break命令用于结束for,while或until循环,可指定退出几层循环。 语法格式 break [参数] 常用参数: n大于等于1的整数,用于指定退出几层循环 参考示例 break的可选参数n缺省值为1: for((j=3;j>0;j--)); do for((i=3;i>0;i--)); do if((j==2)); then break fi printf "%s %s\n" ${i} $...
$ echo ' echo -n "Please enter a nummber or letter: "' >> a.sh# cs @ edu in ~ [19:01:08] $ echo ' read c' >> a.sh# cs @ edu in ~ [19:01:08] $ echo ' case $c in ' >> a.sh# cs @ edu in ~ [19:01:08] $ echo ' 0|1|2|3|4|5|6|7|8|9) echo "...
" break time_manager:set_time_i ^ Unable to parse input as legal command or Fortran expression." None of above work. Did I miss something when I use it ? Thanks Translate Tags: Intel® Fortran Compiler 0 Kudos Reply TimP Honored Contributor III 09-06-2011 12:53 PM ...
Command to displaybreakmanual in Linux:$ man 1 break NAME bash BASH BUILTIN COMMANDS SEE ALSO bash(1),sh(1)
《前端运维》一、Linux基础–06Shell流程控制 2、if else语句 语法格式: if condition then command1 command2 ...3、if else-if else语句 语法格式: if condition1 then command1 elif condition2 then command2 else...commandN done 写成一行和if语句是一样的,或者说,shell中写成一行的语法都是类似的: fo...
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(1)while语法:while command do list done 例:输出1~10。 #!/bin/sh x=1 while [ $x –le 10 ] do echo $x x=$(($x+1)) done 还可以进行嵌套。 (2)until语法:until command do list done (3)for语法:for name in word1 word2…wordN ...
在command命令后加断点编号,可以定义断点触发后想要执行的操作。在一些高级的自动化调试场景中可能会用到。 ❞ 命令行 程序栈 多进程、多线程多进程 GDB在调试多进程程序(程序含fork调用)时,默认只追踪父进程。可以通过命令设置,实现只追踪父进程或子进程,或者同时调试父进程和子进程。
selectcommandinw top free quit do case$commandin w) w ;; top) top ;; free) free ;; quit) exit ;; *) echo"Please input a number:(1-4)." esac done 如果想要脚本每次输入一个序号后就自动退出,则需要再次更改脚本如下: #!/bin/bash ...
#!/bin/bash PS3="Please select a number: " echo "Please chose a number, 1: run w, 2: run top, 3: run free, 4: quit" echo select command in w top free quit do case $command in w) w ;; top) top ;; free) free ;; quit) exit ;; *) echo "Please input a number:(1-...