Home > Syntax Error > Bash Syntax Error Bad For Loop Variable

Bash Syntax Error Bad For Loop Variable

Contents

Make sh point to bash ( symbolic link) ! –abc Apr 12 '11 at 0:48 add a comment| up vote 3 down vote A standard POSIX shell only accepts the syntax only this did not worked. You can rename a .jpg to a .png and the OS will still see a jpeg format image. You probably have a weird character hidden in the text. –karlphillip Apr 11 '11 at 20:35 For bash the syntax seems fine. this contact form

Is there a good way to get from Levoča to Lviv? Link Amadou Coulibaly June 10, 2014, 7:18 am I really found these examples very helpful for those who are beginners in Shell Scripting using both bash and sh. Any help please? Be careful and do not double quote your variable in the for loop. $ cat for2-wrong.sh i=1 weekdays="Mon Tue Wed Thu Fri" for day in "$weekdays" do echo "Weekday $((i++)) :

Syntax Error Bad For Loop Variable Shell

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. Do COB LEDs usually need electrically insulating from the heatsink? Join them; it only takes a minute: Sign up syntax of for loop in linux shell scripting up vote 13 down vote favorite 6 I have a problem implementing a for You can get similar behavior in the standard POSIX shell using for c in $(seq 1 5) share|improve this answer edited Apr 12 '11 at 1:29 answered Apr 11 '11 at

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 In it, you'll get: The week's top questions and answers Important community announcements Questions that need answers see an example newsletter By subscribing, you agree to the privacy policy and terms Search Forums Show Threads Show Posts Tag Search Advanced Search Unanswered Threads Find All Thanked Posts Go to Page... unix and linux commands - unix shell scripting Syntax error: Bash Syntax Error Invalid Arithmetic Operator The following example generates 5 random number using the bash C-style for loop. $ cat for8.sh for (( i=1; i <= 5; i++ )) do echo "Random number $i: $RANDOM" done

This is the concept that is used in the above for5.sh example. Bash Syntax Error Near Unexpected Token Done' Thank you very must for posting those kinds of knowlege online. scripts share|improve this question edited Jan 6 '14 at 11:58 Florian Diesch 46.7k12105131 asked Jan 6 '14 at 11:56 Gaurav Rai 814 add a comment| 2 Answers 2 active oldest votes Do COB LEDs usually need electrically insulating from the heatsink?

The {$BASH_VERINFO[x]} should only be set if this is truly BASH. Bash Syntax Error Near Unexpected Token Then' Why are some programming languages Turing complete but lack some abilities of other languages? Code: (( ... )) is a bash-ism, not recognized by dash. Meaning of "soul-sapping" Using Map to convert Feet + Inches to Inches in a List of Lists Rosa Parks is a [symbol?] for the civil rights movement?

Bash Syntax Error Near Unexpected Token Done'

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 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 Syntax Error Bad For Loop Variable Shell However, even the oldest version of Bash recognizes the for ((x;y;z)) construct. Bash Syntax Error Near Unexpected Token Else' The $RANDOM should display a value if this is either BASH or Kornshell (your for loop will work in either one).

Please help.. http://sovidi.com/syntax-error/bash-for-loop-syntax-error-operand-expected.php This is usually used to increment a loop counter. invoking via "bash test.sh" or "sh test.sh". 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. Bash Syntax Error Near Unexpected Token Fi'

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 Adopt A Jet/Book Why don't most major game engines use gifs for animated textures? 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 navigate here This is usually used to initialize variables for the loop.

linux bash shell for-loop dash share|improve this question edited Oct 18 '13 at 11:44 pduersteler 7,59743875 asked Apr 11 '11 at 20:29 mkab 4264824 1 I don't get the same Bash Syntax Error Near Unexpected Token Do' If list is missing in the for statement, then it takes the positional parameter that were passed into the shell. 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

I know its picking up the IP ADDRESS correctly.

share|improve this answer answered Oct 26 '12 at 10:36 Karoly Horvath 65.8k768133 The echo $1 was just a typo, fixed now. How to indicate you are going straight? Thanks everyone. –mkab Apr 11 '11 at 20:58 add a comment| 4 Answers 4 active oldest votes up vote 21 down vote accepted You probably run it with sh, not bash. Bash Syntax Error Near Unexpected Token Newline' for num in {1..10..2} Link robin July 12, 2011, 9:50 am quote" Kamal Kishore" cat for12.sh for num in {1..10..2} do echo “Number: $num” done Above example is not working….

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 How to book a flight if my passport doesn't state my gender? Thanks. http://sovidi.com/syntax-error/bash-while-loop-syntax-error.php In any case, you certainly shouldn't assume that it is. –Keith Thompson May 20 '15 at 19:14 1 @KeithThompson, though even if sh is a symlink to bash, bash behaves

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 PS. EDIT 1 I've also tried the following code: for i in {0..8}; do echo "i is $i" tmpdate=$(date -d "$i days" "+%b %d") echo $tmpdate done And... What is the sh -c command?

Browse other questions tagged bash or ask your own question. Thanks –mkab Apr 11 '11 at 20:57 Yes works fine in bash. copy file 1 ok copy file 1 again file one renamed as file 1(2) ect.. Do you want to help us debug the posting issues ? < is the place to report it, thanks !

The alternate infinite for loop using the : (nop) operator must be while, not for. details: http://www.tldp.org/LDP/abs/html/sha-bang.html actionparsnip (andrew-woodhead666) said on 2013-09-25: #3 or you can run: sh bubble.sh The file extension means NOTHING in Linux. i.e. share|improve this answer edited Apr 4 '14 at 13:21 answered Apr 4 '14 at 13:16 Stephan Kulla 2,23511025 add a comment| Your Answer draft saved draft discarded Sign up or