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Worked perfectly. Thanks.

I am trying to see if a word exists within the file, then do command accordingly.

cmd=$(grep -ci "$word" $file)

if [ "$cmd" != "0" ]; then
echo "Word exists"
else
echo...

It says -qF is not an option for the grep command

I need to check if an entry input by the user is in a file. If so, I need to run a command, and if it does not exist then it should output entry does not exist.

So I have so far...

echo...

It says there is no -q option for the grep command. I am using bash shell if that matters. Is there some kind of if statement I can use for checking the file for the entry??

I have a directory question where I ask the user which entry he wants to delete...

echo "Which entry?"
read entry
sed '/^'$entry'/d' file

This code does in fact delete that particular...

I have code that accepts input from a user, and when the user hits enter it is supposed to delete that whole line from the file.

echo "Which record? "
read record
sed '/$record/d' file
...

So I type your code in word for word, and it gives me an error...

syntax error: `screen_width=$' unexpected

bash shell

I just have vi editor running....

---------- Post updated at 05:58 PM ---------- Previous update was at 12:09 PM ----------

gary...

when I run your script, it says `(' unexpected

Am I...

There are several different lines. Each line has a name, an address, and a phone number. The user is asked which entry they want to adjust. They are to enter the name. Once the name is entered they...

How can I adjust a specific field in a line that the user specifies...

In other words,
I have a file that contains several lines containing several fields separated by a comma.
...

codecode

ok that worked. The purpose of my code is to repeat that menu until the user presses x or X. Now it is an infinite loop. I cannot figure out how to make it exit when the user presses X.

answer=x
while [ $answer != X && $answer != x ]
do
echo "Phone Book"
echo "Phone Company"
echo "Company Number"
echo ""
echo ""
echo "A - Add a new line in the phone book"
echo "D - Delete a...

Even with substituting the || for &&, it gives me the same error message

test: ] missing

I have the following chunk of code...

while [ $answer != X || $answer != x ]

when I try to execute this script, it outputs an error "test: ] missing"

Is there a syntax error here?

I'm using bash. Sorry. All I want to know is if there is some generic command in vi editor to center a line???

Bsh is my shell that I am using. I have a script that echoes 3 lines that I stated above. I researched how to center lines in unix and someone said tO use the .ce 3 command but it didn't wOrk. Is...

I have a menu with three separate lines...

Phone Book
Company
Phone Number

I just want to center these three lines. I am in bsh. I do not know how to center these...

So I am trying to use the .ce 3 command to center 3 lines in my text, but I am getting an execute permission denied. I made rwx capabilites for all users too. Any idea why I am getting this error?

I want to read four number on one single line input by the user. Then I want to calculate the maximum number based on those four numbers.

This is what I have..

echo "Please enter four numbers: \c"
read max
for i in 1 2 3
do
read number
[ $number -gt $max ] && max=$number
done
echo "The maximum is: $max"

How would I embed...

It is actually a project for work. I am using it to find a data file with the highest values, so I altered it here a little to just find the maximum number. How can I adjust it to read each number...

Here's what I have....


echo "Please enter four numbers: \c"
read max
for i in 1 2 3 4
do
read number
[ $number -gt $max ] && max=$number
done
echo "The maximum is: $max"


When I run...