[R] dir and pattern = ".r"

[Patrick Giraudoux]

I have this directory contain listed at the page bottom

Can somebody tell me why with

dir(pattern = ".txt")

dir(pattern = ".dbf")

etc.

I get exactly what I want (a vector with the file names correctly 
suffixed), but with

dir(pattern = ".r")

I get this:

> dir(pattern=".r") [1] "Article Predation" "BD Carto" [3] "broma1.txt" 
"broma3.txt" [5] "BromaBusesMilanMicha.xlsx" "Bromadiolone" [7] 
"BufferRenard.dbf" "BufferRenard.prj" [9] "BufferRenard.shp" 
"BufferRenard.shx" [11] "clpboard" "DatesDiurnes.txt" [13] 
"DatesDiurnes_plus.txt" "DatesDiurnes_plus.xlsx" [15] 
"DatesDiurnesFREDON" "DatesDiurnesFREDON_plus.txt" [17] 
"DatesDiurnesFREDON_plus.xlsx" "DatesDiurnesRegis.txt" [19] 
"DatesDiurnesRegis_plus.txt" "DatesDiurnesRegis_plus.xlsx" [21] 
"DatesNocturnes.txt" "DatesNocturnes_plus.txt" [23] 
"DatesNocturnes_plus.xlsx" "DatesNocturnesFREDON" [25] 
"DatesNocturnesFREDON_plus.txt" "DatesNocturnesFREDON_plus.xlsx" [27] 
"DatesNocturnesRegis.txt" "DatesNocturnesRegis_plus.txt" [29] 
"DatesNocturnesRegis_plus.xlsx" "Figures" [31] "ParcBuf300n.dbf" 
"ParcBuf300n.prj" [33] "ParcBuf300n.shp" "ParcBuf300n.shx" [35] 
"ParcBuf350n.dbf" "ParcBuf350n.prj" [37] "ParcBuf350n.shp" 
"ParcBuf350n.shx" [39] "Script_190517_preparation.r" 
"Script_190518_scores_AT.r" [41] "Script_190519_1430_cinetiques_IKA.r" 
"Script_190519_1622_transects_camp.r" [43] 
"Script_190530_1700_preparation2.r" 
"Script_190530_1903_cinetiques_IKA2.r" [45] 
"Script_190531_0922_scores_AT2.r" "Script_190531_1729_prey_resource.r" 
[47] "Script_190601_1509_graphIKAd.r" 
"Script_190601_1509_graphIKAd_old.r" [49] 
"Script_190601_1509_graphIKAn.r" "Script_190601_1509_graphIKAn_old.r" 
[51] "Script_190601_1955_spatial.r" "Script_190708_0930_distance.r" [53] 
"Script_190709_0930_impact renard.r" 
"Script_200117_cinetiques_article.r" [55] 
"Script_200119_source_stats_explore_diurne.r" "Script_200119_stats.r" 
[57] "Script_200122_spatial_distribution.r" "Script_200124_distance.r" 
[59] "Script_200124_distance_source_d.r" 
"Script_200124_distance_source_n.r" [61] 
"Script_200201_impacts_on_prey.R" "ScriptCompteLignes.r" [63] 
"Scripts_avant_200112.zip" "shinyPred" [65] "StudyArea.dbf" 
"StudyArea.prj" [67] "StudyArea.shp" "StudyArea.shx" [69] 
"SurfaceZoneEtude.dbf" "SurfaceZoneEtude.prj" [71] 
"SurfaceZoneEtude.shp" "SurfaceZoneEtude.shx" [73] "transects_camp.Rdata"


How can I get all the files, only these files, suffixed with ".r" ?

Thanks in advance,

------------------------------------------------------------------------


> dir() [1] "Analyse_190523_baseline_190523_1506.docx" 
"Analyse_190523_baseline_190531_2110.docx" [3] 
"Analyse_190523_baseline_190531_2110.Rmd" "Analyse_190531_baseline.docx" 
[5] "Analyse_190531_baseline.Rmd" "Analyse_190531_baseline_cache" [7] 
"Analyse_190531_baseline_files" "Analyse_190603_spatial.docx" [9] 
"Analyse_190603_spatial.Rmd" "Analyse_190603_spatial_cache" [11] 
"Analyse_190603_spatial_files" "Article Predation" [13] "BD Carto" 
"Biblio" [15] "broma1.txt" "broma3.txt" [17] "BromaBusesMilanMicha.xlsx" 
"Bromadiolone" [19] "BufferRenard.dbf" "BufferRenard.prj" [21] 
"BufferRenard.shp" "BufferRenard.shx" [23] "clpboard" "DatesDiurnes.txt" 
[25] "DatesDiurnes_plus.txt" "DatesDiurnes_plus.xlsx" [27] 
"DatesDiurnesFREDON" "DatesDiurnesFREDON_plus.txt" [29] 
"DatesDiurnesFREDON_plus.xlsx" "DatesDiurnesRegis.txt" [31] 
"DatesDiurnesRegis_plus.txt" "DatesDiurnesRegis_plus.xlsx" [33] 
"DatesNocturnes.txt" "DatesNocturnes_plus.txt" [35] 
"DatesNocturnes_plus.xlsx" "DatesNocturnesFREDON" [37] 
"DatesNocturnesFREDON_plus.txt" "DatesNocturnesFREDON_plus.xlsx" [39] 
"DatesNocturnesRegis.txt" "DatesNocturnesRegis_plus.txt" [41] 
"DatesNocturnesRegis_plus.xlsx" "Figures" [43] "IKAZ_old.zip" 
"IKAZ1999.txt" [45] "IKAZ2000.txt" "IKAZ2007.txt" [47] "IKAZ2008.txt" 
"IKAZ2009.txt" [49] "IKAZ2010.txt" "IKAZ2011.txt" [51] "IKAZ2012.txt" 
"IKAZ2013.txt" [53] "IKAZ2014.txt" "IKAZ2015.txt" [55] "IKAZ2016.txt" 
"IKAZ2017.txt" [57] "IKAZ2018.txt" "ParcBuf300n.dbf" [59] 
"ParcBuf300n.prj" "ParcBuf300n.shp" [61] "ParcBuf300n.shx" 
"ParcBuf350n.dbf" [63] "ParcBuf350n.prj" "ParcBuf350n.shp" [65] 
"ParcBuf350n.shx" "Photos ZELAC" [67] "plot.ds.R" "plot.dsmodel.R" [69] 
"RData" "Script_190517_preparation.r" [71] "Script_190518_scores_AT.r" 
"Script_190519_1430_cinetiques_IKA.r" [73] 
"Script_190519_1622_transects_camp.r" 
"Script_190530_1700_preparation2.r" [75] 
"Script_190530_1903_cinetiques_IKA2.r" "Script_190531_0922_scores_AT2.r" 
[77] "Script_190531_1729_prey_resource.r" 
"Script_190601_1509_graphIKAd.r" [79] 
"Script_190601_1509_graphIKAd_old.r" "Script_190601_1509_graphIKAn.r" 
[81] "Script_190601_1509_graphIKAn_old.r" "Script_190601_1955_spatial.r" 
[83] "Script_190708_0930_distance.r" "Script_190709_0930_impact 
renard.r" [85] "Script_200117_cinetiques_article.r" 
"Script_200119_source_stats_explore_diurne.r" [87] 
"Script_200119_stats.r" "Script_200122_spatial_distribution.r" [89] 
"Script_200124_distance.r" "Script_200124_distance_source_d.r" [91] 
"Script_200124_distance_source_n.r" "Script_200201_impacts_on_prey.R" 
[93] "ScriptCompteLignes.r" "Scripts_avant_200112.zip" [95] "shinyChim" 
"ShinyConnect.R" [97] "shinyPred" "StudyArea.dbf" [99] "StudyArea.prj" 
"StudyArea.shp" [101] "StudyArea.shx" "SurfaceZoneEtude.dbf" [103] 
"SurfaceZoneEtude.prj" "SurfaceZoneEtude.shp" [105] 
"SurfaceZoneEtude.shx" "transects_camp.Rdata"


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