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Bash If Expression Syntax Error

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Wrong password!" exit 1 # Stops script execution right here fi [ STRING1 > STRING2 ] STRING1 sorts after STRING2 in the current locale (lexographically). Registration is quick, simple and absolutely free. Why are some programming languages Turing complete but lack some abilities of other languages? The effective group id is the primary group id of the executing user.

if [ ! -G file ]; then # An exclamation mark inverts the outcome of the condition following navigate here

share|improve this answer edited Dec 12 '13 at 9:10 answered Dec 12 '13 at 9:03 BroSlow 5,5221333 add a comment| up vote -1 down vote accepted Replace: if [ $pmon_num -gt What type of sequences are escape sequences starting with "\033]" Religious supervisor wants to thank god in the acknowledgements Symbolic comparison of recursive functions Should indoor ripened tomatoes be used for I'll explain that in more detail further in the tutorial. If so, we read it into a variable.

Syntax Error In Conditional Expression

LinuxQuestions.org > Forums > Non-*NIX Forums > Programming [SOLVED] if: Expression syntax error in csh if statement User Name Remember Me? And so I will. If you want bash then tell it that! #!/usr/bin/env bash! If the FILE argument to one of the primaries is of the form /dev/fd/N, then file descriptor "N" is checked.

See my bash tutorial for a case in which it's used.

if [ -p $file ]; then cp $file tmp.tmp # Make sure we'll be able to read file="tmp.tmp" anny ~> The following example demonstrates that TEST-COMMANDS might be any UNIX command that returns an exit status, and that if again returns 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 Bash While Syntax Commands following the then statementThe CONSEQUENT-COMMANDS list that follows the then statement can be any valid UNIX command, any executable program, any executable shell script or any shell

If there was a problem, however, it is useful to know what went wrong. Syntax Error In Conditional Expression Unexpected Token ' Note that registered members see fewer ads, and ContentLink is completely disabled once you log in. Are there any 'smart' ejection seats? asked 1 year ago viewed 516 times active 1 year ago Related 31Shell script fails: Syntax error: “(” unexpected3syntax error in conditional expression while executing the shell script?2Shellscript!

You can just use grep -c since you are not expecting several pmons in one line and it will return the count. Bash Case Syntax Bash will throw errors like "syntax error near unexpected token `fi'" if you don't. Always terminate the line before putting a new keyword like "then". Browse other questions tagged linux bash .bash-profile .

  • EDIT: Adding modified code for you. #!/bin/sh pmon_num=`/bin/ps -ef | /bin/grep -c pmon` echo $pmon_num if [ $pmon_num -gt 1 ] then #code fi EDIT: Here's how you can test what
  • Convince people not to share their password with trusted others Subtraction with a negative result Why don't most major game engines use gifs for animated textures?
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  • In fact, as long as if stands alone, any error would not be with if itself: $ if [somethingswrong]; then fail; fi # error, then `[` command must have space around
  • lucid32:~> cat if_rc if [ -f /etc/bashrc ]; then : fi share|improve this answer answered Aug 9 '12 at 10:07 Henk Langeveld 348210 2 i changed shell to bash now

Syntax Error In Conditional Expression Unexpected Token '

asked 3 years ago viewed 9312 times active 3 years ago Linked 0 adding non standard library to @inc in PERL in tcsh Related 165How do I check syntax in bash How to indicate you are going straight? Syntax Error In Conditional Expression A simple visual puzzle to die for more hot questions question feed lang-bsh about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Bash Script If Syntax Can Customs make me go back to return my electronic equipment or is it a scam?

I will list the three of them: 1. http://onlinetvsoftware.net/syntax-error/bash-if-syntax-error.php Checking shell optionsTo add in your Bash configuration files:

# These lines will print a message if the noclobber option is set: if [ -o noclobber ] then echo "Your Some random examples:

if (( $? == 0 )); then # $? Religious supervisor wants to thank god in the acknowledgements more hot questions question feed default about us tour help blog chat data legal privacy policy work here advertising info mobile contact Bash Shell If Syntax

Different condition syntaxes Bash features different syntaxes for conditions. File-based conditions: Condition True if Example/explanation [ -a existingfile ] file ‘existingfile' exists. acid_kewpie View Public Profile View LQ Blog View Review Entries View HCL Entries Visit acid_kewpie's homepage! http://onlinetvsoftware.net/syntax-error/awk-syntax-error-in-regular-expression.php Is there a way to make a metal sword resistant to lava?

Can a creature benefit from differently typed speed bonuses all named fast movement? Bash Test Syntax The words if, then, else, elif and fi are shell keywords, meaning that they cannot share the same line. A small amount of general shell knowledge is assumed.

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Unexpected parent process id in output Is my workplace warning for texting my boss's private phone at night justified? What about this one? This may be used to override the normal precedence of operators.[ EXPR1 -a EXPR2 ]True if both EXPR1 and EXPR2 are true.[ EXPR1 -o Bash Function Syntax Anyone can delete and/or rename your files in /tmp!" fi [ -L symboliclink ] file ‘symboliclink' exists and is a symbolic link. (same as -h, see that entry for an example)

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 Therefore, bash doesn't evaluate the second condition, and that's the reason why "echo true" is not executed in the example. The correct syntax is == –A.B. http://onlinetvsoftware.net/syntax-error/0x80040e14-syntax-error-missing-operator-in-query-expression.php Browse other questions tagged linux bash if-statement or ask your own question.

My home country claims I am a dual national of another country, the country in question does not. Errors are either thrown out or mailed to the owner of the cronjob. Can I use an HSA as investment vehicle by overcontributing temporarily? There also are built-in checks that are more specific to shells.