1. UNIX for Dummies Questions & Answers

Hi, How do i grep unique occurrences from a file. I have a log file with multiple occurrences of 'foo' for instance. When i do: grep foo, I get all the lines that contain foo. Is there any way to get only one line for foo? Example file: foo at 09.01am Fri 11 May 2007 foo at 09.13am... (6 Replies)

2. Shell Programming and Scripting

If i want to grep for a value in a file but display only unique value then which option can i use. ex: Values in the file IP <1.2.3.4> value <2> IP <1.2.3.4> value <2> IP <1.2.3.4> value <3> IP <1.2.3.5> value <1> i should get only the unique value (3 Replies)

3. Shell Programming and Scripting

Hi all! Im wondering if its possible to remove all lines between two lines. Im working with a document like this: data1 data2 <Remove> data3 data4 </Remove> data5 data6 I need it to end up like this if that possible: data1 data2 data5 data6 There are multiple instances of... (2 Replies)

4. UNIX for Dummies Questions & Answers

Hello, I have a file with a list of car makes and specific information for each make. An example is: @Audi:Warranty @Audi:Pricing @Audi:Colors @Acura:Warranty @Acura:Pricing @Acura:Colors and so on through a bunch of makes. I need to make a list in a selection box of just one name of... (4 Replies)

5. UNIX for Advanced & Expert Users

Hi All, I have a very huge file (4GB) which has duplicate lines. I want to delete duplicate lines leaving unique lines. Sort, uniq, awk '!x++' are not working as its running out of buffer space. I dont know if this works : I want to read each line of the File in a For Loop, and want to... (16 Replies)

6. Shell Programming and Scripting

Hi folks! I'm new to the unix-side of the world! ;) and I'm trying to learn as much as possible the good stuff that's in it! So.. here comes the point.. as you can see in the title, I need to copy a file but truncating it so that last 1-2 lines are not copied... any suggests from the... (6 Replies)

7. Shell Programming and Scripting

Hello to all, happy new year 2013! May somebody could help me, is about a very similar problem to the problem I've posted here where the member rdrtx1 and bipinajith helped me a lot. https://www.unix.com/shell-programming-scripting/211147-map-values-blocks-single-line-2.html It is very... (3 Replies)

8. Shell Programming and Scripting

Hi Gents, I am having a xml request, I need to match the entire paragraph in unix regex. Can some one please provide me the regex for unix. I need to embed this in a shell script. Below is the XML. I am bit weak in regular expression. Regex *testameykamble* here testameykamble is my key... (8 Replies)

9. UNIX for Dummies Questions & Answers

I would like to print unique lines without sort or unique. Unfortunately the server I am working on does not have sort or unique. I have not been able to contact the administrator of the server to ask him to add it for several weeks. (7 Replies)