1. UNIX for Dummies Questions & Answers

How do I check if a variable consisted of letters, numbers or both letters and numbers? For example, I have a variable $X and I want to print "1" if it contains only letters, "2" if it contains only numbers and "3" if it contains both (2 Replies)

2. UNIX for Dummies Questions & Answers

Hello all I am a unix newbie.... I have a sun netra t1 and it is freaking out I am connected to it through a console port, and it is just spitting out a ton on numbers and letters like below its just keeps going and going. I have tried rebooting it and I cannot get it back to any kind of a... (1 Reply)

3. Shell Programming and Scripting

If I have a set of strings, C21 F231 H42 1C10 1F113 and I want to isolate the ints following the char, what would the sed string be to find numbers after letters? If I do, *, I will get numbers after letters, but I am looking to do something like, sed 's/*/\t*/g' this will give me... (14 Replies)

4. UNIX for Dummies Questions & Answers

Hello all. I am a beginner UNIX user who is using UNIX to work on a bioinformatics project for my university. I have a bit of a complicated issue in trying to use sed (or awk) to "find and replace" bases (letters) in a genetics data spreadsheet (converted to a text file, can be either... (3 Replies)

5. Shell Programming and Scripting

Hi Experts, I am finding difficulty to get exact match: file OPERATING_SYSTEM=HP-UX LOOPBACK_ADDRESS=127.0.0.1 INTERFACE_NAME="lan3" IP_ADDRESS="10.53.52.241" SUBNET_MASK="255.255.255.192" BROADCAST_ADDRESS="" INTERFACE_STATE="" DHCP_ENABLE=0 INTERFACE_NAME="lan3:1"... (6 Replies)

6. Shell Programming and Scripting

Hello, I have a file such as this: chr1 chr2 chr1 chr2 chr3 chr10 chr4 chr5 chrz chr1AI want to sort it, I use this command: sort -k1 -th -n testfilebut I get this output, how can I fix this? chr1 chr1 chr10 chr1A chr2 chr2 (3 Replies)

7. UNIX for Dummies Questions & Answers

I have a file with hundreds of lines in it. I wanted to extract anything that matches the following: KR followed by 4 digits: example KR1201 cat list | sed "s///g" Is the closest I've come, and obviously it is not what I want. This would remove all of the items that I want and leave me... (2 Replies)

8. Shell Programming and Scripting

I have a file full of coordinates of the form: 37.68899917602539 58.07500076293945 57.79100036621094 The numbers don't always have the same number of decimal points. I need to reduce the decimal points of all the numbers (there are 128 rows of 3 numbers) to 2. I have tried to do this... (2 Replies)

9. Shell Programming and Scripting

Heyas Just a little fun script (code block) i'd like to share for fun. #/bin/bash # roman.sh # # Function # num2roman() { # NUM # Returns NUM in roman letters # input=$1 # input num output="" # Clear output string len=${#input} # Initial length to count down ... (9 Replies)

10. UNIX for Beginners Questions & Answers

Hi! I found and then adapt the code for my pipeline... awk -F"," -vOFS="," '{printf "%0.2f %0.f\n",$2,$4}' xxx > yyy I add -F"," -vOFS="," (for input and output as csv file) and I change the columns and the number of decimal... It works but I have also some problems... here my columns ... (7 Replies)