isql command in unix shell script

Linux Command Line and shell script programming Daquan graphic desktop Script Programming create text menu create menu layout [plain] #! /Bin/bash clear # clear screen echo-e "\ t \ tMenu" echo-e "1. \ tDisplay disk space "echo-e" 2. \ tDisplay logged on user "echo-e" 3. \ tDisplay memory usage "echo-e" 0. \ tExit menu

Terminal printing A terminal is an interactive tool through which users can interact with the shell environment. Printing text in a terminal is a basic task that most shell scripts and tools need to perform on a daily basis. Through the terminal printing, people can know the running state of the system, which is critical to the user. echo Terminal printing Copy Code code as follows: echo

jcpu PCPU whatroot pts/0 172.16.111.1 10:49 4.00s 0.04s 0.01s w+ ls01.sh# Check for script syntax error [[EMAILNBSP ;p rotected] shell]# bash-n 01.sh [[emailprotected] shell]#/root/shell/01.sh 123 11:23:45 up min, 1 user, lo Ad average:0.05, 0.05, 0.06USER TTY from [emailprotected] IDLE jcpu PCPU whatroot PT s/0 172.1

ECHO is an internal instruction of the shell to print out the specified string on the screen. Command format: Copy Code code as follows: Echo Arg You can use echo to achieve more complex output format control. Show escape characters Copy Code code as follows: echo "\" It is a test\ "" The result will be:"It is a test" Double quotes can also be omitted. Show

Name: satool PS: it can be called a "Silly Rabbit" by a colleague ") Function: This script can run commands in batches, copy files, and perform simple logon. You can quickly log on without remembering the specific IP address of the application server. Note: batch management can be performed by group, with a single thread. It is not applicable to the problem that hundreds of devices in each group can be used, that is, the duration of waiting for the re

Write this blog before, I Google a bunch of related articles, mostly said to modify/etc/sudoers, and then nopasswd: designated CMD, but really no use, no remote virtual terminal This method is cloud, ubuntu10.04 Server Pro-Test!! Remote operation with SSHcommand format Copy Code code as follows: Ssh-p $port $user @ $p ' cmd ' $port: SSH Connection port number $user: SSH connection user name $IP: IP address for SSH connection CMD: What the remote server needs to do

control (%), format-string can be reused and all parameters can be converted. Arguments use spaces separated by commas. Take a look at the following example: # format-string is double quotes $ printf "%d%s\ n" 1 "abc" 1 ABC # single quotes are the same as double quotes $ printf '%d%s\ n' 1 "abc" 1 ABC # No quotation marks can also be output $ printf %s abcdef ABCdef # The format specifies only one parameter, but the extra parameter is still output in th

In general, you may need to switch the root user to another user for execution during the automation process, such as: OralceHowever, the execution of the command will return to the root user, continue to execute other commands under the root user.You need to know the parameters of the SU command-C or-sLike what:# su-oracle-c "PWD"/home/oracleOrSu-oracle-s/bin/sh test.shThe relevant commands in the test.sh

Http:// OS .51cto.com/art/200910/158857.htm This article describes the basic knowledge of Linux script shell commands in detail, including: 1, 2, comment, 3, variable 4, environment variable, 5, Linux script shell commands, and process control. Before giving you a detailed introduction to Linux compilation, let's f

1. For command (1) syntax for Val in list; Do commands doneThe list parameter provides some values for the iteration, and the Val value is assigned to the value in list, knowing that the list polling ends.Commands can be one or more shell commands, echo $val can view the value of the current loop (2) Read the value in the list $cat Test #!/bin/bash # Basic for

This paper mainly introduces several command modules of ansible, including: command-Execute commands on the remote node shell-Let the remote host execute the command under the shell process script-Executes the loc

[SED Introduction:] Sed is a good file processing tool, which itself is a pipe command, with the Behavior unit processing, can be used to add, select, replace, delete data rows and other operations. SED command line format: sed [-nefri] ' range command ' file such as: sed ' 2d ' aaa.txt # Delete file Aaa.txt second line [sed workflow:] When using Vim as a sc

First script file Copy Code code as follows: #!/bin/bash echo "This are my I-A-bash code!" Exit 0 redirect Symbols and mathematical calculations Copy Code code as follows: #!/bin/bash Echo-n "The time and date are:" Date value1=100 #等号前后不允许出现空格 value2= $value 1 Echo-n "Value1=" echo $value 1 Echo-n "Value2=" Echo $value 2 Ls-l | Sort > OUT.txt #管道符号 (|) and redirect Output symbols > Ls-l >>

Linux Command Line and shell script Programming This time, I read the Linux Command Line and shell script programming book for 3rd Times. In general, this book is quite good. It is suitable for beginners. I also learned about

[awk Introduction:] Awk can get part of the content from a single text, or typesetting the text so that it prints in some format. [awk Workflow:] Awk goes into memory with one line of the file, and then segments the line (by default, by Space or tab, $, $, $ ...). Then delete, and then read the second line of content to memory ... Format: This line of awk ' {/pattern/command1; command2.} ' File # matching pattern executes the command For example:

Tag: System replace does not have ls-l buffer null shell anonymous pipe limitReprinted from http://blog.csdn.net/hjxhjh/article/details/79095181. PrefaceThe Unix world has a famous saying: "A line of shell script is better than Mangyo C program", although this sentence is somewhat exaggerated, but it is undeniable that

Tag: Date command displays case false cmd put who bar inputShell Exercise: Write a script to do the following: Enter a number, and then run the corresponding command. The command is displayed as follows: *cmd meau** 1--date 2--ls 3--who 4--pwd When input 1 o'clock, the date command