Check Shell Script For Syntax Error
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How To Test Shell Script Without Running It
Overflow the company Business Learn more about hiring developers or posting ads with us Stack shell script syntax error ( unexpected Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community expr syntax error in shell script of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up How do I check syntax in bash without running the script? up vote 167 down vote favorite
Shell Script Syntax Error Unexpected End Of File
53 Is it possible to check a bash script syntax without executing it? Using Perl, I can run perl -c 'script name'. Is there any equivalent command for bash scripts? linux bash unix syntax gnu share|improve this question edited May 3 '12 at 16:57 Rob Hruska 69.6k21134171 asked Oct 5 '08 at 12:51 Tom Feiner 6,201154050 Related: Is there a static analysis tool like Lint or Perl::Critic for shell
Bash Syntax Error
scripts? –blong Jun 3 '14 at 20:47 add a comment| 6 Answers 6 active oldest votes up vote 249 down vote accepted bash -n scriptname Perhaps an obvious caveat: this validates syntax but won't check if your bash script tries to execute a command that isn't in your path, like ech hello instead of echo hello. share|improve this answer edited Nov 15 '12 at 15:47 Chris 19.2k57496 answered Oct 5 '08 at 12:55 andy 4,49011217 7 In bash's manpage, under "SHELL BUILTIN COMMANDS / set", -n is documented, and as the beginning of the manpage states, bash interprets all single-character options that set does. –ephemient Oct 5 '08 at 20:55 17 to add to the (for me) non obvious caveat, it also won't catch an error caused by a missing space if ["$var" == "string" ] instead of if [ "$var" == "string" ] –Brynjar Aug 5 '11 at 16:13 9 @Brynjar That's because it's just syntax checking. The open bracket isn't syntax, that's the name of the function to run. type [ says "[ is a shell builtin". It ultimately delegates to the test program, but it expects a closing bracket, as well. So it's like if test"$var", which isn't what the author meant, but is syntactically valid (say
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Bash Syntax Error Near Unexpected Token Else'
about hiring developers or posting ads with us Ask Ubuntu Questions Tags Users Badges Unanswered Ask Question _ Ask Ubuntu bash syntax error near unexpected token fi' is a question and answer site for Ubuntu users and developers. Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer http://stackoverflow.com/questions/171924/how-do-i-check-syntax-in-bash-without-running-the-script The best answers are voted up and rise to the top Know whether the shell script contains syntax error without running the script up vote 21 down vote favorite 7 I have a long shell script containing a lot of conditions and I want to know whether there is any syntax error in the script without running it. Since shell script is interpreted I think it http://askubuntu.com/questions/482687/know-whether-the-shell-script-contains-syntax-error-without-running-the-script is not possible but is there a way to know by using some trick. scripts share|improve this question asked Jun 13 '14 at 8:36 Ankit Zalani 22026 add a comment| 2 Answers 2 active oldest votes up vote 29 down vote accepted bash -n scriptname Although, this will check syntax, not command availability. (will not warn if script uses a command that is not installed yet) share|improve this answer edited Jun 13 '14 at 9:23 user.dz 23.1k952106 answered Jun 13 '14 at 8:49 Bodo 394612 3 In addition to bash's inbuilt syntax checḱing you can use shellcheck to identify less severe issues and bad practices. –Glutanimate Jun 15 '14 at 22:40 add a comment| up vote 3 down vote I found an online tool to check the syntax of the script. In addition to checking the script, also suggests possible corrections to avoid errors. Check shell script online share|improve this answer answered Jul 2 '14 at 7:39 girardengo 2,4541022 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign up using Facebook Sign up using Email and Password Post as a guest Name Email Post
Add comments May 302010 How to perform syntax check on a bash script? Answer: You can perform syntax check on a bash http://www.linuxask.com/questions/how-to-perform-syntax-check-on-a-bash-script script, without actually running it using the following command: # bash -n script.sh But if your script contain execution of other program, bash will not try to run it, even if it does not exist, error of this type will not be returned. Related posts: How to perform syntax check for Python program How to perform syntax check for Perl program Perform syntax syntax error check to PHP files Check if a file exist in Bash Shell How to ignore error in Bash script Posted by Linux Ask! at 2:47 pm Tagged with: Bash Leave a Reply Cancel reply Name (required) E-mail (required) URI Your Comment You may use these HTML tags and attributes:
bash syntax error
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