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README.md

Project Status: Active – The project has reached a stable, usablestate and is being activelydeveloped. Signedby Signed commit% Linux buildStatus Windows buildstatus CoverageStatus Minimal RVersion License

cloc

Count Lines of Code, Comments and Whitespace in Source Files and Archives

Description

Counts blank lines, comment lines, and physical lines of source code in source files/trees/archives. An R wrapper to the ‘Perl’ command-line utility https://github.com/AlDanial/cloc.

What’s Inside The Tin

The following functions are implemented:

  • cloc_by_file: Count lines of code, comments and whitespace in source files/archives by file
  • cloc_call: Call cloc.pl directly with granular control over options
  • cloc_cran: Count lines of code (etc) from source packages on CRAN
  • cloc_git: Count lines of code, comments and whitespace in a git tree
  • cloc_pkg_md: Run cloc_pkg() on active package and format it as a markdown table for knitting into reports
  • cloc_pkg: Count lines of code, comments and whitespace in a package
  • cloc_recognized_languages: Return a data frame of cloc recognized languages and associated extensions
  • cloc_remove_comments: Strip comments and white space from a single source file

Installation

install.packages("cloc", repos = c("https://cinc.rud.is", "https://cloud.r-project.org/"))
# or
remotes::install_git("https://git.rud.is/hrbrmstr/cloc.git")
# or
remotes::install_git("https://git.sr.ht/~hrbrmstr/cloc")
# or
remotes::install_gitlab("hrbrmstr/cloc")
# or
remotes::install_bitbucket("hrbrmstr/cloc")
# or
remotes::install_github("hrbrmstr/cloc")

NOTE: To use the ‘remotes’ install options you will need to have the {remotes} package installed.

Usage

library(cloc)
library(tibble) # for printing

# current version
packageVersion("cloc")
## [1] '0.3.5'

Basic usage

# by dir
cloc(system.file("extdata", package="cloc"))
## # A tibble: 3 x 10
##   source  language file_count file_count_pct   loc loc_pct blank_lines blank_line_pct comment_lines comment_line_pct
##   <chr>   <chr>         <int>          <dbl> <int>   <dbl>       <int>          <dbl>         <int>            <dbl>
## 1 extdata C++               1           0.25   142   0.254          41          0.315            63            0.235
## 2 extdata R                 1           0.25   138   0.246          24          0.185            71            0.265
## 3 extdata SUM               2           0.5    280   0.5            65          0.5             134            0.5

# by file
cloc(system.file("extdata", "qrencoder.cpp", package="cloc"))
## # A tibble: 2 x 10
##   source      language file_count file_count_pct   loc loc_pct blank_lines blank_line_pct comment_lines comment_line_pct
##   <chr>       <chr>         <int>          <dbl> <int>   <dbl>       <int>          <dbl>         <int>            <dbl>
## 1 qrencoder.… C++               1            0.5   142     0.5          41            0.5            63              0.5
## 2 qrencoder.… SUM               1            0.5   142     0.5          41            0.5            63              0.5

# from a url
cloc("https://rud.is/dl/cloc-1.74.tar.gz")
## # A tibble: 93 x 10
##    source    language  file_count file_count_pct   loc loc_pct blank_lines blank_line_pct comment_lines comment_line_pct
##    <chr>     <chr>          <int>          <dbl> <int>   <dbl>       <int>          <dbl>         <int>            <dbl>
##  1 cloc-1.7… Perl               5        0.00903 19712 0.299          1353       0.211             2430          0.222  
##  2 cloc-1.7… YAML             141        0.255    2887 0.0438            1       0.000156           141          0.0129 
##  3 cloc-1.7… Markdown           1        0.00181  2195 0.0333          226       0.0352              26          0.00237
##  4 cloc-1.7… ANTLR Gr…          2        0.00361  1012 0.0154          200       0.0312              59          0.00538
##  5 cloc-1.7… R                  3        0.00542   698 0.0106           95       0.0148             312          0.0285 
##  6 cloc-1.7… C/C++ He…          1        0.00181   617 0.00937         191       0.0298             780          0.0712 
##  7 cloc-1.7… C++                4        0.00722   570 0.00865         132       0.0206             173          0.0158 
##  8 cloc-1.7… Forth              2        0.00361   529 0.00803          17       0.00265             84          0.00766
##  9 cloc-1.7… TypeScri…          3        0.00542   410 0.00622          52       0.00810             39          0.00356
## 10 cloc-1.7… Logtalk            1        0.00181   368 0.00559          59       0.00919             57          0.00520
## # … with 83 more rows

Custom CRAN package counter:

cloc_cran(c("archdata", "hrbrthemes", "iptools", "dplyr"))
## # A tibble: 23 x 11
##    source language file_count file_count_pct   loc loc_pct blank_lines blank_line_pct comment_lines comment_line_pct
##    <chr>  <chr>         <dbl>          <dbl> <dbl>   <dbl>       <dbl>          <dbl>         <dbl>            <dbl>
##  1 archd… <NA>              0         0          0 0                 0         0                  0          0      
##  2 hrbrt… R                23         0.338   1615 0.345           308         0.314            827          0.437  
##  3 hrbrt… HTML              2         0.0294   378 0.0807           53         0.0541             3          0.00159
##  4 hrbrt… SVG               2         0.0294   150 0.0320            0         0                  0          0      
##  5 hrbrt… CSS               1         0.0147   113 0.0241           27         0.0276             0          0      
##  6 hrbrt… Markdown          1         0.0147    44 0.00939          24         0.0245             0          0      
##  7 hrbrt… Rmd               3         0.0441    35 0.00747          78         0.0796           116          0.0613 
##  8 hrbrt… YAML              2         0.0294     8 0.00171           0         0                  0          0      
##  9 hrbrt… SUM              34         0.5     2343 0.5             490         0.5              946          0.5    
## 10 iptoo… C++               4         0.0690   846 0.211           167         0.200            375          0.143  
## # … with 13 more rows, and 1 more variable: pkg <chr>

git tree

cloc_git("~/packages/cloc")
##   source language file_count file_count_pct   loc      loc_pct blank_lines blank_line_pct comment_lines comment_line_pct
## 1   cloc     Perl          1      0.1111111 10059 0.9867569158         787    0.910879630          1292     0.9570370370
## 2   cloc Markdown          2      0.2222222    60 0.0058858152          31    0.035879630             0     0.0000000000
## 3   cloc        R          4      0.4444444    52 0.0051010398          22    0.025462963            25     0.0185185185
## 4   cloc      Rmd          1      0.1111111    13 0.0012752600          21    0.024305556            32     0.0237037037
## 5   cloc     YAML          1      0.1111111    10 0.0009809692           3    0.003472222             1     0.0007407407

git tree (with specific commit)

cloc_git("~/packages/cloc", "3643cd09d4b951b1b35d32dffe35985dfe7756c4")
##   source language file_count file_count_pct   loc      loc_pct blank_lines blank_line_pct comment_lines comment_line_pct
## 1   cloc     Perl          1      0.1111111 10059 0.9867569158         787    0.910879630          1292     0.9570370370
## 2   cloc Markdown          2      0.2222222    60 0.0058858152          31    0.035879630             0     0.0000000000
## 3   cloc        R          4      0.4444444    52 0.0051010398          22    0.025462963            25     0.0185185185
## 4   cloc      Rmd          1      0.1111111    13 0.0012752600          21    0.024305556            32     0.0237037037
## 5   cloc     YAML          1      0.1111111    10 0.0009809692           3    0.003472222             1     0.0007407407

remote git tree

cloc_git("git://github.com/maelle/convertagd.git")
## # A tibble: 5 x 10
##   source      language file_count file_count_pct   loc loc_pct blank_lines blank_line_pct comment_lines comment_line_pct
##   <chr>       <chr>         <int>          <dbl> <int>   <dbl>       <int>          <dbl>         <int>            <dbl>
## 1 convertagd… R                 7         0.292    249  0.329           70          0.28             68           0.333 
## 2 convertagd… Markdown          2         0.0833    77  0.102           23          0.092             0           0     
## 3 convertagd… YAML              2         0.0833    42  0.0556          16          0.064             4           0.0196
## 4 convertagd… Rmd               1         0.0417    10  0.0132          16          0.064            30           0.147 
## 5 convertagd… SUM              12         0.5      378  0.5            125          0.5             102           0.5

Detailed results by file

# whole dir
str(cloc_by_file(system.file("extdata", package="cloc")))
## tibble [3 × 6] (S3: tbl_df/tbl/data.frame)
##  $ source       : chr [1:3] "extdata" "extdata" "extdata"
##  $ filename     : chr [1:3] "/Library/Frameworks/R.framework/Versions/4.0/Resources/library/cloc/extdata/qrencoder.cpp" "/Library/Frameworks/R.framework/Versions/4.0/Resources/library/cloc/extdata/dbi.r" ""
##  $ language     : chr [1:3] "C++" "R" "SUM"
##  $ loc          : int [1:3] 142 138 280
##  $ blank_lines  : int [1:3] 41 24 65
##  $ comment_lines: int [1:3] 63 71 134

# single file
str(cloc_by_file(system.file("extdata", "qrencoder.cpp", package="cloc")))
## tibble [2 × 6] (S3: tbl_df/tbl/data.frame)
##  $ source       : chr [1:2] "qrencoder.cpp" "qrencoder.cpp"
##  $ filename     : chr [1:2] "/Library/Frameworks/R.framework/Versions/4.0/Resources/library/cloc/extdata/qrencoder.cpp" ""
##  $ language     : chr [1:2] "C++" "SUM"
##  $ loc          : int [1:2] 142 142
##  $ blank_lines  : int [1:2] 41 41
##  $ comment_lines: int [1:2] 63 63

Recognized languages

cloc_recognized_languages()
## # A tibble: 262 x 2
##    lang          extensions            
##    <chr>         <chr>                 
##  1 ABAP          abap                  
##  2 ActionScript  as                    
##  3 Ada           ada, adb, ads, pad    
##  4 ADSO/IDSM     adso                  
##  5 Agda          agda, lagda           
##  6 AMPLE         ample, dofile, startup
##  7 Ant           build.xml, build.xml  
##  8 ANTLR Grammar g, g4                 
##  9 Apex Class    cls                   
## 10 Apex Trigger  trigger               
## # … with 252 more rows

Strip comments and whitespace from individual source files

cat(
  cloc_remove_comments("https://raw.githubusercontent.com/maelle/convertagd/master/README.Rmd")
)
## library("knitr")
## library("devtools")
## install_github("masalmon/convertagd")
## library("convertagd")
## file <- system.file("extdata", "dummyCHAI.agd", package = "convertagd")
## testRes <- read_agd(file, tz = "GMT")
## kable(testRes[["settings"]])
## kable(head(testRes[["raw.data"]]))
## path_to_directory <- system.file("extdata", package = "convertagd")
## batch_read_agd(path_to_directory, tz="GMT")

cloc Metrics

Lang # Files (%) LoC (%) Blank lines (%) # Lines (%)
R 16 0.47 514 0.48 198 0.43 334 0.42
Rmd 1 0.03 22 0.02 34 0.07 68 0.08
SUM 17 0.50 536 0.50 232 0.50 402 0.50

clock Package Metrics for cloc

Code of Conduct

Please note that this project is released with a Contributor Code of Conduct. By participating in this project you agree to abide by its terms.