参考:http://wiki.workassis.com/shell-script-convert-text-to-lowercase-and-uppercase/ 2019-03-1300 雄鞋谋塘 如果使用v4,这就是烘焙。如果没有,这是一个简单,广泛适用的解决方案。此线程上的其他答案(和注释)在创建下面的代码时非常有用。 # Like echo, but converts to lowercase echolcase () { tr...
参考:http://wiki.workassis.com/shell-script-convert-text-to-lowercase-and-uppercase/ 伟大的!正要做出这样的回答。许多答案添加了许多不需要的信息 T Tomas Jablonskis 简单的方法 echo "Hi all" | awk '{ print tolower($0); }' 最好使用能正确处理 UTF8 编码字符(和不同语言字符集)的 gawk。
Lowercase + capitalize + concatenate words of a string, String manipulation available in bash version 4: $ {variable,,} to lowercase all letters. $ {variable^} to uppercase first letter of each word. use $ … How to capitalize only first letter in filename using tr or mv on Linux? Que...
The ^ operator converts lowercase letters matching pattern to uppercase; the , operator converts matching uppercase letters to lowercase. The ^^ and ,, expansions convert each matched character in the expanded value; the ^ and , expansions match and convert only the first character in the expa...
Bash has multiple shorthand tricks for doing various things to strings.${variable,,} #this converts every letter in the variable to lowercase ${variable^^} #this converts every letter in the variable to uppercase ${variable:2:8} #this returns a substring of a string, starting at the ...
new_string=$(echo "$input_string" | tr -dc '[:alnum:]' | tr '[:upper:]' '[:lower:]'): Removes non-alphanumeric characters and converts the string to lowercase using the "tr" command. reversed_string=$(echo "$clean_string" | rev): Reverses the new string using the "rev" com...
Script to remove spaces and lowercase in file names, How to remove leading and trailing spaces from a shell variable, Remove last space from line
echo "convert a file(s) from lowercase to uppercase" echo "will convert all characters according to the" ;; echo " specified command option." echo " Where option is" echo " -l Convert to lowercase" echo " -u Convert to uppercase" ...
However, since the-uattribute was set, checking the value of the variable shows that it has the value ofEXAMPLE. echo $testvar The-lattribute has the opposite effect. declare -l testvar="EXAMPLE" Setting it converts uppercase letters to lowercase. ...
Create a bash file namedcase4.shwith the following code. Here,,,operator is used to convert the values taken from the users and compare with the variable$usernameand$password. If both values match then the script will print “Valid user” otherwise it will print “Invalid user”. ...