10 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. UNIX for Dummies Questions & Answers
Any good way to check if code has the required output
# /sbin/sysctl net.ipv4.icmp_echo_ignore_broadcasts
net.ipv4.icmp_echo_ignore_broadcasts = 1
/sbin/sysctl net.ipv4.icmp_echo_ignore_broadcasts | grep "= 1"
net.ipv4.icmp_echo_ignore_broadcasts = 1
What I can think of is above, and it... (16 Replies)
Discussion started by: alvinoo
16 Replies
3. Solaris
Hello,
I am running Solaris 8. When issuing the command "stty lcase" all text which is output to the terminal are capitalized. Letters that are supposed to be capitals are preceded by a backslash during output. All text which is input is converted to lower case. This is the expected behaviour... (5 Replies)
Discussion started by: rstor
5 Replies
4. Shell Programming and Scripting
In each line of file, I wish to check if word1 is a non-connected subset of any of the other words in the line. If yes, keep only the words that ward1 is a subset of. Else, remove the whole line.
Also, I want to remove the letters that word1 doesn't match with, except for "_+"
Example file:... (2 Replies)
Discussion started by: Viernes
2 Replies
5. Shell Programming and Scripting
ok im sorta stuck on this,
The user enters a car model and it has to check it in a text file in the current directory. If the car model is not in the file, user has to enter another model
This is what i have so far
read -p "Enter a car model: " car1
grep -w $car1=$(cat carMakes.txt)... (3 Replies)
Discussion started by: gangsta
3 Replies
6. Shell Programming and Scripting
Hey guys, i was looking for some examples of how can i check if the use input is just using numerical. i came across an example using tr :
echo "read this"
read this
if ]`" ] ;
then
echo "True - only alpha and numeric"
else
echo "False - there are NON alpha and numeric stuff here!"
fi... (7 Replies)
Discussion started by: gregarion
7 Replies
7. Shell Programming and Scripting
Hi, I'm trying to check to see that the arguments given to my script are both numeric and positive integers. I'm using tcsh. I figured out the positive part, but I am having trouble with the arguments being numeric and integers
I have no idea where to get started with the checking them actually... (1 Reply)
Discussion started by: mistykz
1 Replies
8. UNIX for Dummies Questions & Answers
Hi,
i have a variable which holds a variety of letters. eg,
var=qwertyuiop
what i want to do is determine wether an inputed letter is already stored inside the variable, so i can say to enter a new one.
i have been playing around using tr and grep but nothing seems to work at all.
... (2 Replies)
Discussion started by: castillo
2 Replies
9. Programming
hi,
I'm trying to create a program that will read a file and then check the file for each letter of the alphabet and then output the letter and the number of times it appears in the file, into a new file... this is what i have so far but it's not working.. if anyone could help that would be nice!... (10 Replies)
Discussion started by: svd
10 Replies
10. Shell Programming and Scripting
What can i do to check that the input is all alphabet.. ? (4 Replies)
Discussion started by: XXXXXXXXXX
4 Replies