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Bash Expr Index Syntax Error

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Only the first `\( ... \)' pair is relevant to the return value; additional pairs are meaningful only for grouping the regular expression operators. Pattern matches return the string matched between \( and \) or null; if \( and \) are not used, they return the number of characters matched or 0. This is the same as `STRING : REGEX'. `substr STRING POSITION LENGTH' Returns the substring of STRING beginning at POSITION with length at most LENGTH. Does mean=mode imply a symmetric distribution? http://onlinetvsoftware.net/syntax-error/bash-expr-syntax-error.php

Using Map to convert Feet + Inches to Inches in a List of Lists Can I use an HSA as investment vehicle by overcontributing temporarily? 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 )%( Symbolic comparison of recursive functions How could banks with multiple branches work in a world without quick communication? 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

Expr Syntax Error Length

The length of the prefix is not fixed. Both arguments are coerced to numbers; an error occurs if this cannot be done. `* / %' Multiplication, division, remainder. For details and our forum data attribution, retention and privacy policy, see here Unix & Linux Forums > Top Forums > Shell Programming and Scripting Member Name Unexpected parent process id in output What are the canonical white spaces?

  • The Below is the syntax I am using trying to get the index of "logic" from string "filename_newpart_logic" command used is expr index "$string1" "logic" but the result is expr: syntax
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  • Successful matches are stored in the BASH_REMATCH array.
  • It's because they can't figure out how to get thelittle bottles into the typewriter.

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The same be achieved with cut: echo "onetwothree" | cut -c 1-3 share|improve this answer edited Nov 25 '15 at 14:51 answered Apr 21 '13 at 7:02 kofemann 1,418817 add a Helpful (0) Reply options Link to this post by LittleSaint, LittleSaint Apr 11, 2007 8:10 PM in response to Gary Kerbaugh Level 4 (2,900 points) Apr 11, 2007 8:10 PM in Realism of a setting with several sapient anthropomorphic animal species Is this safe to display MySQL query error in webpage if something went wrong? Disclaimer: Yes I usually talk crap Adv Reply June 19th, 2008 #5 Richard_ View Profile View Forum Posts Private Message Spilled the Beans Join Date Jun 2008 Location Durban Beans

If either POSITION or LENGTH is negative, zero, or non-numeric, returns the null string. `index STRING CHARSET' Returns the first position in STRING where the first character in CHARSET was found. Expr Syntax Error In Shell Script Helpful (0) Reply options Link to this post by Gary Kerbaugh, Gary Kerbaugh Apr 11, 2007 9:33 PM in response to LittleSaint Level 6 (18,040 points) Apr 11, 2007 9:33 PM Ubuntu Logo, Ubuntu and Canonical Canonical Ltd. 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.

Solaris Expr Substr Syntax Error

asked 2 years ago viewed 3058 times active 2 years ago Related 0Syntax error Using expr substr in bash script0unix expr: syntax error2Multiplication with expr in shell script0Error “expr: command not 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 Expr Syntax Error Length 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. Mac Bash Expr 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

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#1 07-27-2006 robin.zhu Registered User Join Date: Jul 2006 Last http://onlinetvsoftware.net/syntax-error/bash-if-syntax-error.php The came be achieved with cut: echo "onetwothree" | cut -c 1-3 –kofemann Apr 20 '13 at 19:39 I am developing in OS X, Production is CentOS, cut worked! Don't use upper case for normal variable names. This is the safest way there is. Unix Shell Expr Index

It's only once I pass it to expr that I have a problem. All Rights Reserved. Unix & Linux Stack Exchange works best with JavaScript enabled current community chat Stack Overflow Meta Stack Overflow your communities Sign up or log in to customize your list. http://onlinetvsoftware.net/syntax-error/bash-script-expr-syntax-error.php It is disabled when the environment variable `POSIXLY_CORRECT' is set.

On THE other hand or on another hand? Bash Expr Index Example asked 3 years ago viewed 649 times active 10 months ago Related 1Why is this bash script not working?2awk + perl + get two arguments in to awk syntax2Command does not If either POSITION or LENGTH is negative, zero, or non-numeric, returns the null string.

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Forum Operations by The UNIX and Linux Forums Search queries Warning: mysqli_select_db() expects exactly 2 parameters, 1 given in, Parameter für CSV-Import: Zeilen enden mit, xxxdbh, select from where order by That's something you don't see every day; I'm really impressed. 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. Expr Index Mac This is how I am currently trying to extract the prefix: > > DELIM=`expr index "$FILENAME" _` > DELIM=`expr $DELIM - 1` > PREFIX=${FILENAME:0:$DELIM} You don't need two calls to expr

Please let me know if there is any other syntax/alternative way to achieve this. Both arguments are coerced to numbers; an error occurs if this cannot be done. * / % Multiplication, division, remainder. American English: are [ə] and [ʌ] different phonemes? weblink The time now is 08:22 PM. - Contact Us - Unix & Linux - unix commands, linux commands, linux server, linux ubuntu, shell script, linux distros. - Advertising - Top

Parentheses may be used for grouping in the usual manner (you must quote parentheses to avoid the shell evaluating them, however). Examples # A partial match will return the number of characters that match: $ expr ss64 : ss6 3 # The condition in string 2 must entirely match string 1 $ Operators may given as infix symbols or prefix keywords. Verbs of buttons on websites What does Sauron need with mithril?

Mac OS X uses BSD expr which does not have the index command. How's the CMD trip bonuses from extra legs work? Comparisons are arithmetic if both ARGs are numbers, else lexicographical. The length of the prefix is not > fixed.

At this stage your variable $of will hold the process id of the php-fpm. Examples Here are a few examples, including quoting for shell metacharacters. This problem occurs for all parameters of expr, including the length parameter. echo prefix_therest | gawk -F_ '{print $1}' or prefix=$(echo $filename | gawk -F_ '{print $1}') Report this message #4: Re: Syntax error on Bash shell Posted on 2005-08-30 11:17:47 by RolandRB