search_text: search for string in text files in a directory

In jstrunk001/RSForInvt: Remote Sensing FORest INVenTory related analysis tasks, especially FUSION, lidR, NVEL

search for string in text files in a directory

Description

search for string in text files in a directory

Usage

search_text(
  match_string = "",
  directory = NA,
  file = NA,
  pattern = ".r",
  pattern_omit = c(NA, "dev_"),
  recursive = T,
  clus = NA
)

Arguments

match_string	string to find within searched files
directory	where to search files
file	single file
pattern	pattern to search for files
pattern_omit	pattern to omit searched files
recursive	look in subfolders?
clus	number of cores, or a cluster object

Details

search for string in text files in a directory

Revision History

1.0	2015 June 19 Created

Value

two column dataframe like: [1] file matches <0 rows> (or 0-length row.names)

Author(s)

Jacob L Strunk Forest Biometrician(PhD), Statistician (MSc)

See Also

makeCluster
list.files
readLines
grepl

Examples

test=search_text(directory="//Dnrfsoly107/fr_data/forest_info_1/fris3/R/functions",pattern="[.]r",pattern_omit="dev_",match_string="require(plyr)")
print(test)
test=search_text(directory="//Dnrfsoly107/fr_data/forest_info_1/fris3/R/functions",pattern="[.]r",pattern_omit="dev_",match_string="library(plyr)")
print(test)
test=search_text(directory="//Dnrfsoly107/fr_data/forest_info_1/fris3/R/functions",pattern="[.]r",pattern_omit="dev_",match_string="data.table")
print(test)
test=search_text("c:\\temp\\process_gridmetrics",pattern="2015_Wed_Jul_29_17p01p50.*[.]bat$",match_string = "46896")
print(test)

jstrunk001/RSForInvt documentation built on April 18, 2022, 11:03 p.m.