10 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
I am using the following nested loop
for i in {1..3}
do
for y in {1..3}
do
if ;
then
echo P0${i}R${y}.fas
mv P0${i}R${y}.fas P${i}R${y}.fas
read -t 5
fi
done
done
I was wondering if I can use a character such as * or ? instead of my second variable y. I tried R in... (3 Replies)
Discussion started by: Xterra
3 Replies
2. Shell Programming and Scripting
Folks - newbie bash coder here and I'd like to get your help to make the code below work. As you can see, I was trying to count the total number of lines with the 3rd value >= 15 in a file and wanted to make the threshold "15" configurable, but apparently the $THRESHOLD value was not populated... (3 Replies)
Discussion started by: bashzipper
3 Replies
3. UNIX for Dummies Questions & Answers
# check host value regex='^(||1|2|25)(\.(||1|2|25)){3}$' if ')" != "" ]; then if ]; then echo host $host not found exit 4 fi elif ]; then echo $host is an invalid host address exit 5 fi
espeacailly the top regex part?
---------- Post updated at 06:58 PM ---------- Previous update was... (1 Reply)
Discussion started by: kevin298
1 Replies
4. Shell Programming and Scripting
Hi,
i want to check if a variable var1 is not a or b or c
pseudo code:
If NOT (var1 = a or var1 = b or var1 = c)
then
...
fi
I want to use POSIX complaint Korn shell, and for string comparison
For the following code, logical.sh
#!/usr/bin/ksh
var="j"
echo "Var : $var"
if ! { || ||... (12 Replies)
Discussion started by: ysrini
12 Replies
5. Shell Programming and Scripting
I'm would to create a script that would give me the results below.
Please note the spaces in the log file are actually commas(",".)
Log file Data
0:00 21:15 899 43 31 12 25.39
0:00 21:20 736 34 19 15 35.39
0:00 21:20 776 41 28 13 ... (3 Replies)
Discussion started by: ravzter
3 Replies
6. Shell Programming and Scripting
Hi,
How to use values in one for loop to other for loop.
say "$sf_rel" variable has values "2011/W2 2011/G2" I want to use these values in inner for loop to process properly.
$branch variable has G2 and 6
What is happening is outer for loop $i has 2011/W2 it is entering into inner... (3 Replies)
Discussion started by: Anjan1
3 Replies
7. Shell Programming and Scripting
Just started learning bash ,and I am confused with sintaksis
line 16: syntax error near unexpected token `else'
thanks
#!/bin/bash
echo -n "Enter: "
read num
if(($(echo ${#num}) == 0 ))
then
echo No arguments passed.Try again
elif
rem=$(echo $num | tr -d )
... (7 Replies)
Discussion started by: lio123
7 Replies
8. Shell Programming and Scripting
hi,
I have written a script to search MAC address in a given directory.
MAC address would be in format XX.XX.XX.XX.
The digits contain hexadecimal numbers.
For this i have used grep as follows.
grep -rn '^\{1,2\}\.\{1,2\}\.\{1,2\}\.\{1,2\}\$' *
This is not working as required.... (17 Replies)
Discussion started by: flamingo_l
17 Replies
9. Shell Programming and Scripting
I'm pretty sure I already know the answer to this, but I want to make sure I'm not overlooking anything. I'm working on a log monitoring script and every 10 lines I want to display a summary of events. The thing is, there are a lot of possible events, that likely won't have happened, so I only want... (0 Replies)
Discussion started by: DeCoTwc
0 Replies
10. Shell Programming and Scripting
Hi,
Actually i have written one test.sh (shell program) in bash.
Here i have a variables $a which stored the value package1.
Now I want to write a regular expression inside the if command that "if $a variable contains letter p in the begining of the value package1 then it is coming true.... (5 Replies)
Discussion started by: sunitachoudhury
5 Replies