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word_counter: handle bad path

pull/679/head
Alexander Medvednikov 2019-06-26 18:01:31 +02:00
parent 69a363472f
commit 92ecd0ca7c
1 changed files with 4 additions and 1 deletions
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5
examples/word_counter/word_counter.v
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@ -13,7 +13,10 @@ fn main() {
else { else {
path = os.args[1] path = os.args[1]
} }
contents := os.read_file(path.trim_space()) contents := os.read_file(path.trim_space()) or {
println('failed to open $path')
return
}
mut m := map[string]int{} mut m := map[string]int{}
for word in contents.to_lower().split(' ') { for word in contents.to_lower().split(' ') {
key := filter_word(word) key := filter_word(word)