printf “$SCRIPT:$LINENO: please run this script with the BASH shell/n” >&2 exit 192 fi if test ! -x “$who” ; then printf “$SCRIPT:$LINENO: the command $who is not available — aborting/n “ >&2 exit 192 fi if test ! -x “$sync” ; then printf “$SCRIPT:$LINENO: th...
# mixer.bash: HTML color mixer # # Ken O. Burtch # CVS: $Header$ shopt -s -o nounset declare -rx SCRIPT=${0##*/} declare -i RED # amount of red in color declare -i GREEN # amount of green in color declare -i BLUE # amount of blue in color # Title printf “%s\n” “...
printf"Welcome to %s (%s %s %s)\n""$DISTRIB_DESCRIPTION""$(uname -o)""$(uname -r)""$(uname -m)" 可以看出这些文件都是bash可执行脚本,想知道脚本什么含义,我们直接手动执行一下脚本就好 打印了一串banner信息,也就是最初我们登录后显示的banner信息中的第一行信息,打印这串信息是由下面这行代码实...
如果命令被信号中断, Bash 返回状态码 128 ,加上信号码。最终,用户的错误码应该大于 191 , Bash 返回的错误码为 63 。信号码列在附录 E :信号。 if test ! -x “$who” ; then printf “$SCRIPT:$LINENO: the command $who is not available –“/ “ aborting/n “ >&2 exit 192 fi 一般,大部...
对于每一个Linux学习者来说,了解Linux文件系统的目录结构,是学好Linux的至关重要的一步.,深入了解linux文件目录结构的标准和每个目录的详细功能,对于我们用好linux系统只管重要,下面我们就开始了解一下linux目录结构的相关知识。 在Linux 或Unix操作系统中,所有的文件和目录都被组织成以一个根节点开始的倒置的树状结构...
cp[选项]源文件目标文件-v显示详情$cpfile.txt/path/to/destination/$cp-v/bin/{bash,ls}targetDir 创建文件 - mkdir mkdirfileName# 创建文件mkdir-pfileName# 在已存在的文件夹下创建子文件用,防报错# 实例$mkdir-p$HOME/test$mkdir-p$HOME/test/{bin,lib64,lib}# 创建多个子文件$cd$T ...
功能相同，不过存放的是64位的[/usr/libexec/]某些不被一般使用者惯用的可执行文件或脚本（script）...
bash Bourne Again SHell. {GNU}'s {command interpreter} for {Unix}. Bash is a {Posix}-compatible {shell} with full {Bourne shell} syntax, and some {C shell} commands built in. The Bourne Again Shell supports {Emacs}-style command-line editing, job control, functions, and on-line help...
The executable part of the file is a BASH script at the beginning of the file. Towards the beginning of this BASH script are a set of variables with empty strings: ... CL_INSTALLER_PASSWORD='' CL_INSTALLER_HASHED_PASSWORD='' CL_INSTALLER_LICENSE='' CL_INSTALLER_INTERFACES_FILENAME='' ...
1000+ DevOps Bash Scripts - AWS, GCP, Kubernetes, Docker, CI/CD, APIs, SQL, PostgreSQL, MySQL, Hive, Impala, Kafka, Hadoop, Jenkins, GitHub, GitLab, BitBucket, Azure DevOps, TeamCity, Spotify, MP3, LDAP, Code/Build Linting, pkg mgmt for Linux, Mac, Pytho