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https://stackoverflow.com/questions/17689511/what-does-ne-mean-in-bash
What does "-ne" mean in bash?
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154edited Mar 20, 2019 at 3:19
This is one of those things that can be difficult to search for if you don't already know where to look.
[ is actually a command, not part of the bash shell syntax as you might expect. It happens to be a Bash built-in command, so it's documented in the Bash manual.
There's also an external command that does the same thing; on many systems, it's provided by the GNU Coreutils package.
[ is equivalent to the test command, except that [ requires ] as its last argument, and test does not.
Assuming the bash documentation is installed on your system, if y...
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Stack Overflow
https://stackoverflow.com/questions/17689511
shell - What does "-ne" mean in bash? - Stack Overflow
When you know for sure your integers to be compared will never have leading zeroes, you coulduse any of these methods: See more
Comparing Integers with Leading Zeroes.
Now, let's say you will or may have at least one variable with leading zeroes. If this could be the case, then some methods will not work correctly (will generate an … See more
Bottom Line
The bottom line is when comparing two integers in BaSH, these type of formula expressions are typically what should be used, and not the others mentioned. This … See more
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Comparing Integers with Leading Zeroes.
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LinuxTect
https://linuxtect.com/linux-bash-not-eq…
Linux Bash Not Equal “-ne” , “!=” Operators Tutorial
WEBLinux Bash scripting language provides the not equal “ -ne ” operator in order to compare two values if they are not equal. The not equal operator generally used with the if or elif statements to check not equal and …
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What is the meaning of -n, -z, -x, -L, -d, etc... in Shell Script?
I often find on files .sh Shell Script in conditionals sintaxis lik…
Answer · 11 votes
IMHO best way is you could simply do man tes…
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Shell equality operators (=, ==, -eq).
What is the difference between = , == and -eq in shell scripting? Is there any difference b…
Answer · 312 votes
It's the other way around: = and == are for string c…
Super User
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How do I use the -ne flag for echo in a shell script?
I'm trying to create a shell script to take an argument and use it to …
Answer · 5 votes
That would be the difference between ech…
Stack Overflow
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What does if [[ $# -ge 1 ]] mean in shell scripting.
I was going over some files and found this: if [[ $# -ge 1 ]] What does that mean?
Answer · 18 votes
if the number of passed parameters is greater th…
Stack Overflow
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Meaning of $? (dollar question mark) in shell scripts.
What does echo $? mean in shell programming?
Answer · 286 votes
This is the exit status of the last executed comm…
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What does "-ne" mean in bash?
What does the command "-ne" mean in a bash script? For instance, what does the following …
Answer · 131 votes
This is one of those things that can be difficult to se…
Unix & Linux Stack Exchange
Question
meaning of [ $? -ne '0' ]. (shell script).
could anyone tell me what the following command means? I'm reading a s…
Answer · 6 votes
$? is the exit status (a string, but a representat…
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What does if [[ $? -ne 0 ]]; mean in .ksh.
I have a following piece of code that says if everything is executed mail a person …
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Breaking it down, simple terms: [[ and ]] ... signifi…
Ask Ubuntu
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What does $# mean in bash?
I have a script in a file named instance: echo "hello world" echo ${1} And when I run this scri…
Answer · 101 votes
$# is a special variable in bash , that expands to t…
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What does $# mean in shell?
What does $# mean in shell? I have code such as if [ $# -eq 0 ] then I want to understan…
Answer · 38 votes
You can always check the man page of your shell. …
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if [ $? -ne 0 ] then syntax error then unexpected.
I have been trying to execute the following UNIX shell script which …
Answer · 8 votes
This looks like bash rather than ksh failed() { echo …
TecAdmin
https://tecadmin.net/bash-not-equal-operator
Using the ‘-ne’ Operator in Bash: A Comprehensive Guide
WEBFeb 28, 2024 · The ‘-ne’ operator is a relational operator in Bash scripting, used for comparing two numerical values. It stands for “not equal”, and it returns true if the values …
Linux Handbook
https://linuxhandbook.com/bash-test-o…
Test Operators in Bash [Cheat Sheet] - Linux Handbook
WEBOct 4, 2023 · 2. The -ne (not equal to) operator. The -ne operator does the opposite of the -eq by comparing two operators to check if they are not equal. For your reference, here's a similar bash script as above but this …
Stack Overflow
https://stackoverflow.com/questions/53319817
linux - What is the meaning of -n, -z, -x, -L, -d, etc... in Shell ...
WEBNov 16, 2018 · If any file argument to one of the primaries is of the form /dev/fd/n, then file descriptor n is checked. If the file argument to one of the primaries is one of /dev/stdin, …
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if [ $? -ne 0 ] then syntax error then unexpected Jan 6, 2014
What does if [ [ $? -ne 0 ]]; mean in .ksh Nov 21, 2013
bash - Shell equality operators (=, ==, -eq)
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GeeksForGeeks
https://www.geeksforgeeks.org/basic-o…
Basic Operators in Shell Scripting - GeeksforGeeks
WEBJul 30, 2024 · There are 5 basic operators in bash/shell scripting: Arithmetic Operators. Relational Operators. Boolean Operators. Bitwise Operators. File Test Operators. 1. Arithmetic Operators: These …
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What is the difference between -NE and -= in Bash?
Following the reference to "Bash Conditional Expressions" will lead you to the description of -ne, which is the numeric inequality operator ("ne" stands for "not equal). By contrast, != is the string inequality operator. You can also find bash documentation on the web.
shell - What does "-ne" mean in bash? - Stack Overflow
stackoverflow.com
What is a 'NE' operator in Bash?
While the ‘not equal’ operator is a powerful tool, Bash provides other operators that can be used in different contexts. One such operator is ‘-ne’, which is primarily used for numeric comparison. Let’s take a look at an example of how ‘-ne’ can be used: echo "num1 and num2 are not equal"
The 'Not Equal' (!=) Operator | Bash Script Explained
ioflood.com
How do I make a newline a shell comment?
In either case, the line is accepted as if a newline had been typed. The default value of comment-begin causes this command to make the current line a shell comment. If a numeric argument causes the comment character to be removed, the line will be executed by the shell.
Bash Reference Manual
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Delft Stack
https://www.delftstack.com/howto/linux…
The -ne Operator in Bash - Delft Stack
WEBJan 30, 2023 · The -ne Operator in Bash. If two potential values are not equal, the -ne operator is used in Bash programming to compare them. In Bash, the not equal function is represented by the -ne character. The != …
qianwublog.me
https://qianwublog.me/blog/understanding-the...
Understanding the Function of the -ne Operator in Bash Scripts
WEBJan 3, 2020 · The -ne operator is an essential tool in Bash scripts for checking if two values are not equal. It is widely used in conditional statements to make decisions based on …
Unix & Linux Stack Exchange
https://unix.stackexchange.com/questions/67898
shell script - Using the not equal operator for string comparison ...
WEB8 Answers. Sorted by: 279. I guess you're looking for: if [ "$PHONE_TYPE" != "NORTEL" ] && [ "$PHONE_TYPE" != "NEC" ] && [ "$PHONE_TYPE" != "CISCO" ]
IOFLOOD
https://ioflood.com/blog/bash-not-equal
The ‘Not Equal’ (!=) Operator | Bash Script Explained
WEBDec 4, 2023 · When using the ‘not equal’ operator in Bash, it’s important to follow best practices for optimal results: Always use double quotes around variables in conditionals to prevent word splitting and pathname …
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How-To Geek
https://www.howtogeek.com/439199/15-special...
15 Special Characters You Need to Know for Bash - How-To Geek
WEBOct 11, 2023 · What Are Special Characters? There are a set of characters the Bash shell treats in two different ways. When you type them at the shell, they act as instructions or …
Unix & Linux Stack Exchange
https://unix.stackexchange.com/questions/261138/...
meaning of [ $? -ne '0' ]. (shell script) - Unix & Linux Stack Exchange
WEBJan 6, 2022 · $? is the exit status (a string, but a representation of an integer) of the last command the shell waited for, that is, not put into the background with an & marker. A …
Super User
https://superuser.com/questions/300218
How do I use the -ne flag for echo in a shell script?
WEB3 Answers. Sorted by: 5. That would be the difference between echo in /bin/sh vs. your interactive shell. I suggest using printf instead, and see The UNIX and the echo. Share.
LinuxSimply
https://linuxsimply.com/bash-scripting-tutorial/operator
Bash Operator - LinuxSimply
WEBJan 23, 2024 · What is a Bash Operator? In Bash scripting, an operator is a special symbol or keyword used to perform specific operations on data or variables. These operators …
Ask Ubuntu
https://askubuntu.com/questions/939620
What does $# mean in bash? - Ask Ubuntu
WEBJul 25, 2017 · $# is the number of positional parameters passed to the script, shell, or shell function. This is because, while a shell function is running, the positional parameters are …
command line - What does "./" mean in linux shell?
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GeeksForGeeks
https://www.geeksforgeeks.org/shell-script-examples
30+ Common Linux Shell Script Examples - GeeksforGeeks
WEBMar 28, 2024 · Looking for shell script examples to learn and master Bash? Here are 30+ of the best shell script examples, with images to enhance the content and make it more …
Unix & Linux Stack Exchange
https://unix.stackexchange.com/questions/122343/...
What does $# mean in shell? - Unix & Linux Stack Exchange
WEB3 Answers. Sorted by: 41. You can always check the man page of your shell. man bash says: Special Parameters. # Expands to the number of positional parameters in decimal. …
GNU Wget
https://www.gnu.org/software/bash/manual/bash.html
Bash Reference Manual
WEBThis chapter briefly summarizes the shell’s ‘building blocks’: commands, control structures, shell functions, shell parameters, shell expansions, redirections, which are a way to …
Stack Overflow
https://stackoverflow.com/questions/36753717
What does if [ [ $# -ge 1 ]] mean in shell scripting
WEBMay 29, 2017 · In shell script $# stores the number of arguments passed from the command line, like *argc in c programming. So, By using the "if" statement we are verify …
The Norfolk Daily News
https://norfolkdailynews.com/news/shell-creek...
Shell Creek Watershed Improvement Group celebrates 25 years …
WEB1 day ago · WAHOO — The Shell Creek Watershed Improvement Group (SCWIG) recently celebrated its 25th anniversary, marking a significant achievement in Nebraska’s …
Stack Overflow
https://stackoverflow.com/questions/7248031
Meaning of $? (dollar question mark) in shell scripts
WEBAug 1, 2019 · This is the exit status of the last executed command. For example the command true always returns a status of 0 and false always returns a status of 1: From …
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if [ $? -ne 0 ] then syntax error then unexpected	Jan 6, 2014
What does if [ [ $? -ne 0 ]]; mean in .ksh	Nov 21, 2013
bash - Shell equality operators (=, ==, -eq)

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