grep

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Grep penultimate line

Like the title says, how can I filter with grep (or similar bash tool) the line-before-the-last-line of a (variable length) file?[详细]

2023-04-10 21:24 分类：问答
Grep command being reversed by special character?

I am trying to write a bash script which will search through a txt file for a string from another txt file which is stored within a variable.However the string has a number of special characters in it[详细]

2023-04-10 18:20 分类：问答
Does grep allows search duplicates?

I have many (near 100) big csv files with sellID in first column. I know that some sellID are repeated 2 or more times in 2 or more files. Is possible with grep find a开发者_运维知识库ll this duplicat[详细]

2023-04-10 14:39 分类：问答
Is it possible to grab the last line of wget?

$ wget --output-document=/dev/null http://website.com/file.jpg Resolving speedtest.sea01.softlayer.com... 67.228.112.250[详细]

2023-04-09 21:27 分类：问答
'git grep' and word boundaries on Mac OS X and BSD

I run git grep \"\\<blah\\>\" regularly on my linux development server, but I just discovered that I am not able to use \\< and \\> on Mac (Mac OS X 10.6.8) (not able to use = it does not[详细]

2023-04-09 19:44 分类：问答
Searching for information in files in several directories

I need to check several files which are in different locations for a specific informat开发者_StackOverflowion.[详细]

2023-04-09 19:25 分类：问答
Suppress Non-Matching Lines in Grep [closed]

Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow.[详细]

2023-04-09 16:25 分类：问答
What is the most efficient way to subtract one list from another?

I am trying to subtract List_1 (50k lines) from List_2 (100k lines) , when an item in List_1 is an exact match for an item in List_2. I am using grep, specifically:[详细]

2023-04-09 10:12 分类：问答
Find every occurrence of a regex in a file

How can I list every occurrence of a regex in a file, where one line can contain the regex multiple times?[详细]

2023-04-08 12:33 分类：问答
Retrieving the last modified file in a directory over FTP using a bash script with curl

I\'m writing a bash script and one of the tasks which needs performing is to connec开发者_运维技巧t to an FTP server via curl and find the name of the last modified .zip file.[详细]

2023-04-08 12:01 分类：问答