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shell

quotes in awk

Lazily trying to paste a long list of strings into python, which means I need things wrapped in quotes (and commas, but I'm excluding them from this example cause they're easy). Grabbing the strings from a file using awk, but since quotes (apostrophes) are special in awk this ...

deletion and replacement of strings in bash

I try to record useful one-liners for future reference. I forgot to write down what this one does:

    mv $f ${f##START}.${f%%${f##START}}

This awkwardly-timed (time-zone troubles) blog post is atonement for my carelessness. Like all one-liners it looks complicated but is pretty simple. It does this:

    > f ...

putting a line in a filename (with sed)

"How can I cut a line from a file and paste the rest into a file whose title is the line I just cut?"

If you find yourself asking yourself this question with any degree of regularity, you may have issues. Luckily for you, the help you so desperately need ...

man cut and other simple yet useful unix bits

Instead of just reading the man file, you could read this post about cut!

Printing columns ('fields') n to m (inclusive) from a file:

    cut -d [delimiter] -f n-m filename

Thus, removing the first n-1 fields from a file:

    cut -d [delimiter] -f n- filename

[delimiter] is automatically a tab ...