Intersection of two arrays in BASH
I have two arrays like this:
scripting
Replace character X with character Y in a string with bash
I am making bash script and I want to replace one character with another character in my string variable.
How to escape a single quote?
end the single-quoted string, add escaped (either by backslash or double quotes) single quote, and immediately start the following part of your string:
bash -e exits when let or expr evaluates to 0
I have a bash script that sets -e so the script will exit on any exit status != 0.
Shell programming, avoiding tempfiles
I often write KSH shell scripts that follow the same pattern:
End sox recording once silence is detected
I’m writing a script that uses sox to record me talking.
Now I need sox to wait until it detects sound before it begins recording, and I do have that figured out. But I also need sox to exit once there has been silence for at least 3 seconds.
As it is now, I have to manually kill sox once I finish talking, otherwise sox just waits again until I talk some more, appending to the output file (That’s not what I want).
Here is the command for recording I am using now:
Parallel execution of a program on multiple files
I have a small script that loops through all files of a folder and executes a (usually long lasting) command. Basically it’s
Modify a file without creating another file
% select all lines
How to make a pipeline wait for end-of-file or stop after an error?
I tried the following command after watch this video on pipe shenanigans.
Keep running a script via ssh
ssh can use to run remote commands.