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Bash If Syntax Error Operand Expected

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Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the share|improve this answer edited May 30 '14 at 20:44 answered May 30 '14 at 18:52 mklement0 44.5k8100105 The point is valid, but [[ ]] should also work with ksh How to pluralize "State of the Union" without an additional noun? Least Common Multiple no outgoing connection via ipv4 Is the standard Canon 18-55 lens the same as 5 years ago? navigate here

Not the answer you're looking for? Now I know my ABCs, won't you come and golf with me? Good way to explain fundamental theorem of arithmetic? Browse other questions tagged ubuntu or ask your own question.

Bash Syntax Error Operand Expected Error Token Is

Yes? This is because each number and arithmetic operator must be passed as a separate command-line argument to expr: [email protected]:~$ expr 1+1 1+1 [email protected]:~$ expr 1 + 1 2 To fix this asked 2 years ago viewed 7321 times active 2 years ago Related 2882Can a Bash script tell which directory it is stored in?975Check if a program exists from a Bash script364Redirect

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Since it is a command, command substitution is needed. Bash (error Token Is ") Replace the for loop with for i in "${directories[@]}"; do - add double quotes. Which requires more energy: walking 1 km or cycling 1 km at the same speed? When was this language released?

How to indicate you are going straight? Integer Expression Expected Once I written one, I got some unknown errors that I don't to correct. Thanks. Instead of a while loop, why not a for loop?

Bash (error Token Is ")

bash unix share|improve this question edited Nov 15 '15 at 16:04 Doorknob 33.1k1859103 asked Nov 15 '15 at 16:03 luke davis 13 1 You're missing lots and lots of spaces. declare¶ You may recall, that when the text book introduced the declare statement, it said that it is not always needed. Bash Syntax Error Operand Expected Error Token Is INTEGER1 -eq INTEGER2 INTEGER1 is equal to INTEGER2 INTEGER1 -ge INTEGER2 INTEGER1 is greater than or equal to INTEGER2 INTEGER1 -gt INTEGER2 INTEGER1 is greater than INTEGER2 INTEGER1 -le INTEGER2 INTEGER1 Syntax Error In Expression Error Token Is As we know operator + takes two operands, but here y (the second one) is missing, thus the error operand expected (error token is “+ ”).

What are the canonical white spaces? check over here But you have to treat the variables as strings. Why did companions have such high social standing? UNIX is a registered trademark of The Open Group. Invalid Arithmetic Operator (error Token Is

Can I use an HSA as investment vehicle by overcontributing temporarily? Browse other questions tagged bash shell or ask your own question. asked 1 year ago viewed 3656 times active 1 year ago Related 2pgModeler installation - Dependencies error5Configuration error: Iberty library not found0Strange bash sytax error depending on sudo usage0Trying to install http://onlinetvsoftware.net/syntax-error/bash-script-syntax-error-operand-expected.php Not the answer you're looking for?

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Browse other questions tagged linux bash or ask your own question. You want [[ and ]] or [ and ] (which are quite different -- and the former is usually better) for comparing strings. –Charles Duffy Mar 27 '12 at 0:10 more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed Unary Operator Expected How would family relationships change if legal system uses collective punishment?

Hot Network Questions Is the standard Canon 18-55 lens the same as 5 years ago? As @Charles Duffy points out in comments on the OP, there is potential for making your commands more efficient. This is not merely a matter of idle curiosity--understanding that helps you comprehend this and other error messages in the future. weblink Using the shell's read builtin to parse these contents a whole line at a time would be considerably simpler and more readable. –Charles Duffy May 30 '14 at 19:34 1

They all relate to command-line syntax, most for bash, but in one case for the separate expr utility. What type of sequences are escape sequences starting with "\033]" How does the pilot control the Dassault Rafale? How does the pilot control the Dassault Rafale? Force Microsoft Word to NEVER auto-capitalize the name of my company GTIN validation When taking passengers, what should I do to prepare them?

Dennis numbers 2.0 Which requires more energy: walking 1 km or cycling 1 km at the same speed?