Spacebar :To go to the next screen b:to go to the previous screen /:to search for a specific word q:quit Pipelinesand Filters管道和过滤器 管道运算符“|”(垂直条)是一种将一个命令的输出作为输入发送到另一个命令的方法。 command1 | command2 当
# alias ls # command # shellcheck disable=SC1001 \ls绕过shell函数# function ls # command command lscommand命令 调用指定的指令并执行,命令执行时不查询shell函数。command命令只能够执行shell内部的命令。在后台运行命令这将运行给定命令并使其保持后台运行,即使终端或SSH连接中断后也是如此。但是会忽略所有输出...
-x Mark namesforexporttosubsequent commands via the environment.Using`+' instead of `-' turns off the attribute instead, with the exceptions that +a and +A may not beusedtodestroy array variablesand+r willnotremove thereadonlyattribute.Whenusedina func‐ tion,declareandtypeset makeeachname lo...
If no COMMAND is specified the WGET_ASKPASS or the SSH_ASKPASS environment variable is used. --no-iri turn off IRI support --local-encoding=ENC use ENC as the local encoding for IRIs --remote-encoding=ENC use ENC as the default remote encoding --unlink remove file before clobber --keep...
/binEssential user command binaries,所有用户的基本命令文件存放路径 /sbinSystem binaries,系统管理二进制程序存放路径 /bootStatic file of the boot loader,系统引导加载器必须用到的各静态文件,如:kerenl,initrd,initramfs /devdevice file ,特殊文件及设备文件 ...
$(COMMAND)或`COMMAND` //``是反引号 举例:要创建一个以创建时间为名称的目录: 命令引用是非常重要的。 bash基础特性——引用 强引用:' ' 弱引用:" " 命令引用:` ` $() bash基础特性——快捷键 ctrl+a:跳转至命令行首 ctrl+e:跳转至命令行尾 ...
if [[ -x "$(command -v "$STARTBIN")" ]] then echo "$STARTBIN" help "$STARTBIN" help fi } _PRINTUSAGE_() { printf "\\n\\e[1;33m %s \\e[0;32m%s \\e[1;34m%s\\n" "HELP" "${0##*/} help" "shall output the help screen." printf "\\n\\e[1;33m %s ...
# All functions including parents. "${FUNCNAME[@]}" 获取系统的主机名 "$HOSTNAME" # NOTE: This variable may be empty. # Optionally set a fallback to the hostname command. "${HOSTNAME:-$(hostname)}" 获取操作系统的体系结构 "$HOSTTYPE" ...
jenkins_foreach_job.sh - runs a templated command for each Jenkins job jenkins_jobs_download_configs.sh - downloads all Jenkins job configs to xml files of the same name jenkins_job_config.sh - gets or sets a Jenkins job's config jenkins_job_description.sh - gets or sets a Jenkins job...
Edit the selected files in your favorite$EDITOR Execute an arbitrary command with them It is easiest to understand by watching a simple demo: Examples After installing PathPicker, using it is as easy as piping intofpp. It takes a wide variety of input -- try it with all the options below...