9 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hi All,
#!/bin/bash
#Just trying to check if letters are in the user input. Any tips?
# I have tried regexp and using 0-9 etc, i cannot get this to work either in just an if statement or while in a loop.
echo "Please pick a number"
read num
if ; then
echo "Please enter a number"... (7 Replies)
Discussion started by: jvezinat
7 Replies
2. 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
3. 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
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. Shell Programming and Scripting
I am trying to calculate the maximum number from four numbers input by the user. I have the following code, but it does not work. It says there's an error with the last line "done". Any help would be appreciated.
max=0
echo "Please enter four numbers: "
for i in 1 2 3 4
do
read number... (17 Replies)
Discussion started by: itech4814
17 Replies
6. Shell Programming and Scripting
I am starting to learn how to use bash and I would like the script to do the following:
Asks the user for his/her name
Asks the user for one number
Asks the user for another number
Then it adds the two numbers,
Also multiply the two numbers
I have the part where you get the name, and I... (3 Replies)
Discussion started by: boyboy1212
3 Replies
7. Shell Programming and Scripting
Hi all, I currently have a script which uses read -p for user interaction. e.g.
read -p "New user? " user
Is it possible to have it so if the user enters nothing and just presses return it can resort to a specified value instead?
Thanks! :) (5 Replies)
Discussion started by: JayC89
5 Replies
8. Shell Programming and Scripting
i have to check if is input number or text, i case that is text then exit script
exaple is hrere, but is not working
check_it()
{
if ) ]
then
if (( $1 > 0 && $1 < 13 ));
then
echo "input number is ok"
else
... (2 Replies)
Discussion started by: waso
2 Replies
9. 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