rprojroot: Finding Files in Project Subdirectories

CRAN: http://cran.r-project.org/web/packages/rprojroot/index.html
GitHub: https://krlmlr.github.io/rprojroot
Vignettes: Finding files in project subdirectories

> library(rprojroot)

バージョン: 1.0.2

関数名	概略
`criteria`	Prespecified criteria
`find_root`	Find the root of a directory hierarchy
`find_root_file`	File paths relative to the root of a directory hierarchy
`root_criterion`	Is a directory the project root?

criteria

> is_rstudio_project

Root criterion: Contains a file matching '[.]Rproj$' with contents matching '^Version: ' in the first 1 lines

find_root

> dir(find_root("README.md"))

  [1] "abind.md"            "abind.Rmd"           "assertr.md"         
  [4] "assertr.Rmd"         "base.md"             "base.Rmd"           
  [7] "broom.md"            "broom.Rmd"           "chunked.md"         
 [10] "chunked.Rmd"         "compareDF.md"        "compareDF.Rmd"      
 [13] "csvy.md"             "csvy.Rmd"            "daff.md"            
 [16] "daff.Rmd"            "data.table.md"       "data.table.Rmd"     
 [19] "datacheck.md"        "datacheck.Rmd"       "datacheckr.md"      
 [22] "datacheckr.Rmd"      "diffr.md"            "diffr.Rmd"          
 [25] "digest.md"           "digest.Rmd"          "dlstats.md"         
 [28] "dlstats.Rmd"         "dpmr.md"             "dpmr.Rmd"           
 [31] "drat.md"             "drat.Rmd"            "DT.md"              
 [34] "DT.Rmd"              "dtupdate.md"         "dtupdate.Rmd"       
 [37] "emojifont.md"        "emojifont.Rmd"       "fastGraph.md"       
 [40] "fastGraph.Rmd"       "feather.md"          "feather.Rmd"        
 [43] "flora.md"            "flora.Rmd"           "foreach.md"         
 [46] "foreach.Rmd"         "foreign.md"          "foreign.Rmd"        
 [49] "formattable.md"      "formattable.Rmd"     "formula.tools.md"   
 [52] "formula.tools.Rmd"   "gapfill.md"          "gapfill.Rmd"        
 [55] "gdata.md"            "gdata.Rmd"           "gdtools.md"         
 [58] "gdtools.Rmd"         "geohash.md"          "geohash.Rmd"        
 [61] "geojsonio.md"        "geojsonio.Rmd"       "git2r.md"           
 [64] "git2r.Rmd"           "githug.md"           "githug.Rmd"         
 [67] "gmailr.md"           "gmailr.Rmd"          "haven.md"           
 [70] "haven.Rmd"           "Hmisc.md"            "Hmisc.Rmd"          
 [73] "hunspell.md"         "hunspell.Rmd"        "identifyr.md"       
 [76] "identifyr.Rmd"       "janitoe.md"          "janitoe.Rmd"        
 [79] "jqr.md"              "jqr.Rmd"             "jsonlite.md"        
 [82] "jsonlite.Rmd"        "kulife.md"           "kulife.Rmd"         
 [85] "lambdaR.md"          "lambdaR.Rmd"         "latex2exp.md"       
 [88] "latex2exp.Rmd"       "lessR.md"            "lessR.Rmd"          
 [91] "liftr.md"            "liftr.Rmd"           "lineprof.md"        
 [94] "lineprof.Rmd"        "lintr.md"            "lintr.Rmd"          
 [97] "listenv.md"          "listenv.Rmd"         "log4r.md"           
[100] "log4r.Rmd"           "logfile.log"         "loggr.md"           
[103] "loggr.Rmd"           "luzlogr.md"          "luzlogr.Rmd"        
[106] "magrittr.md"         "magrittr.Rmd"        "mailR.md"           
[109] "mailR.Rmd"           "memoise.md"          "memoise.Rmd"        
[112] "methods.md"          "methods.Rmd"         "mime.md"            
[115] "mime.Rmd"            "miniCRAN.md"         "miniCRAN.Rmd"       
[118] "MissingDataGUI.md"   "MissingDataGUI.Rmd"  "muRL.md"            
[121] "muRL.Rmd"            "needs.md"            "needs.Rmd"          
[124] "Nippon.md"           "Nippon.Rmd"          "openssl.md"         
[127] "openssl.Rmd"         "openxlsx.md"         "openxlsx.Rmd"       
[130] "operator.tools.md"   "operator.tools.Rmd"  "pacman.md"          
[133] "pacman.Rmd"          "passwordrandom.md"   "passwordrandom.Rmd" 
[136] "pdftools.md"         "pdftools.Rmd"        "pforeach.md"        
[139] "pforeach.Rmd"        "pipeR.md"            "pipeR.Rmd"          
[142] "PKI.md"              "PKI.Rmd"             "plan.md"            
[145] "plan.Rmd"            "purrr.md"            "purrr.Rmd"          
[148] "PythonInR.md"        "PythonInR.Rmd"       "rafalib.md"         
[151] "rafalib.Rmd"         "random.md"           "random.Rmd"         
[154] "README.md"           "readr.md"            "readr.Rmd"          
[157] "readxl.md"           "readxl.Rmd"          "redland.md"         
[160] "redland.Rmd"         "reinstallr.md"       "reinstallr.Rmd"     
[163] "remoter.md"          "remoter.Rmd"         "rex.md"             
[166] "rex.Rmd"             "Rgitbook.md"         "Rgitbook.Rmd"       
[169] "rio.md"              "rio.Rmd"             "RJSONIO.md"         
[172] "RJSONIO.Rmd"         "rlist.md"            "rlist.Rmd"          
[175] "rmdformats.md"       "rmdformats.Rmd"      "rmote.md"           
[178] "rmote.Rmd"           "rncl.md"             "rncl.Rmd"           
[181] "RNeXML.md"           "RNeXML.Rmd"          "rprojroot.Rmd"      
[184] "rstack.md"           "rstack.Rmd"          "rversions.md"       
[187] "rversions.Rmd"       "SASxport.md"         "SASxport.Rmd"       
[190] "seer.md"             "seer.Rmd"            "session.md"         
[193] "session.Rmd"         "sparklyr.md"         "sparklyr.Rmd"       
[196] "splitstackshape.md"  "splitstackshape.Rmd" "sqldf.md"           
[199] "sqldf.Rmd"           "statar.md"           "statar.Rmd"         
[202] "stringi.md"          "stringi.Rmd"         "stringr.md"         
[205] "stringr.Rmd"         "tabplot.md"          "tabplot.Rmd"        
[208] "tabulizer.Rmd"       "taxize.md"           "taxize.Rmd"         
[211] "test.log"            "tidyjson.md"         "tidyjson.Rmd"       
[214] "tidytext.md"         "tidytext.Rmd"        "tokenizers.md"      
[217] "tokenizers.Rmd"      "Unicode.md"          "Unicode.Rmd"        
[220] "unixtools.md"        "unixtools.Rmd"       "utils.md"           
[223] "utils.Rmd"           "validate.md"         "validate.Rmd"       
[226] "verification.md"     "verification.Rmd"    "versions.md"        
[229] "versions.Rmd"        "weathermetrics.md"   "weathermetrics.Rmd" 
[232] "WriteXLS.md"         "WriteXLS.Rmd"        "XLConnect.md"       
[235] "XLConnect.Rmd"       "xlsx.md"             "xlsx.Rmd"           
[238] "ztable.md"           "ztable.Rmd"

root_criterion

> is.root_criterion(getwd())

[1] FALSE