Get count of multiple word in single command Post: 302995157

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Top Forums UNIX for Beginners Questions & Answers Get count of multiple word in single command Post 302995157 by drl on Sunday 2nd of April 2017 06:44:44 AM

04-02-2017

Registered User

Hi.

Using a pipeline grep -> sort -> uniq:

Code:

#!/usr/bin/env bash

# @(#) s1       Demonstrate count of 4 unique strings, grep, sort, uniq.

# Utility functions: print-as-echo, print-line-with-visual-space, debug.
# export PATH="/usr/local/bin:/usr/bin:/bin"
LC_ALL=C ; LANG=C ; export LC_ALL LANG
pe() { for _i;do printf "%s" "$_i";done; printf "\n"; }
pl() { pe;pe "-----" ;pe "$*"; }
em() { pe "$*" >&2 ; }
db() { ( printf " db, ";for _i;do printf "%s" "$_i";done;printf "\n" ) >&2 ; }
db() { : ; }
C=$HOME/bin/context && [ -f $C ] && $C grep sort uniq

FILE=${1-data1}

pl " Input data file $FILE:"
cat $FILE

pl " Results:"
grep -Eo "Exception|Fatal|Error|Exec" $FILE |
tee f1 |
sort |
tee f2 |
uniq -c

exit 0

producing:

Code:

$ ./s1

Environment: LC_ALL = C, LANG = C
(Versions displayed with local utility "version")
OS, ker|rel, machine: Linux, 3.16.0-4-amd64, x86_64
Distribution        : Debian 8.7 (jessie) 
bash GNU bash 4.3.30
grep (GNU grep) 2.20
sort (GNU coreutils) 8.23
uniq (GNU coreutils) 8.23

-----
 Input data file data1:
Now is the time
This is an Exception
for all good men Exec
to come to the aid
Sparkle Farkle Error
of their country.
And now, this: Fatal
Exception, finally.

-----
 Results:
      1 Error
      2 Exception
      1 Exec
      1 Fatal

See files f1, f2 for intermediate data. See man pages for details.

Best wishes ... cheers, drl

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LEARN ABOUT LINUX

uniq

UNIQ(1) 							   User Commands							   UNIQ(1)

NAME

       uniq - report or omit repeated lines

SYNOPSIS

       uniq [OPTION]... [INPUT [OUTPUT]]

DESCRIPTION

       Filter adjacent matching lines from INPUT (or standard input), writing to OUTPUT (or standard output).

       With no options, matching lines are merged to the first occurrence.

       Mandatory arguments to long options are mandatory for short options too.

       -c, --count
	      prefix lines by the number of occurrences

       -d, --repeated
	      only print duplicate lines

       -D, --all-repeated[=delimit-method]
	      print all duplicate lines delimit-method={none(default),prepend,separate} Delimiting is done with blank lines

       -f, --skip-fields=N
	      avoid comparing the first N fields

       -i, --ignore-case
	      ignore differences in case when comparing

       -s, --skip-chars=N
	      avoid comparing the first N characters

       -u, --unique
	      only print unique lines

       -z, --zero-terminated
	      end lines with 0 byte, not newline

       -w, --check-chars=N
	      compare no more than N characters in lines

       --help display this help and exit

       --version
	      output version information and exit

       A field is a run of blanks (usually spaces and/or TABs), then non-blank characters.  Fields are skipped before chars.

       Note:  'uniq'  does  not  detect  repeated  lines unless they are adjacent.  You may want to sort the input first, or use `sort -u' without
       `uniq'.	Also, comparisons honor the rules specified by `LC_COLLATE'.

AUTHOR

       Written by Richard M. Stallman and David MacKenzie.

REPORTING BUGS

       Report uniq bugs to bug-coreutils@gnu.org
       GNU coreutils home page: <http://www.gnu.org/software/coreutils/>
       General help using GNU software: <http://www.gnu.org/gethelp/>
       Report uniq translation bugs to <http://translationproject.org/team/>

COPYRIGHT

       Copyright (C) 2010 Free Software Foundation, Inc.  License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
       This is free software: you are free to change and redistribute it.  There is NO WARRANTY, to the extent permitted by law.

SEE ALSO

       comm(1), join(1)

       The full documentation for uniq is maintained as a Texinfo manual.  If the info and uniq programs are properly installed at your site,  the
       command

	      info coreutils 'uniq invocation'

       should give you access to the complete manual.

GNU coreutils 8.5						   February 2011							   UNIQ(1)

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