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I've been trying to implement this on a single line with pipes but I haven't been able to do it. I would appreciate if you could help me out.

This is my code:


subdir=$(find $1 -type d)  

for ft in $subdir
    nFiles=$(find $ft -maxdepth 1 -type f | wc -l)
    echo $ft $nFiles

exit 0

This is what I tried to do but it's not working:

find $directori -type d -exec find {} -maxdepth 1 -type f \; | wc -l

Like this:

find "${1}" -type d -exec bash -c 'echo "${1} $(find "${1}" -maxdepth 1 -type f -printf "." | wc -c)"' -- {}  \;

Is it possible to write a computer program in one line?, You can write any program in one line on almost all of the languages, that said, you definitely won't f = lambda l: reduce(lambda z, x: z + [y + [x] for y in z], l, [[]]). Specifically, the output of a single map() call is a single key-value pair. The Hadoop infrastructure performs a sort and merge operation on all those key-value pairs to produce a set of one or more partitions. When a call to reduce is made, it is made with all the values for a given key.

the | is handle by the shell which redirects the output and input of the involved commands.

It cannot be used directly within the -exec ..., because find does not propose such feature.

It is possible to use -print0 to avoid that filenames with special chars break the command.

This sentence can be read from the echo - open group issue 7 page:

New applications are encouraged to use printf instead of echo.

Give a try to this (EDIT see @CharlesDuffy's comment):

find "${directori}" -type d -print0 | xargs -0 sh -c 'for ft ; do printf "%s " "${ft}" ; find "${ft}" -maxdepth 1 -type f -printf "\n" | wc -l ; done' sh

The final sh is used to set $0 see the man sh.

Python Single Line Converter, Convert multiple line Python code to a single line in a dead simple way. Paste your code below and hit Convert. Python 2. Python 3. Reindent based on first line's� can you explain the execution flow of mapreduce program, will the map() method gets executed for each line available after input split? also I see value.set(tokenizer.nextToken()); to write the value element in context, is that a good coding practice than using a variable and set tokenizer.nextToken() and use it to write it in the context

Here's another option with pipes, I find it more readable:

find $1 -type d | while IFS='' read -r ft; do nFiles=$(find $ft -maxdepth 1 -type f | wc -l); echo $ft $nFiles; done; exit 0

You could also avoid to assign nFiles:

find $1 -type d | while IFS='' read -r ft; do echo "$ft $(find $ft -maxdepth 1 -type f | wc -l)"; done; exit 0

How important is it to reduce the number of lines in code?, Ask yourself one simple question - how does "Reduce the SLOC of this routine" make anyones code better. What is probably happening in this case is SLOC is� As you can see, using .reduce() is an easy way to generate a single value or object from an array. And now here’s the fun part… we can chain all of this to get what we want in a single line:

One-liner program, Originally, a one-liner program was textual input to the command-line of an operating system Perl's support for anonymous functions, closures, map, filter ( grep) and fold (List::Util::reduce) allows the creation of 'functional' one-liners. The single or double space between sentences argument has been an ongoing one for decades. Traditional, pre-digital typesetting required the use of double-spacing after periods and colons. This was largely due to the limitations of now-antiquated technology and was the standard style taught by most schools until around 20 years ago.

One-lined Python, This transpiler converts any Python script into a single line of code, supporting the This post on how functional programming promotes Python mastery. Having� Pressing Ctrl+5 changes to 1.5 line spacing; Pressing Ctrl+2 changes to double line spacing; Pressing Ctrl+1 will give you single line spacing; If you are using Word for Mac, substitute the Command key for the Ctrl key. Remember these keyboard shortcuts next time you need to change the line spacing in a Word document you are typing.

Swap two variables in one line in C/C++, Python, PHP and Java , A Computer Science portal for geeks. It contains well written, well thought and well explained computer science and programming articles,� Integrated One-line Diagrams True One-line Diagram Integration. Designing, maintaining and analyzing electrical power systems doesn’t always have to be as difficult as it sounds. An industry first, EasyPower’s truly integrated electrical one-line diagram program remains the fastest-performing and easiest-to-use on the market.

  • What do you mean its not working? What is the find command returning then?
  • I'd argue that requests to make something a one-liner are not "practical" questions in the sense used in Code written for practical purposes should value readability, maintainability, and correctness in corner cases; all of these things get compromised when making something a one-liner is considered paramount.
  • You might consider _ as a conventional placeholder for the dummy value in $0 -- either that, or sh (so error messages read as sh: yadda yadda yadda, rather than dummy: yadda yadda yadda).
  • @CharlesDuffy : thank you ! good idea, I chose sh. Never thought about the error messages... (super remark)
  • If you don't use -print0 | while IFS='' read -r -d '' ft, filenames with literal newlines will throw you off. Similarly, there's missing quoting here that will catch.