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Getting the count of unique values in a column in bash
... see a frequency count for column two (for example):
awk -F '\t' '{print $2}' * | sort | uniq -c | sort -nr
fileA.txt
z z a
a b c
w d e
fileB.txt
t r e
z d a
a g c
fileC.txt
z r a
v d c
a m c
Result:
3 d
2 r
1 z
1 m
1 g
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22 Answers
22
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PHP - Modify current object in foreach loop
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Newline in markdown table?
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edited Jan 13 '15 at 20:41
answered Aug 25 '12 at 5:03
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How to change position of Toast in Android?
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edited Oct 12 '15 at 4:13
user456814
answered Mar 24 '10 at 11:04
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Generate random password string with requirements in javascript
...k?
Math.random() // Generate random number, eg: 0.123456
.toString(36) // Convert to base-36 : "0.4fzyo82mvyr"
.slice(-8);// Cut off last 8 characters : "yo82mvyr"
Documentation for the Number.prototype.toString and string.p...
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27 Answers
27
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Add a fragment to the URL without causing a redirect?
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edited May 16 '12 at 0:01
answered Nov 26 '10 at 2:04
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How do I test if a variable is a number in Bash?
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