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Count occurrences of each symbol in a file

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Name		Name	Last commit message	Last commit date
Latest commit History 47 Commits
lib		lib
m4		m4
.gitignore		.gitignore
AUTHORS		AUTHORS
INSTALL		INSTALL
Makefile.am		Makefile.am
NEWS		NEWS
README		README
configure.ac		configure.ac
occurs.c		occurs.c
occurs.ggo		occurs.ggo
occurs.go		occurs.go
occurs.lua		occurs.lua
occurs.py		occurs.py
occurs.rb		occurs.rb
occurs.sh		occurs.sh

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occurs
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`occurs` finds the number of occurrences of each symbol (where "symbol" can be defined flexibly enough to be words, identifiers or XML tags), and list them sorted lexically or by frequency, with or without the frequency and total number of distinct symbols.

unique: occurs -n -l "^" -r "$" -s ".*" "$@"
sort lexically: occurs "$@" | sort
sort by frequency: occurs "$@" | sort -n -k 2