Scott Jappinen jappy

jappy / gist:2015447

Created March 11, 2012 07:36

unix command to sort works in a text by dictionary order

	tr -sc 'A-Za-z' '\n' < filename.txt \| sort \| uniq \| sort -d
	tr 'A-Z' 'a-z' < filename.txt \| tr -sc 'a-z' '\n'\| sort \| uniq \| sort -d \| less # normalizes to lowercase first

jappy / gist:2015435

Created March 11, 2012 07:32

unix sort cheatsheet

	sort –d #dictionary order
	sort –f #fold case
	sort –n #numeric order
	sort –nr #reverse numeric order
	sort +1 #start with ﬁeld 1 (starting from 0)
	sort +0.50 #start with 50th character
	sort +1.5 #start with 5th character of ﬁeld

jappy / gist:2015427

Created March 11, 2012 07:28

unix command to count sequences of consonants in a text

tr 'a-z' 'A-Z' < filename.txt | tr -sc 'BCDFGHJKLMNPQRSTVWXYZ' '\n' | sort | uniq -c | sort -nr 

jappy / gist:2015423

Created March 11, 2012 07:26

unix command to count sequences of vowels from a text

tr 'a-z' 'A-Z' < filename.txt | tr -sc 'AEIOU' 'n' | sort | uniq -c | sort -nr

jappy / gist:2015420

Created March 11, 2012 07:25

unix command to merge the counts for upper and lower case

tr 'a-z' 'A-Z' < filename.txt | tr -sc 'A-Z' 'n' | sort | uniq -c | sort -nr

jappy / gist:2012442

Created March 10, 2012 18:42

unix command to extract unique words by frequency normalized by case from a file (Mac/Linux)

tr 'A-Z' 'a-z' < filename.txt | tr -sc 'a-z' '\n' | sort | uniq -c | sort -n -r

jappy / gist:2012386

Created March 10, 2012 18:25

unix command to extract unique words by frequency from a file (Mac/Linux)

tr -sc 'A-Za-z' '\n' < filename.txt | sort | uniq -c | sort -n -r

jappy / gist:2012357

Created March 10, 2012 18:16

unix command to extract words from a file (Mac/Linux)

tr -sc 'A-Za-z' '\n' < filename.txt

jappy / dos2unix.sh

Created March 10, 2012 18:03

Shell script to convert files with CRLF to LF (Mac/Linux)