Created
December 31, 2011 13:30
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Search and replace string across files with R
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## The following example demonstrates | |
## how a serach and replace string task | |
## can be peformed with R across several files | |
## Create two text files with content | |
filenames <- c( tempfile(), tempfile() ) | |
for( f in filenames ){ | |
cat("We wish you a Merry Christmas!\n\nBest regards\n", file=f) | |
} | |
## Replace Merry Christmas with Happy New Year | |
for( f in filenames ){ | |
x <- readLines(f) | |
y <- gsub( "Merry Christmas", "Happy New Year", x ) | |
cat(y, file=f, sep="\n") | |
} | |
## Review output | |
for( f in filenames ){ | |
cat(readLines(f), sep="\n") | |
} |
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Yesss! This is exactly what I needed!