Loading failure in load_dam()

[ketomihara]

Hi,

I had an error on load_dam() function.
My environments are R 4.4.3, damr 0.3.7, behavr 0.3.3 (Windows 11).
The dataset was from https://github.com/rethomics/rethomics.github.io/raw/source/material/damr_tutorial.zip.
Here's my code:

> library(behavr)
> library(damr)
> 
> DATA_DIR <- "./"
> list.files(DATA_DIR, pattern= "*.txt|*.csv")
[1] "metadata.csv"  "Monitor11.txt" "Monitor14.txt" "Monitor64.txt"
> 
> metadata <- read.csv("metadata.csv")
> 
> #Linking
> metadata <- link_dam_metadata(metadata, result_dir = DATA_DIR)
> metadata
Key: <id>
                                       id file_info      start_datetime
                                   <fctr>    <list>              <char>
  1: 2017-07-01 08:00:00|Monitor11.txt|01 <list[2]> 2017-07-01 08:00:00
  2: 2017-07-01 08:00:00|Monitor11.txt|02 <list[2]> 2017-07-01 08:00:00
  3: 2017-07-01 08:00:00|Monitor11.txt|03 <list[2]> 2017-07-01 08:00:00
  4: 2017-07-01 08:00:00|Monitor11.txt|04 <list[2]> 2017-07-01 08:00:00
  5: 2017-07-01 08:00:00|Monitor11.txt|05 <list[2]> 2017-07-01 08:00:00
 ---                                                                   
188: 2017-07-11 08:00:00|Monitor64.txt|28 <list[2]> 2017-07-11 08:00:00
189: 2017-07-11 08:00:00|Monitor64.txt|29 <list[2]> 2017-07-11 08:00:00
190: 2017-07-11 08:00:00|Monitor64.txt|30 <list[2]> 2017-07-11 08:00:00
191: 2017-07-11 08:00:00|Monitor64.txt|31 <list[2]> 2017-07-11 08:00:00
192: 2017-07-11 08:00:00|Monitor64.txt|32 <list[2]> 2017-07-11 08:00:00
           stop_datetime region_id    sex genotype replicate
                  <char>     <int> <char>   <char>     <int>
  1: 2017-07-04 00:00:00         1      M        A         1
  2: 2017-07-04 00:00:00         2      M        A         1
  3: 2017-07-04 00:00:00         3      M        A         1
  4: 2017-07-04 00:00:00         4      M        A         1
  5: 2017-07-04 00:00:00         5      M        A         1
 ---                                                        
188: 2017-07-14 00:00:00        28      F        C         2
189: 2017-07-14 00:00:00        29      F        C         2
190: 2017-07-14 00:00:00        30      F        C         2
191: 2017-07-14 00:00:00        31      F        C         2
192: 2017-07-14 00:00:00        32      F        C         2
> #Loading
> dt <- load_dam(metadata)
Error in find_dam_first_last_lines(path, start_datetime, stop_datetime,  : 
  No data in selected date range
> summary(dt)
Error in object[[i]] : object of type 'closure' is not subsettable

According to the previous issue (#17), the language difference may have caused this problem.
Although R was installed in English, my OS is working on Japanese.
Do you have any idea to avoid this issue?

Thank you,

[ketomihara]

I figured out strptime() used inside the damr package is causing this error.
The following line possibly resolves the error:
lct <- Sys.getlocale("LC_TIME"); Sys.setlocale("LC_TIME", "C")