err: grep: bar: No such file or directory out: return code 2 err: touch: cannot touch '/etc/foo': Permission denied out: err: out: Mon Jan 31 16:29:51 CET 2022 现在可以修改$STDERR和$STDOUT execCommand testCommand && { echo "$STDERR" > err.log; echo "$STDOUT" > out.log; ...
/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://gith...
While ShellCheck is mostly intended for interactive use, it can easily be added to builds or test suites. It makes canonical use of exit codes, so you can just add ashellcheckcommand as part of the process. For example, in a Makefile: check-scripts:# Fail if any of these files have w...
/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# (...
declare -rx wc=”/usr/bin/wc” # wc command # Sanity checks if test -z “$BASH” ; then printf “Please run this script with the BASH shell/n” >&2 exit 192 fi if test ! -x “$ls” ; then printf “$SCRIPT:$LINENO: the command $ls is not available — aborting/n “ >&2...
/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 $# -ne 1; t...
cat"$script_dir/my_file" 同时,脚本不会更改工作目录的位置。如果脚本是从其他目录执行的,并且用户提供了指向某个文件的相对路径,我们仍然可以读取它。 Try to clean up 代码语言:javascript 代码运行次数:0 运行 AI代码解释 trap cleanupSIGINTSIGTERMERREXITcleanup(){trap-SIGINTSIGTERMERREXIT# script cleanup here...
# 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...
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 ...
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....