bash
Replacing man with info
Do, 10/13/2016 - 21:05 — Draketo
GNU info is lightyears ahead of man in terms of features, with sub-pages, clickable links, topic-spanning search, clean html- and latex-export and efficient interactive navigation.
But man pages are still the de-facto standard for getting quick information on a GNU/Linux system.
This guide intends to help you change that for your system. It needs GNU texinfo >= 6.1.
Update: If you prefer vi-keys, adjust the function below to call
info --vi-keysinstead of plaininfo. You could then call that functioniv☺
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Translating a lookup-dictionary to bash: Much simpler than I thought
Mi, 10/21/2015 - 18:18 — DraketoI wanted to name Transcom Regions in my plots by passing their names to the command-line tool, but I only had their region-number and a lookup dictionary in Python. To avoid tampering with the tool, I needed to translate the dictionary to a bash function, and thanks to the case statement it was much simpler than I had expected.
This is the original dictionary:
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shell basics (bash)
Mi, 05/28/2014 - 13:05 — DraketoThese are the notes to a short tutorial I gave to my working group as part of our groundwork group meetings. Some parts here require GNU Bash.
1 Outline
1.1 Outline
- user-output: echo
- pipes: |, xargs, - (often stdin)
- text-processing: cat/tac, sed, grep, cut, head/tail
- variables (foo=1; echo ${foo})
- subshell: $(command)
- loops (for; do; done) (while; do; done)
- conditionals (if; then; fi)
- scripts: shebang
- return values: $?
- script-arguments: $1, $#, $@ and getopt
- command chaining: ;, &, && and ||
- functions and function-arguments
- math: $((1+2))
- help: man and info
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