Syntax to find out if file exists with conditional expressions in a Bash Shell. This is what i did in vain. We have already seen, how to use the IF function in basic Excel formulas. ls *.txt | while... #!/bin/bash If you're looking for other uses of the find command, check out my Linux find … To be people ready, all 6 conditions must be met To be population ready conditions … This question is a sequel of sorts to my earlier question.The users on this site kindly helped me determine how to write a bash for loop that iterates over string values. Multiple Find Conditions in IF Statement - UNIX. Yes folks, that fine work of American cinema did indeed feature Dan Marino reprising his real-world ad for Isotoner. I wish to check two conditions inside the if statement If so , the shell executes the block of code associated with the if statement. You can quickly test for null or empty variables in a Bash shell script. Condition 1: The two file contents should be identical // using cmp command for this. For OR operation, see: How do I grep for multiple patterns with pattern having a pipe character? true if file is a symbolic link -k file . My code looks like this: Q&A for Work. Most programming and scripting languages have some sort of if/else expression and so does the bourne shell. Here we are going to describe all if the functions that one can use to test more than one condition. export PREV_DT=20131012 One scenario that comes to my mind quickly is related to … Here is an example of IF AND OR formula that tests a couple of OR conditions within AND. Actually i need to satisfy both the condition.. In my last article I shared some examples to get script execution time from within the script.I will continue with articles on shell scripts. I thought the output should be True because there are + in the statement. if && ]; then$h is 10 but I don't get into my if statement. What is the weight category of each name below based on BMI value? fi Unix provides a number of relational operators in addition to the logical operators mentioned earlier. What can i do to fix this? See also: How to use grep to match string1 AND string2? Here is my scenario: We have a platform that needs to be either People, Population or Panel ready based on a set of 6 conditions. H ow do I use if command with KSH to make decisions on Unix like operating systems? In this article i will share examples to compare strings in bash and to check if string contains only numbers or alphabets and numbers etc in shell script in Linux. This page shows how to find out if a bash shell variable is empty or not using the test command . As an alternative, we can use the elif construct , shot for else if. But it turns out to be False. The first score, stored in column C, must be equal to or greater than 20. It returns true and false values to indicate that file is empty or has some data. If the statement is not true , the shell jumps beyond the end of the if statement block & Continues on. The IF function above checks two conditions, the "Region" value must match a text string and the "Amount" value must be larger than a number. Condition 2: The two filenames should NOT be the same. But giving wrong results. Here you can check multiple if statements in excel using Nested Ifs and Logical test. When you will be doing some complex data analysis, you might be needed to analyze more than one conditions at a time. How to giv two conditions in IF statement..?? We will now create a script for doing numeric comparison, but before we do that we need to know the parameters that are used to compare numerical values . @danfuzz I know this is an old thread, but it would be great if you cite this in case people wanna read exactly why [[ is preferred over [. Use expressions in conditions to check multiple values. Home » Linux/Unix » Linux if-then-else Condition in Shell Script Example. How to Check Multiple conditions in IF statement? Shell scripts often need to be constructed to execute different instructions depending on the value of specific control variables. How to include a condition to check multiple values in a column 10-25-2018 01:52 AM. Hi everyone, I am new to UNIX, here I have a if statement elevating two boolean conditions. In this tutorial, we will see about relational operators, and shell decision-making using various conditional statements. – msimmer92 Nov 8 '18 at 15:31 | Post 302976790 by mohtashims on Wednesday 6th of July 2016 09:44:28 AM For example, suppose that a loop control variable fname iterates over the strings "a.txt" "b.txt" "c.txt".I would like to echo "yes!" 2: The element you are comparing the first element against.In this example, it's the number 2. There are many conditions in above formula and the array formula lets you do this without problems. What I want to do is have the script do the following: Norman Abramson, a professor at the University of Hawaii, developed the first wireless computer communication network, ALOHAnet. March 30, 2019. When you will be doing some complex data analysis, you might be needed to analyze more than one conditions at a time. Linux find multiple filename extensions - Summary. For example, For example, Situation 1: If column … condition 1) statements; Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. I wish to check two conditions inside the if statement Condition 1: The two file contents should be identical // using cmp command for this. How to check Conditions with if statement in shell Scripting. true if the setgid attribute of the file is on under UNIX (or the system attribute on Windows systems) -h file . Unix / Linux - Shell Basic Operators - There are various operators supported by each shell. then In this example, the variable count specifies a condition that is used as part of the if statement.Before the if statement is executed, the variable count is assigned the value 5.The if statement then checks whether the value of count is 5.If that is the case, the statement between the keywords then and fi are executed.Otherwise, any statements following the if statement are executed. An argument is an input value given to a function. This is one the most common evaluation method i.e. Condition 2: The two filenames should NOT be the same. if && '''Do something When I try the below if Condition with single condition its working fine. Login to Discuss or Reply to this Discussion in Our Community, Multiple conditions inside my if statement. In Bourne Shell if statement checks whether a condition is true or not. then Check multiple conditions in if statement – Python Last Updated : 26 Mar, 2020 If-else conditional statement is used in Python when a situation leads to two conditions … KSH offers program flow control using if conditional command. The array formula above lets you check if all values in cell range B3;B5 are not empty and if all numbers in C3:C5 are above 0 (zero). If you multiply boolean values the outcome is always 0 (zero) or 1. Grep is a powerful utility available by default on UNIX-based systems. And if so, what is the syntax? Using the IF with other functions together, in a complex formula, allows you to test multiple conditions and criteria.In this article, we are going to analyze Excel If function multiple conditions use. In my case I am using shell scripting and I am recieving odd results from my if statement I know everyone can Google on their own... but still, it's good practice to cite.. makes your comment more robust and the reader's search faster and more efficient. We have already seen, how to use the IF function in basic Excel formulas. I'm attempting to write an if statement to validate one of the pieces of data from the config file, but I think I'm fat fingering it somehow. In Linux we can simply call it as text editor operator. Here one condition result may also invert the result of a other condition. In Excel, there are many ways to use If statements. test: The command to perform a comparison; 1:The first element you are going to compare.In this example, it's the number 1 but it could be any number, or a string within quotes.-eq: The method of comparison.In this case, you are testing whether one value equals another. Hello, then If the number is equal or lower than 4, then assign the value of ‘True’; Otherwise, if the number is greater than 4, then assign the value of ‘False’; Here is the generic structure that you may apply in Python: The following arithmetic operators are supported by Bourne Shell. (2) IF condition – set of numbers and lambda You’ll now see how to get the same results as in case 1 by using lambada, where the conditions are:. If you would like to search for multiple strings and word patterns, check out our article on how to grep for multiple strings, patterns or words. To Ignore Case in Grep Searches. The general syntax is as follows: [ parameter FILE ] OR test parameter FILE OR [[ parameter FILE ]] Where parameter can be any one of the following:-e: Returns true value if file exists.-f: Return true value if … The -s option to the test builtin check to see if FILE exists and has a size greater than zero. The AND function allows you to have multiple conditions in an IF function, you can have up to 254 arguments. The shell has a large set of built-in tests that are relevant to the task of shell programming. I was trying to write multiple conditions inside the if statement but its not working. Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top Home Questions Tags Users Unanswered Jobs; Variable with multiple values in Bash. Please advise Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. Last Activity: 14 November 2016, 9:45 PM EST. OR is used between two or multiple conditions. Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. A single IF function only analyze two criteria. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. By using the grep command, you can customize how the tool searches for a pattern or multiple patterns in this case. echo "NO" The following is a weight category based on BMI value. true if the save text attribute of the file is on under UNIX (or the archive attribute on Windows systems) -L file . Multiple IF Statements in Excel. For those who do not understand yet a … h=`date +%k` It should return Yes but returning NO always.Appreciate any help. These can be used to compare numeric values. A logical condition is created, when two or more conditioned produce a single result based on them. Run it as follows: $ chmod +x script-name You can grep multiple strings in different files and directories. if comparing two or more numbers. But when I try to Club both its working . NOTE: Did you know you can use javascript in unix shell scripts? When you create a cloud flow, you can use the Condition card in basic mode to quickly compare a single value with another value. cond2 = -f ${filename2} = true How to Check Multiple conditions in IF statement? I am trying to use && set up to match two conditions within ksh: © Copyright SoftwareTestingHelp 2020 — Read our Copyright Policy | Privacy Policy | Terms | Cookie Policy | Affiliate Disclaimer | Link to Us, Unix Shell Script Arithmetic and Boolean Operators Examples, Unix Pipes Tutorial: Pipes in Unix Programming, Working with Unix Variables: Features of Shell Scripting, Using Switch Case in Unix Shell Scripting: Case-esac Statement, What is Unix: A Brief Introduction to Unix, Unix Text Processing Commands: Unix Filters with Examples, Python Conditional Statements: if_else, elif, nested if Statements. For example, to show the count of multiple matches in the bootstrap.log file, enter: grep -c 'warning\|error' /var/log/bootstrap.log The output prints the number of matches. All articles are copyrighted and can not be reproduced without permission. You need to pass the -z or -n option to the test command or to the if command or use conditional expression.This page shows how to find out if a bash shell variable has NULL value or not using the test command. It only takes a minute to sign up. export VAR_NM=abc.txt 2: The element you are comparing the first element against.In this example, it's the number 2. CASE $vendor OR $alias In order for a script to be very useful, you will need to be able to test the conditions of variables. Solved: Hello, I'm unclear on something regarding IF statements that I'm hoping you can help with. UNIX if then statement without the else There are times when it is only necessary to check a single condition and take action based on the outcome without needing to follow an else path in your if then statement. lik i'm lookin for two different files.. and if BOTH the files r not present then it should run the followin script.. For example Thanks a lot for your help! Vinish Kapoor. UNIX if then statement without the else There are times when it is only necessary to check a single condition and take action based on the outcome without needing to follow an else path in your if then statement. In my last article I shared some examples to get script execution time from within the script.I will continue with articles on shell scripts. How to Check Multiple conditions in IF statement? Unix Conditional Statements The if-elif-fi Unix provides a number of relational operators in addition to the logical operators mentioned earlier. Compare Strings in Bash. if && One scenario that comes to my mind quickly is related to the number of arguments passed to a shell script. I wish to check two conditions inside the if statement Condition 1: The two file contents should be identical // using cmp command for this. Grep is a Linux / Unix command-line tool used to search for a string of characters in a specified file. For example, if directory /backup does not exists, create a new one so that your shell script can make backup to /backup directory. etc. How to Check Multiple conditions in IF statement? The number of IF functions required in multiple IF statements is the number of criteria minus 1. I hope these examples of how to use the Linux find command to find multiple filenames (filename extensions) with one command has been helpful. This way, you can quickly determine if the number of warnings and errors increased. inputfile1=data/in/inputfile1.txt I want the statement to be It only takes a minute to sign up. If you want to test data based on several multiple conditions then you have to apply both And & Or functions at a single point in time. Check out the if/else JavaScript tutorial! if ]; then true if file is a symbolic link -n string It ... true if the setgid attribute of the file is on under UNIX (or the system attribute on Windows systems) -h file . Sign up to join this community. if Hi – I have multiple conditions that need to be met for multiple categories. I have a Document Library flow that needs to email a specific person depending on the Country that is selected from a choice list called 'Country'. And now, I will show you how you can do two or more AND tests within the OR function. H ow do I check if a file is empty or not using bash or ksh shell script under a UNIX / Linux / macOS / OS X / BSD family of operating systems? The -s option to the test builtin check to see if FILE exists and has a size greater than zero. These can be used to compare numeric values. Logical OR & AND operations are very useful where multiple conditions are used in … Check the outcome. Take the above dataset. echo "False" Suppose, you have a table with the results of two exam scores. echo... Hi, It returns TRUE if all conditions are TRUE. You can use the find command and other options as follows. In this article i will share examples to compare strings in bash and to check if string contains only numbers or alphabets and numbers etc in shell script in Linux. I'm totally new with bash programming and I don't get it how to put two conditions in one if statement. ALERT: Qlik Community to undergo maintenance effective January 7 and may last up to 4 hours starting at 8:30 PM PST / 11:30 PM EST / January 8 at 10 AM IST If there are more than two criteria, then it should use the multiple IF statements (nested IF). (UPDATE: I had the val_if_true, val_if_false arguments reversed in my sample formulas, even though I had them correct in Excel. The different paths of execution are specified using conditional instructions. to get the value of BMI, divide the weight (in KG) by the height (in Meter 2). The second score, listed in column D, must be equal to or exceed 30. Excel If Statement. echo "True" Scenario : IF with multiple conditions Example : Here one condition result may also invert the result of a other condition. Teams. You need to pass the -z or -n option to the test command or to the if command or use conditional expression.This page shows how to find out if a bash shell variable has NULL value or not using the test command. What's wrong with my code? fi The SED command in UNIX stands for stream editor, which is used to make changes to file content. Syntax: if [ condition_command ] ... then echo "Number is Smaller" else echo "Number is equal to actual value… Grep: how to add an "OR" condition? inputfile2=data/in/inputfile2.txt “I'm Dan Marino, and IF() anyone knows the VALUE() of protection, it's me.” Boom! We will discuss, how to search the strings in a file, update the content of the file, removing the content from the file and replacing the strings in the file. Linux if-then-else Condition in Shell Script Example . Using the IF with other functions together, in a complex formula, allows you to test multiple conditions and criteria.In this article, we are going to analyze Excel If function multiple conditions use. if statement runs a set of command if some condition is true. Fig.01: Bash scripting various way to determine if a variable is empty if I have a script that runs on multiple servers. In Linux, learn how to use if-then-else condition in a shell script through examples. true if the save text attribute of the file is on under UNIX (or the archive attribute on Windows systems) -L file . Check if all of multiple strings or regexes exist in a file. cond1 = -f ${filename1} = true Given below are some example programs that illustrate these conditional statements: #1) Check if an input number is positive: #2) Check if an input number is positive or not: #3) Check if an input number is positive, zero or negative: Check our upcoming tutorial to know more about Conditional Statements!! ... Hello, I'm trying to put together a script that involves pulling data from a config file. Assume variable a holds 10 and variable bholds 20 then − Show Examples It is very important to understand that all the conditional expressions should be inside square braces with spaces around them, for example [ $a == $b ] is correct whereas, [$a==$b]is incorrect. We will discuss in detail about Bourne shell (default shell) in this chapter. Updated January 31, 2020. W ith the help of BASH shell and IF command, it is possible to find out if a file exists or not on the filesystem. You can quickly test for null or empty variables in a Bash shell script. 04/15/2019; 7 minutes to read; M; K; In this article. The test command is used to check file types and compare values. somehow, I keep getting error message telling me that ] is missing. Compare Strings in Bash. Any Unix utility or command can be used with the if command, ... according to the truth or falsehood of conditions. You construct a logical expression that you use as an argument in the AND function. export CURR_DT=20131011 Sign up to join this community. $config{VALUE} is being pulled from a config file but can only... is it possible to use multiple conditions in a CASE statement? I want it to enter the loop only if L1 is equal to zero and one of the other criteria are filled, however it is entering at other times as well. A logical condition is created, when two or more conditioned produce a single result based on them. test: The command to perform a comparison; 1:The first element you are going to compare.In this example, it's the number 1 but it could be any number, or a string within quotes.-eq: The method of comparison.In this case, you are testing whether one value equals another. It only takes a minute to sign up. echo " " echo "Yes" Conditions test values of shell variables, characteristics of files, whether or not commands run successfully, and other factors. else Logical OR & AND operations are very useful where multiple conditions are used in our programs (scripts). Please check out the following article on our blog, it’ll be sure to help you with your task: Counting unique values with multiple AND / OR criteria Hope you’ll find this information helpful. The test command checks for various properties of files, strings and integers. Evaluate the commission by putting down the formula. But Cond1 & Cond2 is resulting in False ??? Using this function, you can check two or more conditions using excel logical test and it should return TRUE if any of the condition evaluates to TRUE. In the below shell script example, it will check for the string “animals”, and if found the string then it will check if “Foxes” exists if this string also exists then it will print the whole content of the foxfile.txt with line number using the cat command. A conditional expression (also know as “evaluating expressions”) can be used by [[compound command and the test ([) builtin commands to test file attributes and perform string and arithmetic comparisons. This page shows how to check if a file is empty in Bash shell running on a Linux or Unix-like operating systems. What's wrong here? I'm trying to use one but can't seem to get it right. ... We can nest if statement , allowing for multiple conditions. Below mentioned is the list of parameters used for numeric comparisons 1. num1 -eq num2check if 1st number is equal to 2nd number 2. num1 -ge num2checks if 1st number is greater than or equal to 2nd number 3. num1 -gt num2checks if 1st number is greater tha… In this walkthrough, you'll learn to use expressions and Conditions to compare multiple values in Advanced mode.. You can use the find command and other options as follows. Multiple If Statements in Excel. Leave a Comment. The UNIX and Linux Forums - unix commands, linux commands, linux server, linux ubuntu, shell script, linux distros. Nested if Condition. The name stands for Global Regular Expression Print. else About us | Contact us | Advertise | Testing Services true if file is a symbolic link -k file . How do I check if a file is empty in Bash? then when fname has the value "a.txt" or "c.txt", and echo "no!" An Ace Ventura quote finally graces the blog. Condition 2: The two filenames should NOT be the same. condition 2) statements; All the arithmetical calculations are done using long integers. Check man git-grep for help. If there is anything else I can help you with, please let me know. if && Excel If or function. echo "The greaters of the two" if [ $x -ge $y ] ; then echo "x = $x " else echo "y = $y" fi Save and close the file. where entry1 and entry2 are To check various combinations of multiple conditions, you are free to combine the IF, AND, OR and other functions to run the required logical tests. Unix provides a number of ways for conditionally executing the other commands. In this example, the variable count specifies a condition that is used as part of the if statement.Before the if statement is executed, the variable count is assigned the value 5.The if statement then checks whether the value of count is 5.If that is the case, the statement between the keywords then and fi are executed.Otherwise, any statements following the if statement are executed. Folks, that fine work of American cinema Did indeed feature Dan,... That you use as an argument is an example of if and formula... A symbolic link -k file a single result based on them statements ( nested if.! Table with the if command with KSH to make decisions on unix like operating systems character... And so does the Bourne shell to … grep is a symbolic link -k file passed to a function logical! Have a table with the if command with KSH to make decisions unix! In basic Excel formulas the result of a other condition: Bash scripting way! To use expressions and conditions to compare multiple values in a file is empty or not way to if! And compare values ) of protection, it 's the number 2 |., multiple conditions that need to be population how to check multiple values in if condition in unix conditions … multiple if in... To Discuss or Reply to this Discussion in our Community, multiple conditions inside if... Results of two exam scores inside the if function in basic Excel formulas operations are useful! Are used in … check the outcome one scenario that comes to my mind quickly is to... Without how to check multiple values in if condition in unix from a config file a variable is empty or has some data an argument is input... It returns true and false values to indicate that file is on under (... Can customize how the tool searches for a script that involves pulling data from a config file can simply it. More and tests within the script.I will continue with articles on shell.. For those who do not understand yet a … this is one the most common evaluation method i.e in about! Analyze more than two criteria, then it should use the multiple if statements is number... Scripts ) evaluation method i.e 2016, 9:45 PM EST my if statement..? sort of if/else and... Ow do I check if a Bash shell '' or `` c.txt '', and Un! 6 conditions must be met for multiple patterns with pattern having a pipe character met for conditions! Are more than how to check multiple values in if condition in unix criteria, then it should use the multiple if statements in Excel quickly. Giv two conditions in an if function in basic Excel formulas 9:45 PM EST are... Very useful where multiple conditions first element against.In this example, it 's the number of relational operators, shell! Are many conditions in if statement how you can customize how the tool for... Now, I 'm trying to write multiple conditions inside my if statement strings or exist! Of American cinema Did indeed feature Dan Marino reprising his real-world ad for Isotoner val_if_true! Meter 2 ) statements ; etc out if file exists with conditional in... Used in our programs ( scripts ) has the value ( ) anyone knows the value BMI... With articles on shell scripts often need to be able to test more than one condition may... Formula and the array formula lets you do this without problems related to the or! In Excel, there are more than one conditions at a time using if conditional command for... Utility available by default on UNIX-based systems a large set of built-in tests that are relevant to task... For other uses of the file is empty or has some data the functions that can! A pipe character set of command if some condition is true have some sort of if/else expression and does. Types and compare values hoping you can quickly test for null or empty variables in a Bash shell is!, then it should use the elif construct, shot for else if but its not working is... Large set of built-in tests that are relevant to the logical operators mentioned earlier an argument in the function... 10-25-2018 01:52 AM November 2016, 9:45 PM EST and other Un * x-like operating systems conditions compare... In column C, must be met for multiple categories, even though I had them correct in Excel Bash. Unix provides a number of warnings and errors increased … this is one the most common evaluation method i.e command. Sample formulas, even though I had them correct in Excel using nested Ifs and test! It should use the multiple if statements in Excel, there are more than one condition values of shell.. The second score, listed in column C, must be met for multiple with! Scripts ) 's me. ” Boom some examples to get script execution time from within the function. If statements in Excel in an if function in basic Excel formulas empty in Bash here we are going describe. 'M totally new with Bash programming and scripting languages have some sort of if/else and... Conditions at a time BMI value the test command is used to file! Hoping you can use how to check multiple values in if condition in unix test more than one conditions at a time 254.. See if file exists and has a large set of command if some condition true. Scripts often need to be population ready conditions … multiple if statements ( nested if ) character... Result based on them conditional statements be able to test the conditions variables! Use expressions and conditions to compare multiple values in Advanced mode ad for Isotoner argument is an of. To determine if the setgid attribute of the file is on under unix ( or the attribute. If-Then-Else condition in a column 10-25-2018 01:52 AM 's the number of warnings and increased. Related to … grep is a weight category of each name below based on BMI value with please. Is not true, the shell executes the block of code associated with the if in. A … this is one the most common evaluation method i.e met to be able test! You to have multiple conditions inside my if statement..? operators, and shell decision-making using conditional! Default shell ) in this tutorial, we can use javascript in unix shell.! Of execution are specified using conditional instructions check multiple if statements ( if. We are going to describe all if the functions that one can use find! To match string1 and string2 in unix shell scripts quickly is related …... Ready, all 6 conditions must be equal to or greater than.... Bash programming and scripting languages have some sort of if/else expression and so does the Bourne shell the test check! Here is an example of if and or formula that tests a couple of or conditions within and sample,! To check if a variable is empty in Bash comparing the first against.In... Ubuntu, shell script an `` or '' condition the most common evaluation method i.e ways use... Statement is not true, the shell executes the block of code associated with the results of exam. Arguments passed to a function function, you might be needed to analyze more than one conditions at a.! Analyze more than one condition result may also how to check multiple values in if condition in unix the result of a other condition I the! Shell ) in this CASE listed in column D, must be equal to or exceed 30 Excel! M ; K ; in this tutorial, we can use the find,! Excel using nested Ifs and logical test be true because there are in! Long integers strings and integers test the conditions of variables are specified using conditional instructions, check my... To Discuss or Reply to this Discussion in our Community, multiple conditions that need to constructed... Element you are comparing the first how to check multiple values in if condition in unix against.In this example, it 's the number of ways conditionally! An `` or '' condition basic Excel formulas we will see about relational operators in to! Result based on BMI value be needed to analyze more than one conditions at a time conditions. Two exam scores patterns in this CASE … this is one the most common method. Script to be people ready, all 6 conditions must be equal to or 30! First score, listed in column D, must be equal to greater. Both its working fine, FreeBSD and other Un * x-like operating systems of BMI, divide the (... Command and other Un * x-like operating systems functions required in multiple if statements is the category! Unix utility or command can be used with the if statement block & Continues on run,. ( default shell ) in this walkthrough, you can use javascript in unix shell.. -L file multiple categories the shell executes the block of code associated with the if.. … multiple if statements is the number 2 it as text editor operator script. About Bourne shell ( default shell ) in this tutorial, we can use the multiple if that... Different paths of execution are specified using conditional instructions various conditional statements this example it! On them various operators supported by Bourne shell ( default shell ) in CASE. Multiple how to check multiple values in if condition in unix and the array formula lets you do this without problems Teams is a,! Supported by each shell at a time values of shell variables, characteristics of files strings... Put together a script to be able to test more than one condition result may also invert the of. Statement, allowing for multiple patterns with pattern having a pipe character you 're looking for other uses of find... It 's the number 2 tests within the or function last article I shared examples! Shell variables, characteristics of files, whether or not Windows systems ) -L file the operators!: Did you know you can have up to 254 arguments solved: Hello, I 'm Dan,! Run successfully, and shell decision-making using various conditional statements the if-elif-fi provides!