Can you edit a shell script while it’s running and have the changes affect the running script?
I’m curious about the specific case of a csh script I have that batch runs a bunch of different build flavors and runs all night. If something occurs to me mid operation, I’d like to go in and add additional commands, or comment out un-executed ones.
If not possible, is there any shell or batch-mechanism that would allow me to do this?
Of course I’ve tried it, but it will be hours before I see if it worked or not, and I’m curious about what’s happening or not happening behind the scenes.
Scripts don’t work that way; the executing copy is independent from the source file that you are editing. Next time the script is run, it will be based on the most recently saved version of the source file.
It might be wise to break out this script into multiple files, and run them individually. This will reduce the execution time to failure. (ie, split the batch into one build flavor scripts, running each one individually to see which one is causing the trouble).