1. Shell Programming and Scripting

Hi... I'm new here and i have a Q... How do i get only the number from a string? like from "rlvol11" i want to get 11 or from "lvol4" i want to get 4 what commands should i use at my script? thanx 4 the help! Eliraz. (13 Replies)

2. Shell Programming and Scripting

I writing my script and got stuck in this function. Can someone help me? I need to extract out the numbers inside a string. Ex: INPUT -> OUTPUT abcdef123 -> 123 abc123def -> 123 123abcdef -> 123 a123bc45d -> 123 45 abcdefghi -> -1 Thank you! (12 Replies)

3. Shell Programming and Scripting

Hi, I need help to sort a file contents. I am using sort -r option to basically reverse the comparison in descending order. However, i found out that my file is not sorted according, can anyone please help. My data is something like:- Hello world 20.982342864 343 19.234355545 222... (5 Replies)

4. UNIX for Dummies Questions & Answers

Dear Unix Gurus, I have a list of files that I want to loop over....for example: sl40_z11.70.txt sl41_z11.40.txt sl42_z11.10.txt sl43_z10.80.txt using the script #!/bin/sh # echo -n "....enter first Z-coordinate position....."; read zpos q="scale=3; $zpos" p=0.3 #... (7 Replies)

5. Shell Programming and Scripting

Hi Everyone, I have: $val="QQ3_1899_CD4". The output will be: 1899. I did $val =~ /(\d+)/g; the output is 318994, then i use substr to get those 1899. This is not efficient. Is any simple way, like just one line can do? Thanks (1 Reply)

6. Shell Programming and Scripting

Hi, I want to display the string value with number value. I dont know how to display. Can anyone help me. This is my code export A=${file_name} echo $a $b $sum | awk '{ printf "%011.f,%014.f,%014.f\n", $1,$2,$3}' >> ${MRR_OUTPUT} the out put shold be ${A}, $a, $b filename,... (2 Replies)

7. Shell Programming and Scripting

Hello Everyone, i have quick question. I have file names like: bin_map300.asc and I would like to extract grid300. My approach so far: name=bin_map300.asc echo ${name%%.*} echo ${name##*_} I am stuck combining the two. Any help would be appreciated. (3 Replies)

8. UNIX for Dummies Questions & Answers

Hi all, I'm a new programmer to shell script... and I have no idea how to use substring. I want to extract the numbers from the following string and place it into a variable: "170 unique conformations found" The numbers can be more than three digits depending on the case. I just want to... (10 Replies)

9. Shell Programming and Scripting

I am writing a bash script on ubuntu11.10 I have some string having numbers and letter and want to add all the numbers together For example 1s2d23f I want to perform 1 + 2 + 23 and store it in a variable (3 Replies)

10. Shell Programming and Scripting

Hi, I am having contents in a file like below, cat testfile rpool/swap rpool/swap14 rpool/swap2 rpool/swap3 I want to sort the above contents like, rpool/swap rpool/swap2 rpool/swap3 rpool/swap14 I have tried in this way, (7 Replies)