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Bash Syntax Error In Conditional Expression

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This worked now.. Should indoor ripened tomatoes be used for sauce? Consider the following example. Unfortunately the quoting and escaping doesn't work with the newerversion of bash: servo:~ 0$ svc=https servo:~ 0$ [[ "$svc" =~ ^[a-z0-9]([a-z0-9-]*[a-z0-9])?$ ]] servo:~ 0$ [[ "$svc" =~ "^[a-z0-9]([a-z0-9-]*[a-z0-9])?$" ]] servo:~ 1$ http://waspsoft.com/syntax-error/bash-if-expression-syntax-error.html

Table 15.5. My home country claims I am a dual national of another country, the country in question does not. Problem? http://hostname.domain.com:8080/beat After hitting the above url, I will be getting the below response which I need to parse it and extract value of syncs and syncs_behind state: READY num_retries_allowed: 3 syncs:

Syntax Error In Conditional Expression Unexpected Token

Indentation An easy way to ensure that if/else, while/do/done, case statements, and other contructs are complete is to indent the block of statements under each test expression (at least one tab Unix & Linux Stack Exchange works best with JavaScript enabled current community chat Unix & Linux Unix & Linux Meta your communities Sign up or log in to customize your list. It should be <=.while ( $n <= 5 ) Table 15.6. If the number of single quotes is an even number, each quote has a matching quote.

When the `=~' operator is used, the string to the right of the operator is matched as a regular expression. bash shell if-statement share|improve this question edited Dec 17 '15 at 9:35 Jahid 8,48542347 asked Apr 28 '15 at 9:22 Musterknabe 1,26711848 add a comment| 1 Answer 1 active oldest votes The u option flags any variables that have not been defined, called unbound variables. Bash Syntax Error In Expression (error Token Is Put another single quote after the last character in $newname.Count the number of single quotes.

The time now is 08:49 PM. - Contact Us - Unix & Linux - unix commands, linux commands, linux server, linux ubuntu, shell script, linux distros. - Advertising - Top Syntax Error In Conditional Expression Unix Why? Both signals cause the program named after the trap command to be terminated. The other alternative is to use the compound test operator [[ ]].

The next time, the user presses the Enter key. Syntax Error Near Unexpected Token `fi' The brackets are used only when testing expressions. FORMAT Bourne shell: Numeric testing if [ $n -lt 10 ] if [ $n -gt $y ] if [ $n -eq 6 ] if [ $n -ne 6 String testing if The solution is to move the terminating EOF to the far left-hand margin and make sure there is no space surrounding it.

Syntax Error In Conditional Expression Unix

Therefore, neither of these programs would be of any use after an if condition, because the condition would always be true. Exit Status with an if Conditional When the if command is evaluating the success or failure of a command, it checks the exit status of that command. Syntax Error In Conditional Expression Unexpected Token Words will not be split when using this operator.if [ "$name" = Joe ] or if [[ $name == Joe ]]bash: syntax error near unexpected token '{echo'

function Syntax Error In Conditional Expression Near Then however, when i introduce paren-grouped subexpressions, i get the failure rhatto is describing on 3.1.17 (but not in 3.2.39): [0 [email protected] ~]$ [ [ "$foo" =~ ^..c?$ ]] [0 [email protected] ~]$

The double equal sign, rather than the single equal sign, is used for testing string equality. (Only versions of ksh newer than ksh88 support the == sign. weblink Words will not be split when using this operator.if [ "$name" = Joe ]; then or if [[ $name = Joe ]]; thenksh: [ellie: not found if [$USER = "ellie"] ; Not the answer you're looking for? linux bash ubuntu awk wget share|improve this question edited Mar 7 '14 at 2:18 asked Mar 7 '14 at 1:31 lining 79382337 Is the double colon grep -o 'syncs:: Syntax Error In Conditional Expression Syntax Error Near `]]

I'll leave that up to you... Not the answer you're looking for? EXPRESSION True if EXPRESSION is false; else false EXPR1 && EXPR2 True if both EXPR1 and EXPR2 are true; else false EXPR1 || EXPR2 True if either EXPR1 or EXPR2 is http://waspsoft.com/syntax-error/awk-syntax-error-in-regular-expression.html Is there a good way to get from Levoča to Lviv?

An example of a C shell test for a readable, writable, and executable file would be if (r filename && w filename && x filename). Else If Bash A name for a well-informed person who is not believed? Not sure what could be wrong? –lining Mar 7 '14 at 2:18 add a comment| 1 Answer 1 active oldest votes up vote 5 down vote accepted Bash's [[ does not

Is the empty set homeomorphic to itself?

Thanks for spotting! –Floris Apr 23 '13 at 14:17 add a comment| up vote 6 down vote you need a space between "32" and ]] share|improve this answer answered Apr 23 Does mean=mode imply a symmetric distribution? Returns a status of 0 or 1 depending on the evaluation of the conditional expression EXPRESSION. Bash Check If Variable Is Empty In addition, the final terminator cannot be surrounded by any space.

Because grep's * is not quoted, the shell will try to evaluate it, causing an error. print '$*&!>his comment is here For example, if a program is expecting numeric data, then it must be able to check to see if that's what it got, and print an error message and ignore the

The C shell, for example, is very verbose, and reports errors such as unmatched quotes and undefined variables on the same line where the error occurred, whereas the Bourne shell error If you are not sure of what exit status a command returns, you should check before using it, or your program may not perform as expected. Example 15.10. #!/bin/sh 1 now=`date` 2 echo Today is $now 3 echo "You have `ls|wc -l` files in this directory" 4 echo 'You have `ls|wc -l` files in this directory' (Output) The brackets are used only when testing expressions.

more hot questions question feed lang-sh about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation Common Korn Shell Error MessagesError MessageWhat Caused ItWhat It MeansHow to Fix It./file: line 5: syntax error near unexpected token blue) case $color blue) ... Is the standard Canon 18-55 lens the same as 5 years ago? I would rather not have to add in a bunch of bash versionhooks and instead just depend on newer version of bash if possible.

if [ $USER = "ellie" ] then or if [ $USER = "ellie" ] ; thenksh: syntax error: 'then' unexpectedif (( n==5 && (n>3 || n<7 ))The parentheses enclosing the second Why? They are provided in tables for each shell in this book. (See Appendix B.) The following examples illustrate some of the operators for each shell.