UNIX Shell Script
出自KMU Wiki
(修訂版本間差異)
| 在2008年5月6日 (二) 19:20所做的修訂版本 (編輯) Cch (對話 | 貢獻) ←上一個 |
當前修訂版本 (2008年5月7日 (三) 22:05) (編輯) (撤銷) Cch (對話 | 貢獻) |
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| (4個中途的修訂版本沒有顯示。) | |||
| 第1行: | 第1行: | ||
| - | == | + | === 動機 === |
| + | |||
| + | 為什麼要學 Shell Script | ||
| + | |||
| + | * automatic (自動化) | ||
| + | * batch (批次) | ||
| === Variable === | === Variable === | ||
| - | + | ||
| - | + | YOURVAR=some | |
| + | MYVAR=thing | ||
| + | echo $YOURVAR | ||
| + | echo ${YOURVAR}${MYVAR} | ||
| === Flow control === | === Flow control === | ||
| - | + | ||
| - | echo "your_file exists | + | if [ -f your_file ]; then |
| - | + | echo "your_file exists" | |
| - | + | else | |
| - | + | echo "your_file not exists" | |
| - | for f in a b c | + | fi |
| - | do | + | |
| - | + | for f in a b c | |
| - | done | + | do |
| - | + | echo $f | |
| + | done | ||
| + | |||
| === Sub Program === | === Sub Program === | ||
| - | + | ||
| - | sub() | + | sub() |
| - | { | + | { |
| echo $1 $2 $3 | echo $1 $2 $3 | ||
| - | } | + | } |
| - | sub X Y Z | + | sub X Y Z |
| - | + | ||
| === Examples === | === Examples === | ||
| - | + | ||
| - | #!/bin/sh | + | #!/bin/sh |
| - | exec <$1 | + | exec < $1 |
| - | while read line | + | while read line |
| - | do | + | do |
| - | + | echo $line | |
| - | done | + | done |
| - | + | ||
| - | == | + | === 學習資源 === |
| + | |||
| + | [http://www.mgt.ncu.edu.tw/~dino/script/ http://www.mgt.ncu.edu.tw/~dino/script/] | ||
當前修訂版本
目錄 |
[編輯] 動機
為什麼要學 Shell Script
- automatic (自動化)
- batch (批次)
[編輯] Variable
YOURVAR=some
MYVAR=thing
echo $YOURVAR
echo ${YOURVAR}${MYVAR}
[編輯] Flow control
if [ -f your_file ]; then
echo "your_file exists"
else
echo "your_file not exists"
fi
for f in a b c
do
echo $f
done
[編輯] Sub Program
sub()
{
echo $1 $2 $3
}
sub X Y Z
[編輯] Examples
#!/bin/sh
exec < $1
while read line
do
echo $line
done
