Kerning You’re doing two different things here: Find the width of a long text. Find the width of all the characters, and blindly adding them together If you were using a monospace font, things might be different, but fonts generally use something called kerning to make the text smoother and a bit tighter. Wikipedia says: … Read more
The with statement is excellent for automatically opening and closing files. with open(‘myfile’,’r+’) as file: for line in file: if not line.isspace(): file.write(line)
git log –oneline –pretty=”@%h” –stat |grep -v \| | tr “\n” ” ” | tr “@” “\n” This will show something like this: a596f1e 1 file changed, 6 insertions(+), 3 deletions(-) 4a9a4a1 1 file changed, 6 deletions(-) b8325fd 1 file changed, 65 insertions(+), 4 deletions(-) 968ef81 1 file changed, 4 insertions(+), 5 deletions(-)
tr -d ‘\n’ < key.txt Found on http://linux.dsplabs.com.au/rmnl-remove-new-line-characters-tr-awk-perl-sed-c-cpp-bash-python-xargs-ghc-ghci-haskell-sam-ssam-p65/
In VIM: :g!/^[+-]/d Here is the English translation: globally do something to all lines that do NOT! match the regular expression: start of line^ followed by either + or -, and that something to do is to delete those lines.
M-0 C-x e to repeat last macro until an error happens (after the final line, either C-s = or C-n will be an error). You may hear an annoying beep.
Before anything, try to preserve the info about “boundaries” which comes in the input text. (if such info has not readily be lost, your question implies that maybe the tokenization has readily been done) During the tokenization (word parsing, in this case) process, look for patterns that may define expression boundaries (such as punctuation, particularly … Read more
You can use sed to solve this: sed “15i avatar” Makefile.txt or use the -i option to save the changes made to the file. sed -i “15i avatar” Makefile.txt To change all the files beginning that start Makefile: sed “15i avatar” Makefile* Note: In the above 15 is your line of interest to place the … Read more
The command you quote, ironically enough does exactly what you describe. Test it! echo “hello” > a echo “bye” > b grep -iL BYE a b Says a only. I think you may be confusing -L and -l find . -print | xargs grep -iL “somestring” is the inverse of find . -print | xargs … Read more