Although, bash was based on and is largely backwards-compatable with sh , and they might actually be the same program on your system, but will still behave differently depending on which name you use. You can have the script run with bash automatically by changing the first line to #!/bin/ bash and making the file executable, and just running …
dash is the default /bin/ sh on some platforms such as Ubuntu and Debian. == is specific to bash ( Bashism) and is not compatible with POSIX shells like dash, which uses only = to test string equality. In the context of single brackets, == and = are treated as the same operator in bash , so either can be used.
@@ -3,7 +3,7 @@ # A convenience script to run tests without delays caused by incrementally writing to the terminal buffer. # This script will execute against all supported Ruby versions if all is the first argument to the script. if [ $1 = = all ] then: if [ $1 = all ] then: rvm 1.8@asciidoctor-dev,jruby@asciidoctor-dev,rbx@asciidoctor-dev,1.9@asciidoctor.
$ sh backup-to-s3. sh backup-to-s3. sh : 11: [: bkup_20151106_150532.zip: unexpected operator backup-to-s3. sh : 11: [: bkup_20151106_150532.zip: unexpected operator …
9/21/2015 · clintkitson changed the title Install. sh using Debian is resulting in ‘ unexpected operator ‘ Install. sh using Ubuntu 14.04 is resulting in ‘ unexpected operator.
It ran first time but since then I get two errors either there’s an unexpected operator or there’s too many arguments. I have tried re writing the whole thing from scratch 4 times and its the same minus the working first time part.
shell script – unexpected operator . andieje asked on 2011-01-25. Linux 21 Comments. 2 Solutions. 1,670 Views. Last Modified: 2012-05-10. Hi I have used the following to script before check the cehcksums of downloaded files. The script checks each file in the directory to see if the SUM of a file matches the entry in a file containing the SUMs …
3/9/2014 · [SOLVED] Bash script unexpected operator User Name: Remember Me? Password: Linux – Newbie This Linux forum is for members that are new to Linux. Just starting out and have a question? If it is not in the man pages or the how-to’s this is the place! Notices:, Due to Ubuntu’s DashAsBinSh affinity I suspect your script is interpreted by dash instead of bash . Try to move the shebang in line 1. – manatwork Aug 18 ’12 at 11:45 According to that article calling /bin/ bash directly instead of /bin/ sh will correctly use bash instead of dash so that should not be an issue as I understand it.
Yes, Bash and Kshell support the == operator , but only within their built-in test function ([[….]]). If a bash /Kshell script uses the single bracket command the contents in the expression are treated differently by the shell and the double equal operator is not valid.
