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
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
The & makes the command run in the background. From man bash: If a command is terminated by the control operator &, the shell executes the command in the background in a subshell. The shell does not wait for the command to finish, and the return status is 0.
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
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.
I believe the issue here is that your waiting and closing inside the same loop that’s creating children. On the first iteration, the child will exec (which will destroy the child program, overwriting it with your first command) and then the parent closes all of its file descriptors and waits for the child to finish … Read more
Bash does not support multidimensional arrays, nor hashes, and it seems that you want a hash that values are arrays. This solution is not very beautiful, a solution with an xml file should be better : EDIT: this answer is quite old, since since bash 4 supports hash tables, see also this answer for a solution without … Read more