I have a input file like foo xxx yyy zzz foo xxx yyy zzz foo xxx yyy zzz foo xxx yyy zzz bar xxx yyy zzz bar xxx yyy zzz foo xxx yyy zzz .. How to split the input file by line, into foo.txt ...
I can use sed to do recursively find and replace a string in a bunch of files. Like so: find -name "*.py" -not \( -name .svn -prune \) -type f -print0 | xargs -0 sed -i 's/cat/dog/g' However is ...
How do I remove empty/blank (including spaces only) lines in a file in Unix/Linux using the command line ? contents of file.txt Line:Text 1:<blank> 2:AAA 3:<blank> 4:BBB 5:<blank> ...
I would like to perform the following operation: Given a file like this: update FOO set STATUS="X" where ID=<REPLACE>; insert into BAR (Z,W) values(<REPLACE>, 42); And a file like ...
I guess everyone knows the useful Linux cmd line utilities head and tail. Head allows you to print the first X lines of a file, tail does the same but prints the end of the file. What is a good ...