https://www.baeldung.com/linux/bash-shebang-lines https://stackoverflow.com/questions/43793040/how-does-usr-bin-env-work-in-a-linux-shebang-line refs https://www.cnblogs.com/xgqfrms/p/16476153.html#5173280 https://www.runoob.com/linux/linux-shell-process-control.html ©xgqfrms 2012-2021 ...
The syntax for the switch case in shell scripting can be represented in two ways one is single pattern expression and multi-pattern expression let’s have a look now. First Syntax Method Now, we will have a look at the syntax of the switch case conditional statement with a single pattern....
/bin/bash read -p "please input check script-> " file if [ -f $file ]; then sh -n $file > /dev/null 2>&1 if [ $? -ne 0 ]; then read -p "You input $file syntax error,[Type q to exit or Type vim to edit]" answer case $answer in q | Q) exit 0 ;; vim) vim ...
In this script, the user is prompted for the name of a month. To make the pattern matching case insensitive we use the shopt command with the "-s nocasematch" option. It won't matter if the input contains uppercase, lowercase, or a mixture of the two. #!/bin/bash shopt-s nocase...
...UPDATE salary SET sex = IF(sex = 'm', 'f', 'm') 也可以利用条件语句,在搜索的时候,直接进行数据转换 select *,(CASE WHEN sex='1'...参考资料: 1、Mysql if case总结 2、Leetcode swap salary 3、select case when if 的一些用法 4、IF Syntax...
...UPDATE salary SET sex = IF(sex = 'm', 'f', 'm') 也可以利用条件语句,在搜索的时候,直接进行数据转换 select *,(CASE WHEN sex='1'...参考资料: 1、Mysql if case总结 2、Leetcode swap salary 3、select case when if 的一些用法 4、IF Syntax...
Basic Syntax of the CASE Statement case $variable in pattern-1) commands ;; pattern-2) commands ;; pattern-3|pattern-4|pattern-5) commands ;; pattern-N) commands ;; *) commands ;; esac Example of a BASH Script with the CASE Statement ...
禁用:syntax off 6. 忽略字符的大小写 启用:set ic 不忽略:set noic 7. 文件格式 启用windows格式:set fileformat=dos 启用unix格式:set fileformat=unix 8. 设置文本宽度 :set textwidth=65 (vim only) :set wrapmargin=15 ...
Sign in to view logs Summary Jobs main Run details Usage Workflow file Triggered via issue April 5, 2024 23:05 mjbvz unassigned #209602 3811450 Status Success Total duration 24s Artifacts – deep-classifier-unassign-monitor.yml on: issues main 15s Oh hello! Nice to see you. Made with...
shell脚本之判断 if,elif, case 单分支if语句: if 条件; then 语句1 语句2 ... fi if 条件 then 例子1:写一个脚本,实现如下功能: 如果用户存在,就说明其存在; #!/bin/bash # UserName=user1 if grep "^$UserName\>" /etc/passwd &> /dev/null; then...