I had a change a volume name and I h开发者_StackOverflow中文版ave dozens of (now broken) symlinks (at least) throughout my system.
I am new to python开发者_JS百科 and trying to learn. I am trying to implement a simple recursive grep using python for processing and here is what I came to so far.
Suppose there is a large text file and I would lik开发者_开发技巧e to print only the lines that do not match some patterns. Obviously, I can use egrep -v \'patter1|pattern2|pattern3. Now what if all t
Given the following file: this is some words and this one too<div> <html></html> and more words 123
I want to cut the characters n-N of a line, but ONLY if the line begins with certain characters, otherwise I want to print the whole line.
Here is my problem. To get a list of directory where the file GC.xml is: EXBRANDS=find /var/www/html/ -maxdepth 3 -name \"GC.xml\" -type f | awk -F \'/\' \'{print $5}\';
I\'m trying to scan an error log for lines with 503 errors, 开发者_运维百科so I\'m grepping for \" 503 (quote space 503).
given a base directory I would like to recursively list down all the header files under all directories below it
I have a file that possibly contains bad formatting (in this case, the occurrence of the pattern \\\\backslash). I would like to use grep to return only the line numbers where this occurs (as in, the
according to the manual for grep, -l, --files-with-matches Suppress normal output; instead print thenameofeachinput
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