1. Shell Programming and Scripting

Hi guys, I hope you can help me with my problem. I have a text file that contains lines like this: 78 ANGELO -809.05 79 ANGELO2 -5,000.06 I need to find all occurences of amounts that are negative and replace them with x's 78 ANGELO xxxxxxx 79... (4 Replies)

2. Shell Programming and Scripting

for a certain directory, I want to grep a particular file called ABCD so what I do is ls /my/dir | grep -i "ABCD" | awk '{print $9}' however, there is also this file called ABCDEFG, the above command would reurn both file when I only want ABCD, please help! (3 Replies)

3. UNIX for Dummies Questions & Answers

Hello, i have a program where i have to get a character from the user and check it against the word i have and then replace the character in a blank at the same position it is in the word. (7 Replies)

4. Shell Programming and Scripting

Hi all, I appreciate the enormous amount of knowledge that flows in this forum. I am an average UNIX user. I have many files with lines like the below. I have separated each line with space for ease of reading. I need to replace the first occurance of "/00" with null on those lines that have... (6 Replies)

5. Shell Programming and Scripting

I've been battling with parsing a comma-delimited string, and have had what I would call B- success. I'm using perl and trying to parse out specific identifiers from a string, into a new string. When things are "normal," my regex works fine. When things get complicated, my script fails... (1 Reply)

6. Shell Programming and Scripting

I have a string like ab or abc of whatever length. But i want to know whether another string ( for example, abcfghijkl, OR a<space> bcfghijkl ab<space> cfghijkl OR a<space>bcfghijkl OR ab<space> c<space> fghijkl ) starts with ab or abc... space might existing on the longer string... If so, i... (4 Replies)

7. Shell Programming and Scripting

Hi, i want to know how to compare string of file with input string im trying following code: file_no=`paste -s -d "||||\n" a.txt | cut -c 1` #it will return collection number from file echo "enter number" read " curr_no" if ; then echo " current number already present" fi ... (4 Replies)

8. Shell Programming and Scripting

Hi experts, I have a file with hundreds of lines that looks something like this: Cake 1 3 4 2 3 1 3 Onion 3 2 4 1 3 4 2 Apple 2 3 4 4 1 2 1 Orange 4 3 4 1 2 4 1 Cake 3 1 4 2 4 2 1 Onion 2 4 2 1 4 2 1 Apple 4 3 3 3 3 2 1 Orange 2 1 2 2 2 4 1 Cake 4 3 4 3 1 3 3 ... I'm trying to... (2 Replies)

9. Shell Programming and Scripting

I am facing a problem and I would be grateful if you can help me :wall: I have a list of words like And I have a datafile like the box of the box of tissues out of of tissues out of the book, the the book, the pen and the the pen and the I want to find Patterns of “x.*x” where... (2 Replies)

10. Shell Programming and Scripting

Hi, I need to search/grep userid and its value based on a condition that the user id is under the heading "*central_test*" in a big file of about 70808MB. The * represents some strings before and after the string "centrla_test". Could anyone please guide. OS is hp-ux. (2 Replies)