一、和空字符串相加1 var a = 15; 2 a = a +''; //将数值型数据转换成字符串二、使用String函数强制转换1 var a = 15; 2 a = String(a);三、toString方法转换;1 string_value = number.toString();Number对象的(基本的数字转换为Number对象,以便可以调用这个方法)toString()方法有一 数字转字符串...
read monthname case $monthname in ## convert $monthname to number [Jj][Aa][Nn]*) month=1 ;; [Ff][Ee][Bb]*) month=2 ;; ## ...put the rest of the year here [Dd][Ee][Cc]*) month=12 ;; [1-9]|1[0-2]) month=$monthname ;; ## accept number if entered *) echo "Inva...
"## Convert a CSV file into a markdown table:# markdown-table -s, < some.csv# markdown-table --csv < some.csv## Convert a TSV file into a markdown table:# markdown-table -s$'\t' < test.tsv# markdown-table --tsv < test.tsv# Call this script with DEBUG=1 to add some d...
参考// string 长度必须为偶数public static byte[] hexStringToByteArray(String s) { int len = s.length(); byte[] data = new byte[len / 2]; for (int i = 0; i < len; i += 2) { data[i / 2] = (byte) ((Character.digit(s.charAt(i), 16) << 4) + Character.digit(s.ch...
所以git bash中输入tree命令时,自身/usr/bin中没有tree.exe文件,而系统中也没有tree.exe命令,那么就会提示找不到命令了啊! 手动补全命令 那么第一种调用方法便是补全后缀名,这样自然能够调用cmd的tree.com命令. git bash并不识别.com后缀的命令,输入tree命令时以为是tree.exe,实际上tree命令应该是tree.com的简写...
The script converts the number from the variable to a string and concatenates it with the rest of the message. Note:Always use double quotes around a variable name to avoid word splitting or globbing issues. Use single quotes to suppress variable interpolation and special treatment of the backsl...
google上找到这个stackoverflow上的帖子,才知道Bash 4.0以上版本有更好的办法: 《How to convert a string...【Linux学习笔记】44:Shell(bash)中的变量,字符串,数组 太久不用Shell了,已经快忘光了。最近实习很累,今晚有空整合学习以下。 编写和使用Shell 创建.sh文件,第一行: 表示这个文件的默认解释器是bash...
to make NAMEs have the `integer` attribute-l to convert the value of each NAME to lower case on assignment-n make NAME a reference to the variable named by its value-r to make NAMEs `readonly`-t to make NAMEs have the `trace` attribute-u to convert the value of each NAME to ...
#use $@ to print out all arguments at once echo $@ ' -> echo $@' # use $# variable to print out # number of arguments passed to the bash script echo Number of arguments passed: $# ' -> echo Number of arguments passed: $#' ...
Then to convert the floating-point number to an integer, the printf command is used with the format string %.0f (specifies that printf should output the floating-point number with zero decimal places). The obtained integer value is then stored in a variable int_num using command ...