-rw-rw-r--. 1 zexcon zexcon 685 Oct 4 16:00 learnToScriptAllOutput -rw-rw-r--. 1 zexcon zexcon 23 Oct 4 12:42 learnToScriptInput -rw-rw-r--. 1 zexcon zexcon 0 Oct 4 16:42 learnToScriptOutput -rw-rw-r--. 1 zexcon zexcon 52 Oct 4 16:07 learnToScriptOutputError -...
一种是将脚本作为bash的命令行参数,如: $ bash script.sh #假设脚本位于当前目录下 $ bash /home/path/script.sh #使用脚本的完整路径 另一种则是授予脚本执行权限,将其变为可执行文件。 $ chmod a+x script.sh #赋予脚本执行权限 $ ./script.sh; #使用相对路径 $ /home/path/script.sh #使用完整路径...
PPID=20046 <== 父程序的 PID (会在后续章节才介绍) PROMPT_COMMAND='echo -ne "\033]0;USER@USER@{HOSTNAME%%.*}:${PWD/#$HOME/~}\007"' <== 上面这个是命令提示字符!与底下也有关。 PS1='[\u@\h \W]$' <== PS1 就厉害了。这个是命令提示字符,也就是我们常见的 [root@linux ~]# 或 ...
它将标准输出写入 learnToScriptStandardOutput,标准错误信息写入 learnToScriptStandardError,二者共同都写入 learnToScriptAllOutput 文件。 复制 #!/bin/bash #As we know this article is about scripting. So let's #use what we learned in a script. ...
# 2) To invoke this shell script and redirect standard # output and standard error to a file (such as # test-bucket-1.out) do the following (the -s flag # is "silent mode" to avoid prompts to the user): # # ./test-bucket-1 -s 2>&1 | tee test-bucket-1.out ...
-p"prompt" //提示 -ttimeout 给变量默认值 varName=${varName:-value} 如果varName不空,则返回varName的值;否则varName会使用value作为其值 使用read参数[-p]后,允许在[-p]后面跟一字符串,在字符串后面跟n个shell变量。n个shell变量用来接收从shell界面输入的字符串 ...
Prompt the user to verify if they are a sudoer. Then, add sudo to the commands that require it. The following code shows how to apply these changes to the script: #!/bin/bash E_NOTROOT=87 # Non-root exit error. ## Prevent the execution of the script if the user has no root pri...
git_askpass.sh - credential helper script to use environment variables for git authentication github/*.sh - GitHub API / CLI scripts: github_api.sh - queries the GitHub API. Can infer GitHub user, repo and authentication token from local checkout or environment ($GITHUB_USER, $GITHUB_TOKEN...
script#GIT_PROMPT_THEME=Custom # use custom theme specified in file GIT_PROMPT_THEME_FILE (default ~/.git-prompt-colors.sh)#GIT_PROMPT_THEME_FILE=~/.git-prompt-colors.sh#GIT_PROMPT_THEME=Solarized # use theme optimized for solarized color schemesource~/.bash-git-prompt/gitprompt.sh ...
If we are doing this manually, we can just typey <Enter>and pass this prompt. But if we’re writing an automated script, we wouldn’t want this prompt to stop our script mid-execution. Normally in this situation, we should prefer using the-fflag of thermcommand to disable prompts. But...