Start zsh with a custom zshrc
I want to be able to start zsh with a custom rc file similar to the command: bash --rc-file /path/to/file
shell
Usage of -n and -z in test built in – Bash
Consider the following in bash:
What’s the difference between “realpath” and “readlink -f”
I’ve read a lot about realpath command and how it has been deprecated with the readlink -f being now recommended. I have also seen in some places that the reason why realpath was introduced was for the lack of such functionality in readlink and that once it has been introduced, realpath was no longer needed and its support discontinued by most OS vendors.
What characters need to be escaped in files without quotes?
I have browser-based shell/terminal that executes bash commands and I’m escaping spaces but it turns out that parenthesis also need to be escaped. What other characters need to be escaped for file names that are not in quotes?
How to rename multiple files using find
I want to rename multiple files (file1 … fileN to file1_renamed … fileN_renamed) using find command:
Correct location for piping and redirecting output in find -exec?
I’m using find with the -exec option in console, on FreeBSD (for example, find . -exec sha1 {} ;).
sponge from moreutils – what’s the difference to shell redirect? useful examples?
sponge reads standard input and writes it out to the specified file.
Unlike a shell redirect, sponge soaks up all its input before writing
the output file. This allows constructing pipelines that read from
and write to the same file.
How to print all printable ASCII chars in CLI?
How can I list all the printable ASCII characters in the terminal?
How do I break up a file like split to stdout for piping to a command?
I have a large .sql file full of SELECT statements that contain data I want to insert into my SQL Server database. I’m looking for how I could basically take the file’s contents, 100 lines at a time, and pass it to the commands I have set to do the rest.
What return/exit values can I use in bash functions/scripts?
I want to know what return values we can use that will not be mistaken by for ex. SIGINT?