function device(){ device = true } function help(){ echo "This script only accepts the following options:" echo "-p [android|a|ios|i] : select android platform" echo "-d : run on actual device" } main $@ 但是这个脚本失败了,不知道为什么: ✅ 最佳回答: 我没花多少时间,但我发现了...
9. Provide one function to terminate the script when there are errorsIt is a good idea to provide a central function to terminate the execution of the script when critical errors are encountered. This function could provide additional instructions on what to do in such situations: # --- # S...
# Manual install: Added below line to your .or any local rc script(): # --- # source /path/to/virtual.sh # --- # # Now you can 'activate' the virtual environment by typing # $ setv <YOUR VIRTUAL ENVIRONMENT NAME> # # For example: # $ setv rango # # or type: # setv [TA...
AI代码解释 /* Command Types: */enumcommand_type{cm_for,cm_case,cm_while,cm_if,cm_simple,cm_select,cm_connection,cm_function_def,cm_until,cm_group,cm_arith,cm_cond,cm_arith_for,cm_subshell,cm_coproc}; 整型成员flags定义了命令的执行环境,比如是否在子shell中执行,是否在后台执行等等。 联合...
| 磁盘命令 | | | |函数及内置命令 make_child() | |FAILED | | | | execute_builtin_or_function() fork()--->pid ->execute_shell_script() | --->return(result) 父进程
那么在script.sh中加入以下函数: functionprint_caller_name {echo"${BASH_SOURCE[1]}is the caller script."} 当执行caller.sh脚本时,将会打印: caller.shis the callerscript. ${BASH_SOURCE[@]}和调用栈 实际上,BASH_SOURCE是一个数组,包含了当前命令或函数调用栈的脚本和源文件名的列表。数组中的第一个...
注:linux中有一个经典名言【一切皆文件】,/dev/null可以认为是一个特殊的空文件,更形象点,可以理解为科幻片中的黑洞,任何信息重向定输出到它后,便有去无回,当然黑洞里也没有信息能出来。 综合来讲,上面的意思就是利用<将黑洞做为demo.txt的标准输入,黑洞里没任何内容,任何文件里的内容被它吞噬了,自然也没就...
A bash function is a set of commands that can be reused numerous times throughout a bash script. Create a new file:nano function.shThen, paste in the following code – it creates a simple Hello World function.#!/bin/bash hello () { echo 'Hello World!' } hello...
shell script use array and popen , array , function 20190523 ### lib function parallel_sh_file() { cmd=$1 for i in `$cmd` do echo "sh ./$i &" done echo wait echo "" } ### lib end ### main_ declare -a arr_pattern_shell arr_pattern_shell=( "ls clean_[0-9]*" "ls ...
Please note that which nvm will not work, since nvm is a sourced shell function, not an executable binary.Note: On Linux, after running the install script, if you get nvm: command not found or see no feedback from your terminal after you type command -v nvm, simply close your current...