如果我从这个错误启动脚本:
./Sinusbot.sh: line 276: unexpected EOF while looking for matching `)'
./Sinusbot.sh: line 305: syntax error: unexpected end of file
受影响脚本的一部分:
echo -e "$info Configuring instances"
if [ "$ydl" = "y" ] || [ "$ydl" = "Y" ]; then
c2="0&
我想用sed将…。中的内容替换为目标key=new_string
more /tmp/file
my.uri=http://[linux123]:8080
我们试试这个
key=new_string
sed s"/\[*\]/$key/g" /tmp/file
但文件没有更改
more file
my.uri=http://[linux123]:8080
我的苏醒怎么了?
预期结果应为(不带方括号)
more file
my.uri=http://new_string:8080
在这两个for语句中,我都得到了以下错误:
./count_files.sh: line 21: [: too many arguments
./count_files.sh: line 16: [: too many arguments.
有人能帮我吗?
#!/bin/bash
files=($(find /usr/src/linux-headers-3.13.0-34/include/ -type f -name '[aeiou][a-z0-9]*.h'))
count=0
headerfiles=($(find /usr/src/linux-headers-3.
案文如下:
We will now present the Linux ls command
... here description of ls
We will now present the Linux cd command
... here description of cd
... more description
Done
下面的sed替换正则表达式应用于文本。
sed 's/.*Linux \(.*\) .*/\1:/' ex2.txt
,它提供以下输出
ls:
... here description of ls
cd:
...
最近,我用这种regex测试编写了一个脚本:
# Works fine on Sabayon/Mac, doesn't work on CentOS
[[ $line =~ (.+)\{(.+)\} ]] || continue
它在Sabayon Linux和Mac上运行很顺利,但是我需要在其他环境下运行它,而脚本失败了。它是CentOS Linux。过了一段时间,我发现我需要避免出现双重反弹,才能让它发挥作用。
# Works fine on CentOS, does not on Sabayon/Mac
[[ $line =~ (.+)\\{(.+)\\} ]] || conti
#include <iostream>
using namespace std;
class C
{
public:
virtual string toString()
{
return "class C";
}
};
class B : public C
{
public:
string toString()
{
return "class B";
}
};
class A : public B
{
public:
string t
为什么python像这样对待字符串列表?
$ python
Python 2.6.6 (r266:84292, May 27 2013, 05:35:12)
[GCC 4.4.7 20120313 (Red Hat 4.4.7-3)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> x = ('sim')
>>> x[0]
's'
而可变的列表
在Debian上启动括号Sprint 40会抛出以下错误消息。
./brackets: /lib/x86_64-linux-gnu/libc.so.6: version `GLIBC_2.14' not found (required by ./brackets)
./brackets: /lib/x86_64-linux-gnu/libc.so.6: version `GLIBC_2.14' not found (required by /<dir>/Brackets.Sprint.40.64-bit/opt/brackets/lib/libcef.so)
./b
我将运行一个在代码中使用#include <linux/bootmem.h>的代码。当我在Linux中运行代码时,我得到以下错误
“fatal error: linux/bootmem.h: No such file or directory
#include <linux/bootmem.h>”
我怎样才能找到那个文件?我找了也找不到。
如果我找到了这个文件,我该如何使用它?将文件放在同一个目录中就足够了吗?
紧随其后
https://stackoverflow.com/questions/1809899/how-can-i-assign-the-output-of-a-function-to-a-variable-using-bash和如何将命令的输出分配给变量?
我写
function getos(){
# http://stackoverflow.com/a/27776822/1637673
case "$(uname -s)" in
Darwin)
OS='mac'
;;
Linu
我试过这个例子:loop = $(($loop + 1))
但是Linux Shell告诉我
./while_and_read.sh:第17行:循环:未找到命令
在Linux中,我应该如何使用循环vairable来增加每循环1次呢?
#!/bin/bash
echo "Please type a number which it should be greeter than 0."
read -p "Number:" -t 5 x
sum=0
loop=0
if [ $x -le 0 ];then
echo "Please type a