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The meaning of several variables in a common shell with a $ symbol:Difference:@">@ * Same point: All parameters are referenced Different points: only in double quotes. Suppose that three parameters were written when the script was run (stored in1">123#xFF09;#x5219;quot;">3) "*" is equivalent to "1">123quot;#xFF08;#x4F20;#x9012;#x4E86;#x4E00;#x4E2A;#x53C2;#x6570;#xFF09;#xFF1B;#x800C;#x201C;">3"（Mass transferHanded a parameter number )

In Linux, shell variables $ #, $ @, $0, $1, $2 are interpreted as follows: Variable description: $ PID (ProcessID) of Shell itself $! PID of the background Process last run by Shell $? End code of the last command (Return Value) $-Flag list Set using the Set command $ * List of all parameters. For example, when "$ *" is included in... $ N "to output all parameter

Tags: number let [email protected] syn ber guide div lsp harExcerpt from: Abs_guide: http://www.tldp.org/LDP/abs/abs-guide.pdf The meaning of shell variable $#,[email protected],$0,$1,$2 in Linux is explained:Variable Description:$$The PID of the shell itself (ProcessID)$!PID of the Shell's last running background process$?End code of the last Run

Excerpted from: ABS_GUIDE : Http://www.tldp.org/LDP/abs/abs-guide.pdf In linux, shell variables $ #, $ @, $0, $1, $2 are interpreted as follows:Variable description:$Shell PID (ProcessID)$!PID of the background Process last run by Shell$?End code of the last command (return value)$-Flag overview Set by using the Set command$ *List of all parameters. For

Excerpt from: Abs_guide: http://www.tldp.org/LDP/abs/abs-guide.pdf The meaning of shell variable $#,[email protected],$0,$1,$2 in Linux is explained:Variable Description:$$The PID of the shell itself (ProcessID)$!PID of the Shell's last running background process$?End code of the last Run command (return value)$-Flag at a glance using the SET comm

Variable Description:$$ the shell itself PID (ProcessID)$! PID of the Shell's last running background process$? End code of the last Run command (return value)$-flag at a glance using the SET command$* all parameter lists. All arguments are considered to be a string[email protected] all parameter lists. argument is a separate string$# number of arguments added to the shellThe file name of the shell itself$1~ $n Each parameter value added to the shell.

Transferred from: http://www.cnblogs.com/fhefh/archive/2011/04/15/2017613.htmlThe meaning of shell variable $#,[email protected],$0,$1,$2 in Linux is explained:Variable Description:$$The PID of the shell itself (ProcessID)$!PID of the Shell's last running background process$?End code of the last Run command (return value)$-Flag at a glance using the SET command$*

' (length=45) requireBASEDIR. ' /‘.Str_replace(‘\\‘, ‘/‘,$class).‘. Php; }}common/object.php:phpnamespace Common; class Object { staticfunction Test () { echo__method__, ' ; }} // there must be no executable statement other than the object classapp/controller/home/index.php:phpnamespace app\controller\home; class index{ staticfunction Test () { echo__method__, ' ; }}When you run the Portal file index.php, ap

The meaning of shell variable $#,[email protected],$0,$1,$2 in Linux is explained:Variable Description:$$The PID of the shell itself (ProcessID)$!PID of the Shell's last running background process$?End code of the last Run command (return value)$-Flag at a glance using the SET command$*All parameter lists. such as "$*" in the Case of "" ", in the form of" $ $ ...

let's start by writing a simple script that will explain the meaning of each variable after execution .# Touch Variable# VI VariableThe script reads as follows:#!/bin/shecho "number:$#"echo "Scname:$0"echo "First: $ $"echo "Second:$2"echo "Argume:[email protected]"echo "Show Parm list:$*"echo "Show Process id:$$"echo "Show Precomm stat: $?"Save Exitassigning script Execution Permissions# chmod +x variableEx

Variable Description: $$the PID of the shell itself (ProcessID) $!PID of the Shell's last running background process $?end code of the last Run command (return value) $-flag at a glance using the SET command $*all parameter lists.such as "$*" in the Case of "" ", in the form of" $ $ ... $n "output all parameters. [email protected]all parameter lists. such as "[email protected]" with "" "in the case, with" $ "" $ "...All parameters are output in the fo

Thank You-this worked for me just now–mixedmath Sep 1 ' + at 5:56 Show2More comments Up vote 2 down vote I Think to Install:ia32 LibraryYou can test the This command:apt-get install ia32-libs ShareImprove this answer answered Dec ' at 23:00 Dardar SAAD12318

???? Producer-name = Inits???? Producer-name = Initt???? Producer-name = Initu????`` Plugin = Eosio::p roducer_plugin plugin = Eosio::wallet_api_plugin '-Load RPC and API plug-ins to access EOS services through both interfaces???????? Plugin = Eosio::chain_api_plugin???? Plugin = Eosio::http_plugin????Run again? eosiod ? command, when you see the following log, it means that you have successfully started the EOS service.1575001ms thread-

Can't connect to local MySQL server through socket '/var/run/mysqld. sock' (2), mysqldmysqld. sock I encountered a small problem connecting to the mysql database on ubuntu today. Can't connect to local MySQL server through socket '/var/run/mysqld. sock' (2) It can also be used for the first time. Suddenly it's not good

There was a small problem connecting to the MySQL database on Ubuntu today.Can ' t connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock ' (2)The first use can also be used, suddenly it is not good, do not know whether it is not medicine,Check the database status first:[Email protected]:~$ sudo/etc/init.d/mysql Status(Because I'm using a normal user, so I want to sudo a bit)1. If it appe