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ASCII Cheat Sheet 7 Aug 2013 | 07:40 pm

I created an ASCII cheat sheet from the table that I used in my blog post about my favorite regular expression. I know there are a billion ASCII cheat sheets out there but I wanted my own. This cheat ...

Six Years of Blogging 25 Jul 2013 | 01:25 am

Hey everyone! Another year has passed and it's been 6 years since I've been blogging here on catonmat! In this post I wish to summarize this year's statistics. See the one year of blogging, two years...

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Save time with AWK print freesoftwaremagazine.com 30 May 2013 | 12:10 pm

Since discovering AWK last year I've been using it regularly with tables of data. It seems like everything I do with those tables is faster and easier with AWK on the command line than the same jobs w...

Finding out the common lines in two files using 4 fields with the help of awk and UNIX unix.com 27 Aug 2013 | 02:34 pm

Dear All, I have 2 files. If field 1, 2, 4 and 5 matches in both file1 and file2, I want to print the whole line of file1 and file2 one after another in my output file. File1: Code: sc2/80        ...

Prudent Picks: Bank holiday beauty treats, good value hotel breaks and frugal fashion prudence.ie 2 Aug 2012 | 06:14 pm

Fashion Littlewoods Ireland has launched its new line by Myleene Klass. Designed for real women, Myleene’s new range embraces femininity with suits, vintage-style skirts and quirky prints. As a workin...

TonerGreen expands product line with Lexmark toner cartridges linkwin.biz 13 Aug 2012 | 12:19 pm

US cartridge retailer adds remanufactured Lexmark toner cartridges to product range. To promote environment-conscious printing, TonerGreen offers remanufactured toner, ink cartridges and other consuma...

Linux删除重复行 xiaofeng1982.blog.163.com 13 May 2013 | 07:55 pm

文本处理时,经常要删除重复行,下面是三种方法 第一,用sort+uniq,注意,单纯uniq是不行的。 sort -n test.txt | uniq 第二,用sort+awk命令,注意,单纯awk同样不行,原因同上。 sort -n $file | awk '{if($0!=line)print; line=$0}' 第三,用sort+sed命令,同样需要sort命令先排序。 sor...

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