reader_loop()函数中调用read_command()取得命令结构体global_command,然后赋值给current_command并交给execute_command ()去执行。 read_command ()调用parse_command (),此时函数调用关系为:main()-->reader_loop()-->read_command()-->parse_command() 代码语言:javascript 代码运行次数:0 运行 AI代码解释 /*...
OPTIONS In addition to the single-character shell options documented in the description of the set builtin command, bash inter- prets the following options when it is invoked: -c string If the -c option is present, then commands are read from string. If there are arguments after the string...
Bash is acommand-line interface interpreterthat runs in a text window where users can manage and execute shell commands. Bash – or shell scripting – on the other hand is the process of writing a set of commands to be executed on a Linux system. A file that includes such instructions is...
AI代码解释 1def numberOfDirectoriesToKeep=42def webappsDir=newFile('/usr/local/tomcat/tomcat_aps')3def webDirectories=webappsDir.listFiles().grep(~/.*webapps_.*/)4def numberOfWeappsDirectories=webDirectories.size();56if(numberOfWeappsDirectories>=numberOfDirectoriesToKeep){7webDirectories.sort...
The pipe symbol --vertical bar(|) -- directs output from the directory listing into thegrepcommand to return only files and subdirectories with file names that include the specified text pattern. This command returns only files that include the string filename.txt, so this command can be use...
-e, --execute=COMMAND execute a `.wgetrc'-style command Logging and input file: -o, --output-file=FILE log messages to FILE -a, --append-output=FILE append messages to FILE -d, --debug print lots of debugging information -q, --quiet quiet (no output) -v, --verbose be verbose ...
preexecExecuted just after a command has been read and is about to be executed. The string that the user typed is passed as the first argument. precmdExecuted just before each prompt. Equivalent to PROMPT_COMMAND, but more flexible and resilient. ...
Add asetgitversionscript to update the version string with git 4年前 shellcheck.1.md doc: update man 2个月前 shellcheck.hs Add extended-analysis directive to toggle DFA 1年前 stack.yaml Update stack resolver 4年前 striptests Strip lines containing "STRIP" from ./striptests ...
Let's analyze the above command: The "2>&1" command: Using "2>&1" , we redirect the standard error to standard output. The string "2>&1" indicates that any errors should be sent to the standard output, that is, the UNIX/Linux file id of 2 for standard error, and the file id...
urlencode.sh / urldecode.sh - URL encode/decode quickly on the command line, in pipes etc. urlextract.sh - extracts the URLs from a given string arg, file or standard input url_extract_redirects.sh - extracts the URLs from a given string arg, file or standard input, queries each one ...