/bin/bashset-eSCRIPT_DIR="$( cd "$( dirname"${BASH_SOURCE[0]}")" && pwd )"# get UBUNTU_CODENAME, ROS_DISTRO, REPO_DIR, CATKIN_DIRsource $SCRIPT_DIR/identify_environment.bashcd"$HOME/catkin_ws/src"rm CMakeLists.txtgit clone https://...
/bin/bash## Name: test-bucket-1## Purpose:# Performs the test-bucket number 1 for Product X.# (Actually, this is a sample shell script,# which invokes some system commands# to illustrate how to construct a Bash script)## Notes:# 1) The environment variable TEST_VAR must be set# (...
check-scripts:# Fail if any of these files have warningsshellcheck myscripts/*.sh or in a Travis CI.travis.ymlfile: script:# Fail if any of these files have warnings-shellcheckmyscripts/*.sh Services and platforms that have ShellCheck pre-installed and ready to use: ...
/bin/sh # http://code.google.com/p/mooon # 通用的停止指定名的进程 # 特色: # 1. 只会停止当前用户名下的进程 # 2...可以指定命令行参数,可执行精准停止 # 检查参数 # 参数1:需要停止的进程名或它的完整命令行或部分命令行 if test $# -ne 1; t...
注:linux中有一个经典名言【一切皆文件】,/dev/null可以认为是一个特殊的空文件,更形象点,可以理解为科幻片中的黑洞,任何信息重向定输出到它后,便有去无回,当然黑洞里也没有信息能出来。 综合来讲,上面的意思就是利用<将黑洞做为demo.txt的标准输入,黑洞里没任何内容,任何文件里的内容被它吞噬了,自然也没就...
The 5 Steps To Debug a Script in Bash Step 1: Use a Consistent Debug Library Step 2: Check For Syntax Error Step 3: Trace Your Script Command Execution Step 4: Use The Extended Debug Mode Step 5: Provide Meaningful Debug Logs A Complete Example ...
# command command ls 在后台运行命令 这将运行给定命令并使其保持运行,即使在终端或SSH连接终止后也是如此。忽略所有输出。 bkr() { (nohup "$@" &>/dev/null &) } bkr ./some_script.sh # some_script.sh is now running in the background...
Inside a shell script, where the function definition must be before any calls on the function. Alongside other bash alias commands and directly in the terminal as a command. To use bash functions, follow the outlines below. Bash Function Syntax ...
In a shell script, the function can be defined anywhere before being called for execution and you can source your function definitions by using the source or dot command. A function is executed when it’s called by its name, it is equivalent to calling any other shell command....
Use this command to check the list of available shells on your Unix operating system:cat /etc/shellsThe output should show a list like this:/bin/bash /bin/sh /bin/tcsh /bin/cshEach bash shell script needs to start with #! followed by the absolute path to the bash interpreter. To ...