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)
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)
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)
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)
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)
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)
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)
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)
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)