我有引用的文字 test,first,line,"you are a "kind" man",thanks
again,second,li,"my "boss" is you",good
內雙引號的CSV文件的內容我需要更換每一個雙引號之前沒有或者通過「」 test,first,line,"you are a ""kind"" man",thanks
again,second,li,"my
my_string = 'Here's the #: 49848! - but will dashes, commas & stars (*) show?'
puts src.gsub(/\d|\W/, "")
即可以刪除or(「|」)。 以下是我到這裏的方式,我可以縮短嗎? src = "Here's the #: 49848! - but will dashes, commas & s
Bash是否有類似於|| =的內容? 也就是說,有沒有更好的方式來做到以下幾點: if [ -z $PWD ]; then PWD=`pwd`; fi
我這麼問是因爲我得到這個錯誤: $ echo ${`pwd`/$HOME/'~'}
-bash: ${`pwd`/$HOME/'~'}: bad substitution
所以,我的計劃是要做到: if [ -z $PWD ]; then