I want to mass-edit a ton of files that are returned in a grep. (I know, I should get better at sed).
I have a C file which I copied from somewhere else, but it has a lot of commentslike below: int matrix[20];
I am issuing a sed replace on a line, trying to extract a particular floating-point value, but all that appears to be matched is the right-side of the decimal
I\'m guessing this has to be an escaping issue, but I can\'t find it. What\'s most frustrating is that this is based on an old se开发者_JAVA百科d script I used that worked, so why can\'t I make it wor
I have a string in the file \"abc def ghi \" klm \"ghi \"; I want to escape all occurrences of \" in开发者_JAVA技巧 the string , output of the result
I have managed to put text in afile by separating them by blank lines. I am trying to keep only those paragraphs that have a particular string. Though the Sed FAQ mentions a solution it does not work
How can I make sed filter matching lines according to some expression, but ignore non-matching lines, instead of letting them print?
I am aware of another question that is quite similar, but for some reason I\'m still having problems.
I have some files that I\'d like to delete the last newline if it is the last character in a file.od -c shows me that the command I run does write the file with a trailing new line:
I have an input file say, such as: a=1 b=2 c=3 d=4 a=2 b=3 a=0 c=7 a=3 b=9 c=0 d=5 a=4 d=1 c=9 Assume that the order of column names (a,b, c and d) remains the same. How do I write a script/ comman
加载中,请稍侯......