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Sort a text file by line length including spaces
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Answer
cat testfile | awk '{ print length, $0 }' | sort -n -s | cut -d" " -f2-
Or, to do your original (perhaps unintentional) sub-sorting of any equal-length lines:
cat testfile | awk '{ print length, $0 }' | sort -n | cut -d" " -f2-
In both cases, we have solved...
Save modifications in place with awk
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150
In GNU Awk 4.1.0 (released 2013) and later, it has the option of "inplace" file editing:
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Does Qt support virtual pure slots?
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answered Jun 8 '10 at 14:43
ianmac45ianmac45
2,12822 gold badges1818 silver badges1313 bronze badges
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Where do gems install?
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edited Dec 13 '16 at 20:01
Avi Flax
45.1k99 gold badges4141 silver badges6161 bronze badges
answered...
Extracting Nupkg files using command line
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106
You can also use the NuGet command line, by specifying a local host as part of an install. For ...
Run Cron job every N minutes plus offset
*/20 * * * *
3 Answers
3
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Underscore: sortBy() based on multiple attributes
...dArray = _(patients).chain().sortBy(function(patient) {
return patient[0].name;
}).sortBy(function(patient) {
return patient[0].roomNumber;
}).value();
When the second sortBy finds that John and Lisa have the same room number it will keep them in the order it found them, which the first so...
List View Filter Android
...s);
}
@Override
public void beforeTextChanged(CharSequence arg0, int arg1, int arg2, int arg3) { }
@Override
public void afterTextChanged(Editable arg0) {}
});
The basic here is to add an OnTextChangeListener to your edit text and inside its callback method apply filter to yo...
C++ templates Turing-complete?
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110
Example
#include <iostream>
template <int N> struct Factorial
{
enum { val = F...
How to differentiate between time to live and time to idle in ehcache
...idated if it hasn't been requested for 4 seconds.
If timeToLiveSeconds = 90, then the object will be removed from cache after 90 seconds, even if it has been requested few milliseconds in the 90th second of its short life.
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