Read Lines from a File in R Programming – readLines() Function
Last Updated :
01 Jul, 2020
readLines()
function in R Language reads text lines from an input file. The readLines()
function is perfect for text files since it reads the text line by line and creates character objects for each of the lines.
Syntax: readLines(path)
Parameter:
path: path of the file
Example 1:
path < - getwd()
write.table(x = "the first line\nthe second line\nthe third line" ,
file = paste(path, "/my_txt.txt" , sep = ""),
row.names = FALSE, col.names = FALSE, quote = FALSE)
my_txt < - readLines(paste(path, "/my_txt.txt" , sep = ""))
my_txt
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Output:
[1] "the first line" "the second line" "the third line"
Example 2:
path < - getwd()
write.table(x = "the first line\nthe second line\nthe third line" ,
file = paste(path, "/my_txt.txt" , sep = ""),
row.names = FALSE, col.names = FALSE, quote = FALSE)
my_txt_ex2 < - readLines(paste(path, "/my_txt.txt" , sep = ""),
n = 2 )
my_txt_ex2
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Output:
[1] "the first line" "the second line"
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