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Bash For Syntax Error Bad For Loop Variable


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 What does an 'ü' mean? Can filling up a 75 gallon water heater tank without opening a faucet cause damage? 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 this contact form

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 How to book a flight if my passport doesn't state my gender? 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 What could cause the throttle to stick in my Ford Ranger?

Syntax Error Bad For Loop Variable Shell

Link Varun May 29, 2012, 11:51 pm Hi Friends, I tried for loop as below. Can you try to make sure you're running the right shell ? i.e for loop will never get executed as shown in the example below. $ cat for3-wrong.sh i=1 for day in do echo "Weekday $((i++)) : $day" done $ ./for3-wrong.sh Mon Tue

Don't specify the list; get it from the positional parameters If you don't specify the keyword "in" followed by any list of values in the bash for loop, it will use Link Ravi Tyagi October 15, 2014, 4:40 am @@@@ Sahil for (( i=1; i<=10 ;i++ )) ; do echo "i m $i" ;done Link Mircea Alexandru Ticovschi June 2, 2015, 8:40 My focus is to write articles that will either teach you or help you resolve a problem. Bash Syntax Error Invalid Arithmetic Operator For other distros, you can test this using ls -l `which sh` and if it is dash, you can change it back to bash with cd /bin sudo rm sh sudo

My girlfriend has mentioned disowning her 14 y/o transgender daughter Does mean=mode imply a symmetric distribution? Bash Syntax Error Near Unexpected Token Done' Link Kamal Kishore July 12, 2011, 6:51 am cat for12.sh for num in {1..10..2} do echo "Number: $num" done Above example is not working…. Please explain the local library system in London, England Is this safe to display MySQL query error in webpage if something went wrong? Provide an answer of your own, or ask Suman Mitra for more information if necessary.

Unexpected parent process id in output Meaning of "soul-sapping" Modern soldiers carry axes instead of combat knives. Bash Syntax Error Near Unexpected Token Then' Any ideas on whats wrong. Similar as your example Number 4. ls -l /bin/bash, maybe ? –Costi Ciudatu Apr 11 '11 at 20:37 1 This works for me when you put the done statement on its own line. –Amir Afghani Apr

Bash Syntax Error Near Unexpected Token Done'

Lot of people fall into this trap. Continue from the top of the for loop Under certain conditions, you can ignore the rest of the commands in the for loop, and continue the loop from the top again Syntax Error Bad For Loop Variable Shell GTIN validation How to make different social classes look quite different? Bash Syntax Error Near Unexpected Token Else' When was this language released?

But this is working only for for a single user because i manually set it as a cron job for this parituclar user. weblink The bash version shipped with that ubuntu version should execute it without problems. Any help please? Static values for the list after "in" keyword In the following example, the list of values (Mon, Tue, Wed, Thu and Fri) are directly given after the keyword "in" in the Bash Syntax Error Near Unexpected Token Fi'

  1. varname is any Bash variable name.
  2. Instead of {0..8..1} you can also use {0..8}.
  3. Some thoughts: You might need a space after the shebang (#! /bin/bash and not #!/bin/bash).
  4. Remember to also mark the file as executable.
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  8. Doesn't sh run a bash script? –Krøllebølle Oct 26 '12 at 10:54 @Krøllebølle The Bourne shell (sh) has a different syntax for for loops.
  9. Change it to #!/bin/bash Thomas Krüger (thkrueger) said on 2013-09-25: #2 You have to add #!/bin/bash as the first line.

asked 2 years ago viewed 943 times active 5 months ago Visit Chat Linked 0 Why is bash looping not working? thanks in advance Rajesh /JDHP Link sharan August 15, 2012, 2:09 pm @Ken Butcher Thanks a lot for your comment … i had a project deadline .. 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 navigate here My home country claims I am a dual national of another country, the country in question does not.

Are there any 'smart' ejection seats? Bash Syntax Error Near Unexpected Token Do' How does Gandalf get informed of Bilbo's 111st birthday party? Thanks.

The following example adds "(WEEKEND)" to Sat and Sun, and "(weekday)" to rest of the days. $ cat for7.sh i=1 for day in Mon Tue Wed Thu Fri Sat Sun do

If you're writing a script that uses bash syntax, be sure to put #!/bin/bash at the top. ¹ Assuming you meant day+=5 where you wrote day+5, otherwise it's an infinite loop. up vote 0 down vote favorite 1 I'm trying to call this shell script from within the CLI of GRASS GIS: for (( day=5; day<367; day+5 )); do # commands that Link jalal hajigholamali July 12, 2011, 8:07 pm for num in {1..10..2} do echo “Number: $num” done under bash is working output is: “Number: 1” “Number: 3” “Number: 5” “Number: 7” Bash Syntax Error Near Unexpected Token Newline' Adopt A Jet/Book How rich can one single time travelling person actually become?

How to make different social classes look quite different? Not the answer you're looking for? Are you on a Windows system? his comment is here However, Dennis Ritchie had originally specified the space is optional.

thanks. –dot Apr 4 '14 at 13:37 add a comment| up vote 3 down vote I'm confident that #!/bin/bash for ((i=0;i<9;i++)) do echo "i is $i" tmpdate=$(date -d "$i days" "+%b 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 All Rights Reserved. Dennis numbers 2.0 Which requires more energy: walking 1 km or cycling 1 km at the same speed?

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 It keeps throwing the error "Syntax error: Bad for loop variable" on line 16. Besides, it isn't the error you get with Bourne shell (you get syntax error: '(' unexpected instead). Thanks.

How to extrude a face parallel to another? Bash for loop using C program syntax This example uses the 2nd method of bash for loop, which is similar to the C for loop syntax. Good way to explain fundamental theorem of arithmetic? If list is missing in the for statement, then it takes the positional parameter that were passed into the shell.

Most users are connected remotely to this ubuntu server (LTSP environment) and so I need to configure the crontab through root user in such a way that it must alert every Problem? for (( … )) is not available in sh. –kojiro May 20 '15 at 18:53 @kojiro: sh may or may not be bash; on some systems, /bin/sh is a For example, the following will display all the files and directories under your home directory.

Not the answer you're looking for? 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 Which requires more energy: walking 1 km or cycling 1 km at the same speed? There are several shells with a similar syntax.

line:2: fatal: cannot open file `/praksh/[abcd]*.xml' for reading (No such file or directory) Link Surinder Singh September 6, 2015, 5:46 am Awesome tutorial.. Your code works in bash but not in sh Link ash July 7, 2014, 6:36 am nice articles, do you have any other posting for other loops like while and arithmetic for (( expr1; expr2; expr3 )) do command1 command2 .. ex.