1.equalsString类中的equals是经过重写了的,检查字符串是否相等可以用以下语句:s.equals(t); //比较字符串s与t是否相等如果两字符串结果相等返回true,如果不相等返回false。2.compareTocompareTo按照字典顺序检查两字符串,如果完全相等就返回0,详细用法查看API,这里不做表述。用法如下:if (s.compareTo(t) == 0...
[[ string1 =~ regex ]] if [[ "$INT" =~ ^-?[0-9]+$ ]]; wangdoc.com/bash/condit • AND运算:符号&&,也可使用参数-a。 • OR运算:符号||,也可使用参数-o。 • NOT运算:符号!。 [[ $INT -ge $MIN_VAL && $INT -le $MAX_VAL ]] ((...))作为算术条件 if ((3 > 2))...
https://ryanstutorials.net/bash-scripting-tutorial/bash-if-statements.php https://stackoverflow.com/questions/4277665/how-do-i-compare-two-string-variables-in-an-if-statement-in-bash http://www.masteringunixshell.net/qa36/bash-how-to-add-to-array.html https://www.cyberciti.biz/faq/linux-u...
问在Bash中比较两个字符串时获得“未找到命令”错误EN今天学习了rsync的同步操作，本打算往服务器同步...
Bash string comparison It is advisable always to check and compare if two strings are equal in a Bash script; this is quite important for different reasons. If two strings are equal in a Bash script, it implies that both strings have the same length and character sequence. The “if” stat...
Write a Bash script that takes a string as an argument and prints “how proper” if the string starts with a capital letter. Write a Bash script that takes one argument and prints “even” if the first argument is an even number or “odd” if the first argument is an odd number. ...
五、if语句 if 中一定要用[]来描述里面的判断语句 注意这里的单个 号 -eq 数值上的比较(==),=类似于string中的compare 这里$?中,0表示TRUE,1表示FALSE if嵌套: if else: nl就是列出每行的行号,并输出每行内容 elseif and or df -h 返回文件的使用情况 ...
Let’s create a Bash script to take the username as input from the user and compare the name string with the hardcoded name. #!/bin/bash echo "Enter Username" read name while [ "$name" = "sam" ] || [ "$name" = "Sam" ] ...
your code. this is particularly useful in complex programs with many different parts, as it can help you keep track of where each section begins and ends. it's also commonly used to indicate the hierarchy of nested elements or loops. what happens if i don't use block indent in my ...
// 计算差多少秒//输出结果 // long sec = diff % nd % nh % nm / ns; return day + "天" + hour + "小时..." + min + "分钟"; } public static String getFormatDate(String format,Date date) { if (...parseDateToStr(format, date); return dateStr; } return ""; } ...