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copied!<p>To complete your own answer, the syntax is indeed</p> <pre><code>git show object git show $REV:$FILE git show somebranch:from/the/root/myfile.txt git show HEAD^^^:test/test.py </code></pre> <p>The command takes the usual style of revision, meaning you can use any of the following:</p> <ol> <li>branch name (as <a href="https://stackoverflow.com/review/suggested-edits/3041393">suggested</a> by <a href="https://stackoverflow.com/users/17708/ash">ash</a>)</li> <li><code>HEAD</code> + x number of <code>^</code> characters</li> <li>The SHA1 hash of a given revision</li> <li>The first few (maybe 5) characters of a given SHA1 hash</li> </ol> <p><strong>Tip</strong> It's important to remember that when using "<code>git show</code>", <strong>always specify a path from the root of the repository</strong>, not your current directory position. </p> <p>(Although <a href="https://stackoverflow.com/users/179675/mike-morearty">Mike Morearty</a> mentions that, at least with git 1.7.5.4, you can specify a relative path by putting "<code>./</code>" at the beginning of the path -- for example:</p> <pre><code>git show HEAD^^:./test.py </code></pre> <p>)</p> <hr> <p>Before git1.5.x, that was done with some plumbing:</p> <p><code>git ls-tree <rev></code><br> show a list of one or more 'blob' objects within a commit</p> <p><code>git cat-file blob <file-SHA1></code><br> cat a file as it has been committed within a specific revision (similar to svn cat). use git ls-tree to retrieve the value of a given file-sha1 </p> <pre><code>git cat-file -p $(git-ls-tree $REV $file | cut -d " " -f 3 | cut -f 1):: </code></pre> <p>git-ls-tree lists the object ID for $file in revision $REV, this is cut out of the output and used as an argument to git-cat-file, which should really be called git-cat-object, and simply dumps that object to stdout.</p> <hr> <p>Note: since Git 2.11 (Q4 2016), you can apply a content filter to the <code>git cat-file</code> output!</p> <p>See <a href="https://github.com/git/git/commit/321459439e19517c412cab1cfbb64a2749f272c9" rel="noreferrer">commit 3214594</a>, <a href="https://github.com/git/git/commit/7bcf341453572a227036afec76bdab451b798870" rel="noreferrer">commit 7bcf341</a> (09 Sep 2016), <a href="https://github.com/git/git/commit/7bcf341453572a227036afec76bdab451b798870" rel="noreferrer">commit 7bcf341</a> (09 Sep 2016), and <a href="https://github.com/git/git/commit/b9e62f60115c75c5be5de593862925c8b8d7e683" rel="noreferrer">commit b9e62f6</a>, <a href="https://github.com/git/git/commit/16dcc2992b80d30f99c41fd7cc858e9d1c9dbca3" rel="noreferrer">commit 16dcc29</a> (24 Aug 2016) by <a href="https://github.com/dscho" rel="noreferrer">Johannes Schindelin (<code>dscho</code>)</a>.<br> <sup>(Merged by <a href="https://github.com/gitster" rel="noreferrer">Junio C Hamano -- <code>gitster</code> --</a> in <a href="https://github.com/git/git/commit/7889ed25ac709624446b0b4d887dd3633e81f44a" rel="noreferrer">commit 7889ed2</a>, 21 Sep 2016)</sup> </p> <blockquote> <h2><code>cat-file</code>: support <code>--textconv</code>/<code>--filters</code> in batch mode</h2> <p>Even though "<a href="https://git-scm.com/docs/git-hash-object" rel="noreferrer"><code>git hash-objects</code></a>", which is a tool to take an on-filesystem data stream and put it into the Git object store, allowed to perform the "outside-world-to-Git" conversions (e.g. end-of-line conversions and application of the clean-filter), and it had the feature on by default from very early days, its reverse operation "<a href="https://git-scm.com/docs/git-cat-file" rel="noreferrer"><code>git cat-file</code></a>", which takes an object from the Git object store and externalize for the consumption by the outside world, lacked an equivalent mechanism to run the "Git-to-outside-world"</p> </blockquote> <pre><code>git config diff.txt.textconv "tr A-Za-z N-ZA-Mn-za-m <" git cat-file --textconv --batch </code></pre> <p>Note: "<code>git cat-file --textconv</code>" started segfaulting recently (2017), which has been corrected in Git 2.15 (Q4 2017)</p> <p>See <a href="https://github.com/git/git/commit/cc0ea7c9e5c3d3bf9623415737b595c9d26b9b6d" rel="noreferrer">commit cc0ea7c</a> (21 Sep 2017) by <a href="https://github.com/peff" rel="noreferrer">Jeff King (<code>peff</code>)</a>.<br> <sup>(Merged by <a href="https://github.com/gitster" rel="noreferrer">Junio C Hamano -- <code>gitster</code> --</a> in <a href="https://github.com/git/git/commit/bfbc2fccfdff0fe189337de67e16fc132b8ee2a5" rel="noreferrer">commit bfbc2fc</a>, 28 Sep 2017)</sup> </p>

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