From help set : But it’s considered bad practice by some (bash FAQ and irc freenode #bash FAQ authors). It’s recommended to use: to run do_something function when errors occur. See http://mywiki.wooledge.org/BashFAQ/105
You don’t really need all that much code: Supports whitespace in elements (as long as it’s not a newline), and works in Bash 3.x. e.g.: Note: @sorontar has pointed out that care is required if elements contain wildcards such as * or ?: The sorted=($(…)) part is using the “split and glob” operator. You should … Read more
I try to tar.gz a directory and use The resulting tar includes .svn directories in subdirs but NOT in the current directory (as * gets expanded to only ‘visible’ files before it is passed to tar I tried to tar -czf workspace.tar.gz . instead but then I am getting an error because ‘.’ has changed … Read more
The issue is that you have not provided a name for the zip-files it will create. This will create separate zipped directories for each of the subfolders tmp tmp_dkjg and tmp_dsf
Your console is not running as a login shell and hence have no access to rvm function. If you are running Ubuntu, you can: Open console Select Edit -> Profile Preferences Select tab: Title and Command Check box ‘Run command as a login shell’ Restart terminal
To write a newline use \n not /n the latter is just a slash and a n
The -e option means “if any pipeline ever ends with a non-zero (‘error’) exit status, terminate the script immediately”. Since grep returns an exit status of 1 when it doesn’t find any match, it can cause -e to terminate the script even when there wasn’t a real “error”. If you want to keep the -e option, but also have a grep command that might validly find no … Read more
Resolving the operation not permitted error: You created the file via: This means, the owner and group of the file is root. You are not allowed to change files of it by default. You need to change permission (chmod does it) or change the owner: This should do it. Save the trouble, without creating the … Read more
Use or or _ is a valid character in identifiers. Dot is not, so the shell tried to interpolate $filepath_newstap. You can use set -u to make the shell exit with an error when you reference an undefined variable.
The asterisk (*) means “zero or more of the previous item”. If you want to match any single character use If you want to match any string (i.e. any single character zero or more times) use