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Syntax Error Operand Expected Error Token Is Bash


on Stack Overflow. Join them; it only takes a minute: Sign up Syntax error: operand expected (error token is “+”) up vote 5 down vote favorite I'm writing a script in bash and I I actually think that $var is empty, but I don't the same Shell as you in order to generate the exact error message. What object can prove the equations? http://fullflash.net/syntax-error/syntax-error-near-unexpected-token-bash-function.html

share|improve this answer edited Sep 18 '14 at 18:08 answered Sep 18 '14 at 15:47 Eliah Kagan 56.5k16163256 add a comment| Your Answer draft saved draft discarded Sign up or for i in {0,1,2}; works for me –Ubuntuser Sep 4 '13 at 7:10 @Ubuntuser How do you run the script? –Radu Rădeanu Sep 4 '13 at 7:12 Why is the size of my email so much bigger than the size of its attached files? Not sure why. http://stackoverflow.com/questions/20176640/syntax-error-operand-expected-error-token-is

Syntax Error Operand Expected Error Token Is Bash

MTK358 View Public Profile View LQ Blog View Review Entries View HCL Entries Find More Posts by MTK358 View Blog 08-14-2011, 03:17 PM #7 crts Senior Member Registered: Jan Output a googol copies of a string What to do when majority of the students do not bother to do peer grading assignment? As you can see, it is also a little picky about spaces, but it wants the opposite of what expr wanted.

  • I also don't see how this is an Ubuntu issue, as it's a pure generic coding question and belongs on Stack Overflow, not here. –Thomas Ward♦ Apr 9 '15 at 16:01
  • bash unix share|improve this question asked Nov 24 '13 at 16:03 shoham 3422417 Why the downvote? –Blue Ice Nov 24 '13 at 16:27 Check also the -gt
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  • But you should probably consider anything starting with - as dangerous in case future bash versions add new options.
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  • Although, in terms of syntax, indirect expansion as presented above is nearly as simple as doing it with an array, you still may wish to use an array because: It may
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Of course, this would mean that you also must have forgotten a space in the same line. Why do you use $(( )) instead of $[ ] like I was tought? –shoham Nov 24 '13 at 16:39 Well, either way is correct. Here is the snippet.. #!/bin/bash k=0 #this loop is just for being sure array is loaded while [[ $k -le ${#hitEnd[@]} ]] do echo "hitEnd is: ${hitEnd[k]} and hitStart is: ${hitStart[k]}" Invalid Arithmetic Operator (error Token Is Linked 0 syntax error: operand expected (error token is “- ”) Related 2bash script error let: -: syntax error: operand expected (error token is “-”)0operand expected (Error token is “-”) and

Enable Wireless on Fresh Debian Build What is way to eat rice with hands in front of westerners such that it doesn't appear to be yucky? Bash (error Token Is "<= ") AWS EC2 SSH from my IP address which has changed Are assignments in the condition part of conditionals a bad practice? In order to become a pilot, should an individual have an above average mathematical ability? news Thanks.

Reason: removed ambiguous sentence crts View Public Profile View LQ Blog View Review Entries View HCL Entries Find More Posts by crts 08-14-2011, 04:30 PM #8 MTK358 LQ 5k Expr: Syntax Error expr¶ An old Unix program that can evaluate math is expr. Magic Item Distribution? let array[l]++ k=$((k+1)) done The variables in the for loop are echoed correctly but for loop won't work..

Bash (error Token Is "<= ")

They all relate to command-line syntax, most for bash, but in one case for the separate expr utility. http://askubuntu.com/questions/607240/why-am-i-getting-a-syntax-error-in-this-script UPDATE: The reason for not using is mostly because they are easier to miss. –tusharkant15 Apr 9 '15 at 16:37 | show 9 more comments 4 Answers 4 active oldest votes Syntax Error Operand Expected Error Token Is Bash Code: # custom prompt function create-prompt-infobar { local i=0 if (($COLUMNS >= (${#PWD} + ${#?} + 11))); then echo -n "$PWD" for ((i=0; i<($COLUMNS-${#PWD}-${#?}-10); i++)); do echo ""; done echo -n Let: Syntax Error However, I suspect that only the latter is needed. –mklement0 May 30 '14 at 20:19 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign

My distro is a little different from shiftyp's, but everything else is the same: $ rvm install 2.0.0 --debug ruby-2.0.0-p481 - install ruby-2.0.0-p481 - #already removed src/ruby-2.0.0-p481 ruby-2.0.0-p481 - #already removed this content For example, in the first iteration of the loop, if $s appeared it would be expanded to INPUT1. appearing in double quotes is escaped using a backslash. 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 Syntax Error In Expression (error Token Is )

Bang! –gniourf_gniourf Dec 2 '12 at 18:50 | show 1 more comment up vote 1 down vote A bit bandaid-y, but you rewrite your for-loop into a while loop: l="${hitStart[k]}" while My 21-year-old adult son hates me Why cast an A-lister for Groot? Contact Us - Advertising Info - Rules - LQ Merchandise - Donations - Contributing Member - LQ Sitemap - Main Menu Linux Forum Android Forum Chrome OS Forum Search LQ weblink Blank space must appear between it and its first argument.

Ask Ubuntu works best with JavaScript enabled UbuntuCommunityAsk!DeveloperDesignDiscourseHardwareInsightsJujuShopMore ›AppsHelpForumLaunchpadMAASCanonical current community chat Ask Ubuntu Ask Ubuntu Meta your communities Sign up or log in to customize your list. Integer Expression Expected If you need to reset your password, click here. where am I wrong? # as gniourf_gniourf answered: "...

requirements code for ubuntu loaded Found required packages: bash, curl, patch, bzip2, ca-certificates, gawk, g++, gcc, make, libc6-dev, patch, openssl, ca-certificates, libreadline6, libreadline6-dev, curl, zlib1g, zlib1g-dev, libssl-dev, libyaml-dev, libsqlite3-dev, sqlite3, autoconf,

How big can a planet be How do I handle an unterminated wire behind my wall? In interactive mode, type cntrl-d (EOF) to exit. Remove advertisements Sponsored Links methyl View Public Profile Find all posts by methyl #3 05-09-2011 metal005 Registered User Join Date: May 2011 Last Activity: 23 March 2015, 9:42 Arithmetic In Bash The variables only get updated if you call external commands.

But these answers do not directly answer the question as stated, so I'll do that: Here is how you can do that with eval to access the variables, following closely the Script is: #!/bin/sh BACKUP_DRIVE='/backup' if [[ "$( grep $BACKUP_DRIVE /etc/fstab | awk '{print $2}')" -ne "0" ]]; then if [[ "$( df -h | grep $BACKUP_DRIVE | awk '{print $6}')" -ne Die Liebe höret nimmer auf Strange device identification My 21-year-old adult son hates me What is way to eat rice with hands in front of westerners such that it doesn't appear check over here Don't you mean this instead? #!/bin/bash # define arrays hitStart[@] and hitEnd[@]... # define array array[@] #this loop is just for being sure array is loaded for ((k=0;k<${#hitEnd[@]};++k)); do echo "hitEnd

The "sed" is to make all characters visible Code: var="$(/disk/sio -p3 -b57600 -R)" echo "$var" | sed -n l By the way, what Operating System and version do you have? For some reason this environment variable, maybe others, does not seem to function once inside a script. Quote: Originally Posted by makyo you should try removing the "$" from the first part of the "for" statement -- i.e. "$i=" should be "i=" -- after some reflection, I think