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Bash Expr Syntax Error

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Realism of a setting with several sapient anthropomorphic animal species On THE other hand or on another hand? As this variable is not numeric anymore, the test operator "[" returns an error as it is comparing a non numeric variable using the numeric comparator "-lt". Can I use an HSA as investment vehicle by overcontributing temporarily? Is the standard Canon 18-55 lens the same as 5 years ago? http://gatoisland.com/syntax-error/bash-expr-substr-syntax-error.php

They really do it. asked 4 years ago viewed 3365 times active 4 years ago Related 2What is wrong? “Syntax error: unexpected end of file”0How to run mysql commands through shell script?0Cannot log into mysql Then I've modified that portion as below - Code: ls -1 ${common_path_in}/$i/*.csv | xargs -n1 basename | while read filename do echo "${filename}" tot_rec_count=`wc -l "${common_path_in}/$i/${filename}" | cut -f1 -d' '` Reading the man page, I realized expr does something quite different on OS X than on Linux.

Expr Index Syntax Error

How to deal with a very weak student? Thanks, Jagari Remove advertisements Sponsored Links jagari View Public Profile Find all posts by jagari

#6 02-23-2012 methyl Advisor Join Date: Mar Anyway, if the answer solved your issue, please accept it and then ask a new one for the next error. –terdon♦ Apr 9 '15 at 16:10 1 Just a suggestion,

It's something the OP can examine if they ever need to do something more complex but I don't think I need to cover it here. –paxdiablo May 28 '15 at 8:55 Instead prefer $(). I'm sorry for going on too much but such things matter more than machines.On the other hand, you're a royal pain in the ... Expr Length Syntax Error 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

EOF is not inherently an error condition, but when an EOF is an error it usually means the interpreter thinks your program has ended prematurely--it was anticipating something, which never occurred Mac Expr Syntax Error Ubuntu Logo, Ubuntu and Canonical Canonical Ltd. By joining our community you will have the ability to post topics, receive our newsletter, use the advanced search, subscribe to threads and access many other special features. 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

Find More Posts by XavierP View Blog 06-06-2005, 03:14 AM #4 baosheng Member Registered: Oct 2004 Location: Lubbock, TX, USA Distribution: Ubuntu 7.10 Posts: 74 Original Poster Rep: it Bash Expr Example Regards, Jagari Remove advertisements Sponsored Links jagari View Public Profile Find all posts by jagari #2 02-23-2012 vbe Moderator Join Date: Sep 2005 Last Roberts Apr 22 '13 at 17:43 add a comment| 1 Answer 1 active oldest votes up vote 1 down vote accepted The substr operation is a non standard extension and not I accepted a counter offer and regret it: can I go back and contact the previous company?

Mac Expr Syntax Error

In bash you can also use built-in arithmetic expansion like this: echo $(( ($var1+$var2)/$var3 )) And for infix calculations there's bc (while dc is for reverse-polish notation). A name for a well-informed person who is not believed? Expr Index Syntax Error A name for a well-informed person who is not believed? Math Shell Script 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

I've done the coding in vi editor and have not used MS editor. http://gatoisland.com/syntax-error/bash-if-syntax-error.php I have also got into the habit of using curly braces even when they are not strictly necessary because it makes the variable name totally unambiguous. I accepted a counter offer and regret it: can I go back and contact the previous company? If the error message had said the error was an end of line in the backquote substitution, you would probably have immediately recognized the problem (provided you know that ` is Expr Syntax Error Multiplication

Blank space must appear between it and its first argument. Code: act_rec_count=$((${tot_rec_count} - 1)) Also, I wouldn't bother with an array. Mac OS X uses BSD expr which does not have the index command. this contact form EOF stands for end-of-file and it means there are no more data available to read--in this case, text for the bash interpreter to read.

Join them; it only takes a minute: Sign up I am getting expr syntax errors in bash shell for a simple program up vote 1 down vote favorite #!/bin/bash clear echo Bash Expr Float Does zsh do the same?BTW, if you're using multibyte characters, the last command should be wc -m. What are the holes on the sides of a computer case frame for?

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Is 8:00 AM an unreasonable time to meet with my graduate students and post-doc? Integral using residue theorem complex analysis How rich can one single time travelling person actually become? Browse other questions tagged bash expr or ask your own question. Bash Expr Division Please explain the local library system in London, England Can a creature benefit from differently typed speed bonuses all named fast movement?

bash expr share|improve this question edited May 28 '15 at 4:08 Avinash Raj 126k84883 asked May 28 '15 at 4:08 Robo Smith 61 r=$(expr $a % 10) –Avinash Raj All rights reserved. Why are some programming languages Turing complete but lack some abilities of other languages? navigate here I dont get your logic: Once your are reading A (yes 1!) filename what is the point to go through all this strange calculation and no storing of $filename (???), I

Instead, as others have said, simply add the missing backquote where it was supposed to be. bash expr share|improve this question asked Aug 30 '14 at 23:00 rudolph9 4,00073163 Have you tried using echo $(expr match "$stringZ" 'abc[A-Z]*.2')? –Tom Fenech Aug 30 '14 at 23:04 Then what you intended as the contents of the second backquote expression it sees outside of backquotes, and sees the following as a second backquote expression: ` done echo "The factorial However, it's not really necessary to call the external expr1 to do mathematical manipulation and capture the output to a variable.

You're a strict task master but right; I read in the man page about it returning zero and forgot. In this technique I used this: a=`expr $var1 \* $var2 / $var3` This is giving errors, and apperently, I can't do this: a=`expr ($var1 \* $var2) / $var3` because this gives Not the answer you're looking for? Helpful (0) Reply options Link to this post by Gary Kerbaugh, Gary Kerbaugh Apr 12, 2007 6:41 PM in response to Ken Nellis Level 6 (18,040 points) Apr 12, 2007 6:41

Why did companions have such high social standing? Can anybody suggest which command I should use to get the same functionality of the above on OS X?ThanksAndreas MacPro, Mac OS X (10.4.9), Server Posted on Apr 11, 2007 11:45 Browse other questions tagged bash expr or ask your own question. Similarly, it is required to pass the closing ] of a [ command as a separate command-line argument.

And use indentation. –muru Apr 9 '15 at 16:02 2 I'm voting to close this question as off-topic because problems due to typos are hardly useful. –muru Apr 9 '15 Is it possible to check for existence of member template just by identifier? Please post it as an answer and I will check it off =] –Jeffrey L. up vote 0 down vote favorite How to avoid syntax error on missing command line arguments?

The same be achieved with cut: echo "onetwothree" | cut -c 1-3 share|improve this answer edited Nov 25 '15 at 14:51 answered Apr 21 '13 at 7:02 kofemann 1,418817 add a Which requires more energy: walking 1 km or cycling 1 km at the same speed? You put me onto something, and after a quick Google I came across a solution here. But it happens every day.

Although the strange formatting displayed in the output of some command-line utilities might convey the impression that what begins with ` ends with ', that is not the case. (I noticed Good way to explain fundamental theorem of arithmetic? Spaces not lost fred="abc" echo "${fred}42 displaced" abc42 displaced 2.

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