#!/bin/bash
a=23
echo ‘$a’
echo “$a”
your_name=’runoob’
str=”Hello, I know you are \”$your_name\ “! \n”
echo -e $str
echo $str Output
bogon:Desktop macname$ ./test.sh
$a
23
Hello
Tag: and
Bash scripting “[!: Not found” error, and how to write or declare
Edit:
This is my updated code:
#!/bin/sh
files=`ls`
if [$# -ne 1 -o -f $1 ]
then
echo “Usage: $0 ”
exit 1
fi
if [! -e $1 ]
then
echo “$1 not found”
exit 1
elif [-d $1 ]then
cd $1
for f
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Execute query SQL< /p> mysql>show variables like ‘%dir%’;
datadir is the data path
The running path is determined, and the impo
Spotlight on mysql – Installation and Introduction
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First step: download and install mysql-connector-3.5x
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1, downlo
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First introduce the maven dependency: this is the dependency that needs to be introduced when reverse engineering when integrating mybatisplus
com.baomidou
mybatis-plus-boot-starter
2.3
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http://blog.csdn.net/tomorrow_c/article/details/62240383
Key inverted search of index
http://blog.csdn.net/hguisu/article/details/7962350
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