Questions tagged [bash]
This challenge is related to the Bash (Bourne Again SHell) language. Note that challenges that require the answers to be in a specific language are generally discouraged.
8 questions
0
votes
2
answers
258
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The many ways to skin a `cat` [duplicate]
The well known cat command simply copies its stdin directly to stdout unchanged. But there are plenty of other commandline tools that exist...
What other commands ...
- 33
1
vote
1
answer
224
views
Most elegant one-liner to generate sqlite INSERTs
Challenge
You find yourself in a bash terminal, and want to do some simple tests
on sqlite3.
So you issue the following command:
...
- 119
9
votes
5
answers
569
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Shortest way to convert the result of a test to a string output (e.g. true or false) in bash
I'm trying to shorten a bash solution to a Code Golf challenge, which requires an output of true or false. I've managed to ...
- 629
-5
votes
4
answers
286
views
tail: troll: file truncated
Background
When you run tail -f file in bash, the file is outputted and then any subsequent appends.
However, when you remove something that has already been ...
user58826
8
votes
1
answer
591
views
Code Golfing Split String in Bash [closed]
Let us play a little golfing game.
Given a single line of N space separated numbers from STDIN, one must output those numbers on N lines.
So far, I came up with the three following bash solutions :
...
- 89
5
votes
4
answers
510
views
Shorter way to assign a default value to the standard output stream
I have this code :
tr ' ' '\n'|sort -n|head -1
The code is pretty simple, it takes a list of integer in the standard input stream (like ...
- 153
12
votes
1
answer
590
views
Write a panic script to remote secure a Mac Pro from an untrustworthy local user [closed]
The Situation
Suppose I allow "Shady Sam" admin access on my workstation to perform an important administrative task on my Mac Pro for me by giving them a temporary root login password. (Assume they ...
- 299
70
votes
43
answers
12k
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Tips for golfing in Bash
What general tips do you have for golfing in Bash? I'm looking for ideas that can be applied to code golf problems in general that are at least somewhat specific to Bash (e.g. "remove comments" is not ...
- 20.6k