Posts categorized in ‘shell’ (4)

Using grep to do substring extraction in shell scripts.

I was working on a tcsh script that did some cool stuff. But if a user ran that script not knowing the true impact of the script, it could make some bad irreversible changes.

While I could simply echo a warning statement and put a sleep 10, I wanted the wait time to be shown live.

Shell script snippets to check if you have an executable or binary installed in PATH.

This post shows how to get the current directory name without the preceeding path, using awk or rev+cut or the boring basename.