10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
I need a script that should print 'yes' if the argument is a valid shell variable name else 'No' if it is not a valid shell variable. A valid one begins with an alphabet or percentage (%) character and is followed by zero or more alphanumberic or percentage (%) characters.
For example:
$... (6 Replies)
Discussion started by: pingiliarjun
6 Replies
2. Shell Programming and Scripting
Hi guys,
I have created a csh script which allows user to pass input argument with the script like:
cluster_on_lev3.csh -t <value> -p <value>
Example:
cluster_on_lev3.csh -t 2.3 -p 0.05
Now I want to create an error code where if user passes input argument without spaces , the code... (16 Replies)
Discussion started by: dixits
16 Replies
3. Shell Programming and Scripting
I want to make a script that check for the argument passed to it and generates an error in case any character/string argument passed to it.
I am using below code, but its not working. can anyone help.
#!/bin/bash
if ]; then
echo 'An integer argument is passed to the script hence... (3 Replies)
Discussion started by: mukulverma2408
3 Replies
4. Shell Programming and Scripting
If ($argv == “-debug”) then
Echo “in loop”
Endif
But this is not working. If I modify this code and remove “-“, then it works.
Similarly I am getting problem using grep command also
Grep “-debug” Filename
Can someone please help me on how to resolve these... (1 Reply)
Discussion started by: sarbjit
1 Replies
5. Shell Programming and Scripting
Can someone please help me with this SHELL script?
I need to create a script that gets a positive number n as an argument. The script must calculate the factorial of its argument. In other words, it must calculate n!=1x2x3x...xn. Note that 0!=1.
Here is a start but I have no clue how to... (3 Replies)
Discussion started by: I-1
3 Replies
6. UNIX for Dummies Questions & Answers
I am passing a string as argument. Need to check if it contains "-".
If it contains "-" then check if it contains "-r" .If Yes then print some message else check if it contains "-t".If yes print some message. How this check can be done using shell script?
How I can do this by using IF OR... (7 Replies)
Discussion started by: nehagupta2008
7 Replies
7. UNIX for Dummies Questions & Answers
I have a script that when called can have 1 or 2 command arguments. If only 1 command argument is passed into the script how can I check that the second argument is null? I am working in Korn shell in a UNIX environment.
Example of script call with 2 arguments:
% statreport 0300 1430
... (6 Replies)
Discussion started by: Nysif Steve
6 Replies
8. Shell Programming and Scripting
Hi all,
Can you please suggest a few lines of if statement to check if a variable is an ip address purely in bash/sh?
Thanks,
Marc (3 Replies)
Discussion started by: marcpascual
3 Replies
9. Shell Programming and Scripting
How do I check if the argument passed to a script is an integer?
I am writting a script that will take to integers and want to be able to check before I go on.
I am using bourne shell.
Thanks in advance (13 Replies)
Discussion started by: elchalateco
13 Replies
10. UNIX for Dummies Questions & Answers
In a script , i would like to check if the argument ( $1, $2 inside the script) contain wildcard (*,? etc). how do i do it?
> script_name arg1 arg*
$1 (arg1) does not contain wildcard, but $2 (arg* )contains wildcard. how can i tell in script?
i need to do this is because :
if arg1... (3 Replies)
Discussion started by: gusla
3 Replies