10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
I am new to shell scripts.Can u please help me on this req.
test_user = "Arun"
echo "test_user is a word"
echo "test_user is not a word" (1 Reply)
Discussion started by: chandrababu
2. Shell Programming and Scripting
I have a file that I'm trying to find all the cases of phone number extensions and deleting them. So input file looks like:
output looks like:
Basically delete lines that have 5 numbers following "x". I tried: x\(4) but it... (7 Replies)
Discussion started by: pxalpine
3. Shell Programming and Scripting
need a regex that matches when a number has a zero (0) at the end of it
and so on (6 Replies)
Discussion started by: linuxkid
4. Shell Programming and Scripting
what elements does " /^/ " match?
I did the test which indicates that it matches single lowercase character like 'a','b' etc. and '1','2' etc.
But I really confused with that. Because, "/^abc/" matches strings like "abcedf" or "abcddddee".
So, what does caret ^ really mean?
Any response... (2 Replies)
Discussion started by: DavidHe
5. UNIX for Dummies Questions & Answers
In regular expressions with grep(or egrep), ^ works if we want something in starting of line..but what if we write ^^^ or ^ for pattern matching??..Hope u all r familiar with regular expressions for pattern matching.. (1 Reply)
Discussion started by: aadi_uni
6. UNIX for Advanced & Expert Users
I have a flat file with the following drug names
Nutropin AQ 20mg PEN Cart 2ml
Norditropin Cart 15mg/1.5ml
I have to extract digits that are before mg i.e 20 and 15 ; how to do this using regular expressions
ram (1 Reply)
Discussion started by: ramky79
7. Shell Programming and Scripting
In ksh, I am trying to compare folder names having -141- in it's name.
e.g.: 4567-141-8098 should match this expression '*-141-*'
but, -141-2354 should fail when compared with '*-141-*'
simlarly, abc should fail when compared with '*-141-*'
I tried multiple things but nevertheless,... (5 Replies)
Discussion started by: jidsh
8. Shell Programming and Scripting
Let say I have a string with content "Free 100%". How can extract only "100" using ksh? I would this machanism to work if instead of "100" there is any kind of combination of numbers(ex. "32", "1238", "1"). I want to get only the digits.
I have written something like this:
... (4 Replies)
Discussion started by: whatever
9. UNIX for Dummies Questions & Answers
I need help with regular expressions. I want to create a regular expression which will take only alpha-numeric characters for 7 characters long and will throw out an error if longer than that.
i tried various combinations but couldn't get it, please help me how to get it guys.
... (2 Replies)
Discussion started by: ragha81
How do I use the regular expressions in c++? (2 Replies)
Discussion started by: szzz