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How do I rename an open file in Emacs?
...ed Aug 8 '14 at 21:15
The Unfun CatThe Unfun Cat
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Select random lines from a file
... sort actually sorts identical lines together, so if you may have duplicate lines and you have shuf (a gnu tool) installed, it's better to use it for this.
– Kevin
Feb 12 '12 at 3:59
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Strengths of Shell Scripting compared to Python [closed]
...r of features that accrete into "shell"; not it's essential role, but it's catch-all for features. B) The python interpreter is a proper unix shell, it uses #!. C) A "simple" shell if statement often involves running the test program. The shell is a crummy programming language in all respects.
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git: How to ignore all present untracked files?
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A handy way of editing the .gitignore being git status | cat >> temp && vim temp. Then editing the file so the first few lines and last line is deleted, as well as trailing # and the whitespace after it. Then cat temp >> .gitignore && rm temp. In case no...
Remove specific commit
... a context diff, which is 3. So if 'myfile' was constructed like this:
$ cat >myfile <<EOF
line 1
junk
junk
junk
junk
line 2
junk
junk
junk
junk
line 3
EOF
$ git add myfile
$ git commit -m "initial check-in"
1 files changed, 11 insertions(+), 0 deletions(-)
create mode 100644 myfile
$ ...
Why is my git repository so big?
... sed -n $(git rev-list --objects --all | \
cut -f1 -d' ' | \
git cat-file --batch-check | \
grep blob | \
sort -n -k 3 | \
tail -n40 | \
while read hash type size; do
echo -n "-e s/$hash/$size/p ";
done) | \
sort -n -k1
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89076 images/screenshots/pro...
Increasing the maximum number of TCP/IP connections in Linux
... this does not conflict with the protocols that you would use for the application that needs these sockets. Make sure to read post "Coping with the TCP TIME-WAIT" from Vincent Bernat to understand the implications. The net.ipv4.tcp_tw_recycle option is quite problematic for public-facing servers as ...
read.csv warning 'EOF within quoted string' prevents complete reading of file
...Archaeological Inference and Inductive Confirmation\t" "Sound and Sense in Cath Almaine\t" "Oak Galls Preserved by the Eruption of Mount Vesuvius in A.D. 79_ and Their Probable Use\t" "The Arts Four Thousand Years Ago\t" ...
## $ title : chr "Bruce D. Smith\t" "Tomás Ó Cathasaigh\t" "Hira...
Create a tar.xz in one command
...p2 > some-dir.tar.bz2
Decompressing is also quite straightforward:
xzcat tarball.tar.xz | tar x
bzcat tarball.tar.bz2 | tar x
zcat tarball.tar.gz | tar x
If you have only tar archive, you can use cat:
cat archive.tar | tar x
If you need to list the files only, use tar t.
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How to rsync only a specific list of files?
..., putting them directly on the command line instead:
# rsync -avP -e ssh `cat deploy/rsync_include.txt` root@0.0.0.0:/var/www/
This is assuming, however, that your list isn't so long that the command line length will be a problem and that the rsync_include.txt file contains just real paths (i.e. ...