另见:http://stackoverflow.com/questions/4774054/reliable-way-to-get-the-full-path-to-a-bash-script (2认同) 即使使用`bash`,`$0` 也并不总是足够的。一个脚本可能来自另一个脚本! (2认同) @TJCrowder @ VolodymyrM.Lisivka你也可以使用`$(realpath"$ 0")`但请注意,readlink和readpath都不...
PEM or DER--private-key=FILE private keyfile--private-key-type=TYPE private key type, PEM or DER--ca-certificate=FILEfilewith the bundle of CAs--ca-directory=DIR
_tcpdump() { local cur prev COMPREPLY=() cur=`_get_cword` prev=${COMP_WORDS[COMP_CWORD-1]} case "$prev" in -@(r|w|F)) _filedir return 0 ;; -i) _available_interfaces -a return 0 ;; esac if [[ "$cur" == -* ]]; then COMPREPLY=( $( compgen -W '-a -d -e -...
When you execute a command or run a script, you receive an exit code. An exit code is a system response that reports success, an error, or another condit...
This section describes how to build ShellCheck from a source directory. ShellCheck is written in Haskell and requires 2GB of RAM to compile. Installing Cabal ShellCheck is built and packaged using Cabal. Install the packagecabal-installfrom your system's package manager (with e.g.apt-get,brew,...
aws s3 cp s3://bucket/subfolder/ /storage/ --recursive --exclude '*' --include 'a.data' --include 'b.data' --include 'c.data' ... and so on. 当我从命令行运行该命令时,一切都按预期运行。 然而,当我运行应该运行该命令的bashshell时,aws会尝试下载该子文件夹中的所有文件。我已经与ps...
files --keep-subject --signoff --signature --no-signature --in-reply-to= --cc= --full-index --binary --not --all --cover-letter --no-prefix --src-prefix= --dst-prefix= --inline --suffix= --ignore-if-in-upstream --subject-prefix= --output-directory --reroll-count --to= -...
-R stands for recursive, since it is a folder it will recursively copy all the contents in that folder. R 代表递归,因为它是一个文件夹,它将递归地复制该文件夹中的所有内容。 mv will move files from one location to another. Mv 会把文件从一个地方转移到另一个地方。 mv hello.py cs196/home...
if grep -q 'foo' ~/.bash_history; then echo "You appear to have typed 'foo' in the past" fi subshell DIR=test (cd $DIR; echo "I'm now in $PWD") pwd # still in first directory 重定向 python hello.py > output.txt # stdout to (file) python hello.py >> output.txt # stdou...
Bash's exit status is the exit status of the last command executed in the script. If no commands are executed, the exit status is 0. An attempt is first made to open the file in the current directory, and, if no file is found, then the shell searches the directories in PATH for ...