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Add up a column of numbers at the Unix shell
Given a list of files in files.txt , I can get a list of their sizes like this:
20 Answers
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“#include” a text file in a C program as a char[]
...ar[] created by xxd isn't NULL-terminated! so I do $ xxd -i < file.txt > file.xxd $ echo ', 0' >> file.xxd and in the main.c char file_content[] = { #include "file.xxd" };
– ZeD
Jan 4 '09 at 16:10
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Deleting lines from one file which are in another file
...t[tolower($0)]=1; next } { if (! list[tolower($0)]) print }' exclude-these.txt from-this.txt
The output will be in the same order as the "from-this.txt" file. The tolower() function makes it case-insensitive, if you need that.
The algorithmic complexity will probably be O(n) (exclude-these.txt s...
What are the differences among grep, awk & sed? [duplicate]
...ition:
grep: search for specific terms in a file
#usage
$ grep This file.txt
Every line containing "This"
Every line containing "This"
Every line containing "This"
Every line containing "This"
$ cat file.txt
Every line containing "This"
Every line containing "This"
Every line containing "That"
Ev...
How to merge two files line by line in Bash
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You can use paste:
paste file1.txt file2.txt > fileresults.txt
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10 条真心有趣的 Linux 命令 - 创意 - 清泛网 - 专注C/C++及内核技术
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5.asciiquarium
这个命令会将你的终端变成一个海洋馆。
下载term animator：
# wget http://search.cpan.org/CPAN/authors/id/K/KB/KBAUCOM/Term-Animation-2.4.tar.gz
安装并且配置这个包：
# tar -zxvf Term-Animation-2.4.tar.gz
# cd Term-Animation-2.4/
# perl Makefile...
VS2012警告未能加载包“Visual C++ package” - C/C++ - 清泛网 - 专注C/C++及内核技术
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解决方法：
到微软官网下载VS2012更新 KB2781514，大...
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1.-----------------------CreatePr...
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MFC 菜单背景色设置（菜单重绘）先上效果图：源码下载（来自CSDN，感谢原作者）：QTOOLS.rar简单解析下：最终是通过CMenu菜单的OnDrawItem()函数中重新绘制菜单项，填充背...先上效果图：
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