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Remove a fixed prefix/suffix from a string in Bash
...ed two times is not necessary (you can -e 's///' -e '///' instead) and the pipe could also be avoided. For example, consider string='./ *' and/or prefix='./' and see it break horribly due to 1) and 2).
– Adrian Frühwirth
May 19 '14 at 6:59
...
Execute combine multiple Linux commands in one line
...
To run them all at once, you can use the pipe line key "|" like so:
$ cd /my_folder | rm *.jar | svn co path to repo | mvn compile package install
share
|
improv...
Emacs on Mac OS X Leopard key bindings
...ta key' does work, but this result in me not being able to type braces and pipes '[]{}|' etc since they are on Option-7 and option now... well maps to meta. Any ideas?
– Martin Wickman
Oct 6 '09 at 15:15
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Chrome sendrequest error: TypeError: Converting circular structure to JSON
...": 0,
"chunks": [],
"writable": true,
"readable": false,
"_events": {
"pipe": [null, null],
"error": [null]
},
"before": [null],
"after": [],
"response": {
"output": [],
"outputEncodings": [],
"writable": true,
"_last": false,
"chunkedEncoding": false,
"shouldKeepAliv...
What's the best way to unit test protected & private methods in Ruby?
...
I'm sure somebody will pipe up and
dogmatically assert that "you should
only unit test public methods; if it
needs unit testing, it shouldn't be a
protected or private method", but I'm
not really interested in debating
that.
You could...
Script to get the HTTP status code of a list of urls?
... the need to redirect to stdin.
The output sent to standard input, we can pipe it to awk to extract the HTTP status code. That code is :
the second ($2) non-blank group of characters: {$2}
on the very first line of the header: NR==1
And because we want to print it... {print $2}.
wget --server-...
How to assign a Git SHA1's to a file without Git?
As I understand it when Git assigns a SHA1 hash to a file this SHA1 is unique to the file based on its contents.
12 Answer...
Markdown and image alignment
...
I like to be super lazy by using tables to align images with the vertical pipe (|) syntax. This is supported by some Markdown flavours (and is also supported by Textile if that floats your boat):
| I am text to the left |  |
or
|  | I am text t...
How do I specify new lines on Python, when writing on files?
...print without any arguments, it will output a blank line.
print
You can pipe the output to a file like this (considering your example):
f = open('out.txt', 'w')
print 'First line' >> f
print >> f
print 'Second line' >> f
f.close()
Not only is it OS-agnostic (without even havi...
Portable way to get file size (in bytes) in shell?
...
If I'm not mistaken, though, wc in a pipeline must read() the entire stream to count the bytes. The ls/awk solutions (and similar) use a system call to get the size, which should be linear time (versus O(size))
– jmtd
May ...