Count number of lines in a git repository

Question

How would I count the total number of lines present in all the files in a git repository   git ls-files gives me a list of files tracked by git   I m looking for a command to cat all those files  Something like  git ls-files    cat all these files    wc -l

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I ve encountered batching problems with git ls-files   xargs wc -l when dealing with large numbers of files  where the line counts will get chunked out into multiple total lines   Taking a tip from question Why does the wc utility generate multiple lines with  quot total quot    I ve found the following command to bypass the issue   wc -l   git ls-files   Or if you want to only examine some files  e g  code   wc -l   git ls-files   grep      cs

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I did this   git ls-files   xargs file   grep  ASCII    cut -d   -f 1   xargs wc -l   this works if you count all text files in the repository as the files of interest  If some are considered documentation  etc  an exclusion filter can be added

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The best solution  to me anyway  is buried in the comments of  ephemient s answer  I am just pulling it up here so that it doesn t go unnoticed  The credit for this should go to  FRoZeN  and  ephemient    git diff --shortstat  git hash-object -t tree  dev null    returns the total of files and lines in the working directory of a repo  without any additional noise  As a bonus  only the source code is counted - binary files are excluded from the tally    The command above works on Linux and OS X  The cross-platform version of it is  git diff --shortstat 4b825dc642cb6eb9a060e54bf8d69288fbee4904   That works on Windows  too   For the record  the options for excluding blank lines    -w --ignore-all-space   -b --ignore-space-change   --ignore-blank-lines   --ignore-space-at-eol   don t have any effect when used with --shortstat  Blank lines are counted

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This works as of cloc 1 68   cloc --vcs git

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xargs will do what you want   git ls-files   xargs cat   wc -l   But with more information and probably better  you can do   git ls-files   xargs wc -l

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The answer by Carl Norum assumes there are no files with spaces  one of the characters of IFS with the others being tab and newline  The solution would be to terminate the line with a NULL byte   git ls-files -z   xargs -0 cat   wc -l

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git mktree   git diff --shortstat --stdin   Or   git ls-tree     sed  1i      git mktree --batch   xargs   git diff-tree --shortstat --stdin

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This tool on github https   github com flosse sloc can give the output in more descriptive way  It will Create stats of your source code    physical lines  lines of code  source  lines with comments single-line comments lines with block comments lines mixed up with source and comments empty lines

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Try   find   -type f -name       -exec wc -l         on the directory directories in question

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If you want this count because you want to get an idea of the project   s scope  you may prefer the output of CLOC     Count Lines of Code      which gives you a breakdown of significant and insignificant lines of code by language   cloc   git ls-files     This line is equivalent to git ls-files   xargs cloc  It uses sh   s     command substitution feature    Sample output         20 text files        20 unique files                                       6 files ignored   http   cloc sourceforge net v 1 62  T 0 22 s  62 5 files s  2771 2 lines s  ------------------------------------------------------------------------------- Language                     files          blank        comment           code ------------------------------------------------------------------------------- Javascript                       2             13            111            309 JSON                             3              0              0             58 HTML                             2              7             12             50 Handlebars                       2              0              0             37 CoffeeScript                     4              1              4             12 SASS                             1              1              1              5 ------------------------------------------------------------------------------- SUM                             14             22            128            471 -------------------------------------------------------------------------------   You will have to install CLOC first  You can probably install cloc with your package manager     for example  brew install cloc with Homebrew   cloc   git ls-files  is often an improvement over cloc    For example  the above sample output with git ls-files reports 471 lines of code  For the same project  cloc   reports a whopping 456 279 lines  and takes six minutes to run   because it searches the dependencies in the Git-ignored node modules folder

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If you want to find the total number of non-empty lines  you could use AWK  git ls-files   xargs cat   awk    S  x    END print  quot Total number of non-empty lines  quot   x   This uses regex to count the lines containing a non-whitespace character

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Depending on whether or not you want to include binary files  there are two solutions    git grep --cached -al      xargs -P 4 cat   wc -l git grep --cached -Il      xargs -P 4 cat   wc -l       xargs -P 4  means it can read the files using four parallel processes  This can be really helpful if you are scanning very large repositories  Depending on capacity of the machine you may increase number of processes    -a  process binary files as text  Include Binary  -l     show only filenames instead of matching lines  Scan only non empty files  -I  don t match patterns in binary files  Exclude Binary  --cached  search in index instead of in the work tree  Include uncommitted files

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git diff --stat 4b825dc642cb6eb9a060e54bf8d69288fbee4904   This shows the differences from the empty tree to your current working tree   Which happens to count all lines in your current working tree   To get the numbers in your current working tree  do this   git diff --shortstat  git hash-object -t tree  dev null    It will give you a string like 1770 files changed  166776 insertions

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I was playing around with cmder  http   gooseberrycreative com cmder   and I wanted to count the lines of html css java and javascript  While some of the answers above worked  or pattern in grep didn t - I found here  https   unix stackexchange com questions 37313 how-do-i-grep-for-multiple-patterns  that I had to escape it  So this is what I use now   git ls-files   grep     html   css   js   java       xargs wc -l

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If you want to get the number of lines from a certain author  try the following code   git ls-files    java    xargs -I   git blame      grep   your name    wc -l

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I use the following   git grep     wc -l   This searches all files versioned by git for the regex    which represents the beginning of a line  so this command gives the total number of lines

[bash] Count number of lines in a git repository

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