10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
How to check the user input to be valid using shell script?
The valid input is in the format like as follows.
1. It can only have r,w,x or a hyphen and nothing else.
2. ensure the r, w, x are in the correct order.
for example: rwxr-xr-x is a valid format.
Thanks (5 Replies)
Discussion started by: hyeewang
5 Replies
2. Shell Programming and Scripting
Hi,
On my Java webpage which invokes the shell script has two checkboxes viz ...
apache
and
weblogic
apache require one parameter i.e apache home from the user while Weblogic requires three or five params from the user vi.z weblogic_home or <jdk_home, config_home & pid>, username and... (4 Replies)
Discussion started by: mohtashims
4 Replies
3. Shell Programming and Scripting
I have a shell script, and its pretty much done, I decided to add a loop that ends or continues depending on user input. like "would you like to continue?" and if I hit y or yes it will run the loop again until I hit n or no and breaks out of the loop.
To be hones I didn't think I needed to add... (2 Replies)
Discussion started by: Demon_Jester
2 Replies
4. Shell Programming and Scripting
Hi,
I need my script to check if the user enters 3 values if not 5 values to my script and alert if the input has any other number of values.
for example:
./myscript.sh 22 56 3221 - > correct
./myscript.sh 22 56 3221 45 777 -> correct
./myscript.sh 22 56 3221 45 -> incorrect
Please... (6 Replies)
Discussion started by: mohtashims
6 Replies
5. Homework & Coursework Questions
Good Evening. I'm new to C. Can you please help me.
I'm creating an error checking function, user will input a string, this will check if the input is all alphabet or all letters only. If there is a digit or other special char, it will print Error then ask input from user again.
Here's my... (1 Reply)
Discussion started by: eracav
1 Replies
6. Shell Programming and Scripting
until
do
read -p "Invalid cars. Try againa" cars1
done
Ok i have the above code, im getting users input and if it doesnt match in the file the user has to try again untill its correct
But when i run this it gives me an error saying
./Cars.bash: line 43: (2 Replies)
Discussion started by: gangsta
2 Replies
7. UNIX for Dummies Questions & Answers
I'm new to BASH and i'm trying to create a script which is simply put a large find and replace file. This is what I have so far
N=0
while read LINE ; do
N=$((N+1))
sed 's/'$2'/'$3'/g' $LINE > .temp
echo "Changes to file $N = $LINE"
echo 'The following changes... (5 Replies)
Discussion started by: Azumandious
5 Replies
8. UNIX for Dummies Questions & Answers
Hello everybody!!!
I am writing my own rm command in unix.
I prompt the user to type if he wants to delete a file and then read what he typed.
But how do i check what he typed?
This is my program so far:
echo 'Delete prog1.c (y/n)?'
read yesOrNo
if yesOrNo == 'y'
then
rm prog1.c... (6 Replies)
Discussion started by: mskart
6 Replies
9. Shell Programming and Scripting
Hello, i know how to retrieve a user input (read), and how to manage the different options (case statement).
But... could anybody show me a script that, if the user option is incorrect, don't allow to continue the excution, i.e., if the value entered is not 1 or 2, the script shows a question.
... (2 Replies)
Discussion started by: aristegui
2 Replies
10. UNIX for Dummies Questions & Answers
hi!
i need to do a ksh script that uses a wile loop that is fed form below
while read line
do
some things
done < myfile
inside the while loop i need to read user input to ask the user what he wants to do, but "read" reads the file, and not the standard input
while read line
do
... (2 Replies)
Discussion started by: broli
2 Replies