii" -F... (1 Reply)