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Bash For Syntax Error Bad For Loop Variable


Meaning of "soul-sapping" Why are some programming languages Turing complete but lack some abilities of other languages? That is a release from 2003. 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 You should not include the keyword "in" in the for loop. http://onlinetvsoftware.net/syntax-error/bash-syntax-error-bad-for-loop-variable.php

Follow us on Google+ Follow us on Twitter Become a fan on Facebook Support Us Support this blog by purchasing one of my ebooks. However the variable j start with 5, and getting increment by 5 every time the loop gets executed. $ cat for10.sh for ((i=1, j=10; i <= 5 ; i++, j=j+5)) do All the statements between do and done are executed repeatedly until the value of expr2 is TRUE. Both of you caught my ash/Bash mixup. –dericke May 30 '12 at 18:29 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using

Syntax Error Bad For Loop Variable Shell

If you have an older version you can use instead of {START..END..INCREMENT} the command $(seq START INCREMENT END) in the for loop. A name for a well-informed person who is not believed? The syntax you posted exist only in bash (and some other shells, but not ash).

  1. 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
  2. share|improve this answer answered Apr 11 '11 at 20:35 Michael Krelin - hacker 64.7k6131141 Works fine in bash as currently displayed in the post –Jim Garrison Apr 11 '11
  3. Range of numbers with increments after "in" keyword The following example loops through 5 times using the values 1 through 10, with an increment of 2.
  4. so i think Weberick tipped me off to the issue...
  5. Method 2: Bash For Loop using C like syntax The second form of the for loop is similar to the for loop in "C" programming language, which has three expressions (initialization,

Search Forums Show Threads Show Posts Tag Search Advanced Search Unanswered Threads Find All Thanked Posts Go to Page... unix and linux operating commands Syntax error: Bad for loop Do you want to help us debug the posting issues ? < is the place to report it, thanks ! The time now is 08:26 PM. - Contact Us - Unix & Linux - unix commands, linux commands, linux server, linux ubuntu, shell script, linux distros. - Advertising - Top Bash Syntax Error Invalid Arithmetic Operator PS.

What to tell to a rejected candidate? Bash Syntax Error Near Unexpected Token Done' Anyway, you have a missing semicolon. –Robin Green Apr 11 '11 at 20:33 1 That works for me. Any help please? Join them; it only takes a minute: Sign up Writing a for loop in bash using a variable up vote 1 down vote favorite 3 I want to create a for

Ash is a relatively basic one designed for a small memory footprint and fast execution. Bash Syntax Error Near Unexpected Token Then' How to deal with a very weak student? On THE other hand or on another hand? What I've Checked So Far: I've tried to check my version of bash to make sure it supports this type of syntax.

Bash Syntax Error Near Unexpected Token Done'

Please tell me the reason behind this. Find all posts by kshji

#4 05-08-2010 drl Registered Voter Join Date: Apr 2007 Last Activity: 1 October 2016, 2:32 PM EDT Location: Saint Paul, MN Syntax Error Bad For Loop Variable Shell You have the right header so now the 'sh' bit you were using to attempt to run it with is not needed. Bash Syntax Error Near Unexpected Token Else' Tweet >Add your comment If you enjoyed this article, you might also like.. 50 Linux Sysadmin Tutorials 50 Most Frequently Used Linux Commands (With Examples) Top 25 Best Linux Performance

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 http://onlinetvsoftware.net/syntax-error/bash-for-loop-syntax-error-near-unexpected-token.php Is the following extension of finite state automata studied? Related 2882Can a Bash script tell which directory it is stored in?721How do I prompt for input in a Linux shell script?975Check if a program exists from a Bash script542Looping through There are many ways to to a range. Bash Syntax Error Near Unexpected Token Fi'

linux bash for-loop share|improve this question edited Apr 4 '14 at 13:34 asked Apr 4 '14 at 13:08 dot 2,926154177 Your example works for me... –Stephan Kulla Apr 4 done In the above bash for command syntax, Before the first iteration, expr1 is evaluated. cd ~ ls * The following will display all the *.conf file that begins with either a, b, or, c or d under /etc directory. $ ls -1 /etc/[abcd]*.conf /etc/asound.conf /etc/autofs_ldap_auth.conf his comment is here They might not be running true versions of Bash, or maybe an older version.

This is one of them. Bash Syntax Error Near Unexpected Token Do' Its throwing error as: syntax error: operand expected (error token is "{2..5}") Please help me where I have to give this operand ‘(‘. This is usually used to increment a loop counter.

and was struck doing the benchmarks with the error bad loop variable … after doing the change you have given , I got it solved..

GTIN validation How to make different social classes look quite different? Works fine in bash. You need to press Ctrl-C to stop the loop. $ cat for9.sh i=1; for (( ; ; )) do sleep $i echo "Number: $((i++))" done Like we said above, press Ctrl-C Bash Syntax Error Near Unexpected Token Newline' Why?

Looking for your reply. Realism of a setting with several sapient anthropomorphic animal species How to increase the population growth of the human race Password Protected Wifi, page without HTTPS - why the data is Try something like: Code: for x in $(seq 0 ${#IPADDRESS}); do echo $x done Remove advertisements Sponsored Links dunkar70 View Public Profile Find all posts by dunkar70

weblink again thanks a lot… @Ramesh clean and simple… great article Link Venadan September 4, 2012, 6:50 am Awsome examples…and use almost every day..great job !!!

every time i try to work run these scripts i get "./week.sh[5]: i++: more tokens expected" this error Link Cancel reply Leave a Comment Name Email Website Comment Notify me of very thanks in advance Link mathison April 15, 2013, 12:59 pm Im trying to run each comand then the next one in a loop. The ";" doesn't make a difference if you have the do on the next line...just FYI. Link Nic December 25, 2012, 10:48 am I've never been able to get bracket expansion to work in a loop… [email protected] ~/sandbox $ for i in [abcd] ; do echo $i;done

Code: (( ... )) is a bash-ism, not recognized by dash. To execute the script, I was running "sh test.sh" when in the code I had defined it as a BASH script! Unix & Linux Stack Exchange works best with JavaScript enabled ≡ Menu Home Free eBook Start Here Contact About 12 Bash For Loop Examples for Your Linux Shell Scripting by Ramesh varname is any Bash variable name.

did you use 'bash myscript.sh' or added '#!/bin/bash'? –weberik Apr 4 '14 at 13:16 3 Also curious as to how the script is being run (ie are you doing sh Try bash test1.sh, or ./test1.sh if it's executable, but not sh test1.sh. while : do sleep $i echo “Number: $((i++))” done Link Ken Butcher July 18, 2011, 11:16 am For those using Ubuntu, be aware that Dash is the symbolic link for sh Switch to bash or ksh93 if you want to use that syntax.

Meaning of Guns and ghee Do COB LEDs usually need electrically insulating from the heatsink? Good way to explain fundamental theorem of arithmetic? The script is run by doing "sh file.sh" in the bash and I have first done "chmod +x file.sh". –Krøllebølle Oct 26 '12 at 10:44 I put in an asked 1 year ago viewed 2683 times active 1 year ago Linked 507 Difference between sh and bash 0 Difference between source, zsh, “.” and directly shell script calling Related 255Bash

That, and using day+=5, does it. –dericke May 16 '12 at 23:38 add a comment| up vote 5 down vote This error message comes from ash. Therefore, even when sh is bash, "sh is not bash" still applies. –geirha May 20 '15 at 19:40 @geirha: On my Debian 6 system, /bin/sh is a symlink to i.e Instead of "Mon", it will use "Mon," as value as shown in the example below. $ cat for1-wrong1.sh i=1 for day in Mon, Tue, Wed, Thu, Fri do echo "Weekday share|improve this answer answered May 16 '12 at 18:38 Bruce Ediger 27.4k34495 can also use day+=5 –glenn jackman May 16 '12 at 18:41 OT: @glenn jackman bash

Browse other questions tagged bash sh or ask your own question. The following 12 examples shows how to bash for loops in different ways. 1. Problem? This is one of them. #!/bin/bash for i in `seq 1 8`; do echo $i done share|improve this answer answered Apr 4 '14 at 13:17 cheezsteak 1,1361920 2 The ";"