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Bash Expr Index Syntax Error


The length of the prefix is not > fixed. A name for a well-informed person who is not believed? length STRING Returns the length of STRING. Related 44Bash or KornShell (ksh)?774How to mkdir only if a dir does not already exist?2KornShell Boolean Conditional Logic0Running JAR file on AIX via KornShell script0KornShell script command line option0What is the http://gatoisland.com/syntax-error/bash-expr-syntax-error.php

robin.zhu View Public Profile Find all posts by robin.zhu #4 07-27-2006 Dhruva Registered User Join Date: Mar 2006 Last Activity: 3 August 2015, 2:59 PM EDT Location: India But it happens every day. In the regular expression, `\+', `\?', and `\|' are operators which respectively match one or more, zero or one, or separate alternatives. Reading the man page, I realized expr does something quite different on OS X than on Linux.

Expr Syntax Error Length

I can't seem to figure out what the problem is. My first thought was that SunOS uses an old version of expr which doesn't have index (or length or substr), but you say the man page includes it. > Basically what Browse other questions tagged bash scripting shell-scripting or ask your own question. substr STRING POSITION LENGTH Returns the substring of STRING beginning at POSITION with length at most LENGTH.

To steal your idea and translate it to zsh, that would look something like the following:test=string1echo ${#test%%[string2]*}It doesn't seem to work in bash to do both of these operations in one index STRING CHARSET Returns the first position in STRING where the first character in CHARSET was found. i want to set the 2006 to a variable. Expr Syntax Error Multiplication Aug 8 '14 at 0:07 This question was marked as an exact duplicate of an existing question. 1 You can change the first line to.

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 could install/compile GNU expr or use this:echo string1 | sed -n "s/[string2].*//p" | wc -cNote the double quotes in the sed statement otherwise string2 will not be expanded. Adv Reply June 19th, 2008 #4 pedro_orange View Profile View Forum Posts Private Message Extra Foam Sugar Free Ubuntu Join Date Nov 2007 Location UK Beans 772 DistroUbuntu 8.04 Hardy In zsh, (I can learn) it would look like:test=aabbccecho $(( ( ${#test%%[bc]*} + 1 )%( ${#test} + 1 ) ))In bash, it would look like:test=aabbcctesttmp=${test%%[bc]*}echo $(( ( ${#testtmp} + 1 )%(

Since your question is not clear, I'm not sure what expr is doing there. Expr Syntax Error In Shell Script Password Home Search Forums Register Forum RulesMan PagesUnix Commands Linux Commands FAQ Members Today's Posts Shell Programming and Scripting Unix shell scripting - KSH, CSH, SH, BASH, PERL, PHP, SED, AWK Your line uses grep and awk which is not necessary as you could handle all that using awk. Ubuntu Logo, Ubuntu and Canonical Canonical Ltd.

Solaris Expr Substr Syntax Error

vBulletin 2000 - 2016, Jelsoft Enterprises Ltd. Description: Each token of the expression must be a separate argument. Expr Syntax Error Length Related 31Shell script fails: Syntax error: “(” unexpected4Brackets in if condition: why am I getting syntax errors without whitespace?9Unexpected EOF and syntax error-1syntax error: unexpected end of the file1syntax error in Mac Bash Expr Roberts 1524 which OS du you use?

How to do it? http://gatoisland.com/syntax-error/bash-if-syntax-error.php UNIX. SunOS and other `expr''s treat these as regular characters. (POSIX allows either behavior.) `match STRING REGEX' An alternative way to do pattern matching. If either POSITION or LENGTH is negative, zero, or non-numeric, returns the null string. Unix Shell Expr Index

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 substr is a non standard extention. Johnson ============================================================ ====== Shell Scripting Recipes: A Problem-Solution Approach, 2005, Apress Report this message « Handling escaped characters. this contact form Both arguments are coerced to numbers; an error occurs if this cannot be done.

What are the canonical white spaces? Bash Expr Index Example How to indicate you are going straight? Please let me know if there is any other syntax/alternative way to achieve this.

share|improve this answer edited Aug 7 '14 at 23:13 answered Aug 7 '14 at 23:06 Scott 3,75821328 add a comment| Not the answer you're looking for?

  • Mac OS X uses BSD expr which does not have the index command.
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Hot Network Questions Is there a good way to get from Levoča to Lviv? It is disabled when the environment variable `POSIXLY_CORRECT' is set. this command is telling you where the first occurrence of any of the letters "l", "o", "g", "i", "c" is in the string, which i assume is not what you're looking Expr Index Mac This problem occurs for all parameters of expr, including the length parameter.

Tango Icons Tango Desktop Project. Search Forums Show Threads Show Posts Tag Search Advanced Search Unanswered Threads Find All Thanked Posts Go to Page... learn linux and unix commands - unix shell scripting expr: Why did companions have such high social standing? http://gatoisland.com/syntax-error/bash-expr-substr-syntax-error.php Note: Kshell used on solaris 8.

If the match fails, the `:' operator returns the null string if `\(' and `\)' are used in REGEX, otherwise 0. Not the answer you're looking for? I cannot recall the last time something like that happened in politics or religion.-- Carl Sagan, 1987 CSICOP keynote address Helpful (0) Reply options Link to this post This site contains This makes it possible to test `expr length quote "$x"' or `expr quote "$x" : '.*/\(.\)'' and have it do the right thing even if the value of $X happens to

Please post it as an answer and I will check it off =] –Jeffrey L. Quotes seem to act differently in interactive shells compared to automated. So sed was my next choice. Verbs of buttons on websites What does Sauron need with mithril?

You put me onto something, and after a quick Google I came across a solution here. Is it possible to check for existence of member template just by identifier? If the match succeeds and REGEX uses `\(' and `\)', the `:' expression returns the part of STRING that matched the subexpression; otherwise, it returns the number of characters matched. Parentheses may be used for grouping in the usual manner (you must quote parentheses to avoid the shell evaluating them, however).

Thanks very much - Qaran Report this message #2: Re: Syntax error on Bash shell Posted on 2005-08-30 10:43:24 by Bill Marcum On 29 Aug 2005 17:29:34 -0700, Qaran wrote: If the match fails, the `:' operator returns the null string if `\(' and `\)' are used in REGEX, otherwise 0. Helpful (0) Reply options Link to this post by Ken Nellis, Ken Nellis Apr 13, 2007 6:52 PM in response to Gary Kerbaugh Level 2 (263 points) Mac OS X Apr Consider:Linux> expr index aabbcc xyz0Linux> zsh> test=aabbcczsh> echo $((${#test%%[xyz]*} + 1))7zsh> Helpful (0) Reply options Link to this post by Gary Kerbaugh, Gary Kerbaugh Apr 13, 2007 8:59 PM in response

Here is the list, lowest-precedence operator first. `|' Returns its first argument if that is neither null nor 0, otherwise its second argument. `&' Return its first argument if neither argument To make `expr' interpret keywords as strings, you must use the `quote' operator. Also Explain in details what you want. –val0x00ff Aug 7 '14 at 23:07 add a comment| 2 Answers 2 active oldest votes up vote 0 down vote accepted You should use I see LittleSaint's point now; my index isn't the index in a zsh character array because they start at one.

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