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Full Discussion: How to get index values for multiple matches in the same line with awk?
Top Forums Shell Programming and Scripting How to get index values for multiple matches in the same line with awk? Post 302949631 by Don Cragun on Tuesday 14th of July 2015 05:19:27 AM
Old 07-14-2015
You could also try something like:
Code:
#!/bin/ksh
printf '%s\n' 'bob alice robert alice' 'aaaa bbbb aaaa' | awk -v s="$1" '
{       d = ""
        for(i = 1; x = index(substr($0, i), s); i = i + x + length(s) - 1) {
                printf("%s%d", d, i + x - 1)
                d = ":"
        }
        print ""
}'

If you want to try this on a Solaris/SunOS system, change awk to /usr/xpg4/bin/awk.

If you save this in a file named tester and make it executable, then various invocations show how it works:
Code:
$ ./tester alice
5:18

$ ./tester a
5:18
1:2:3:4:11:12:13:14
$ ./tester "b a"
3
9
$ ./tester b
1:3:13
6:7:8:9
$ ./tester aa

1:3:11:13
$

This User Gave Thanks to Don Cragun For This Post:
chilicuil
 

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LEARN ABOUT DEBIAN

towitoko-tester

Towitoko Tester(1)					      General Commands Manual						Towitoko Tester(1)

NAME

       towitoko-tester	--	Towitoko driver CT-API interface tester tool

SYNOPSIS

       towitoko-tester

DESCRIPTION

       towitoko-tester	is  a  simple tool that allows executing some simple commands on a smartcard using a Towitoko smartcard reader.  It can be
       used to test that a smartcard can be properly recognized, and that it can be read and written.

       The tool provides a text based menu interface. Commands that can be executed via the menu depends on the reader card insertion  status  and
       the  type  of card inserted. For memory cards it permits reading and writing data bytes, checking and changing the PIN. For processor cards
       it permits selecting, reading and updating binary card files.

       Several readers on different ports can be used at a time. The text menu allows opening, closing and changing current  port.  The  smartcard
       can  be	inserted  and  removed	from any initialized reader at any time.  The tool will automatically detect when the card is inserted and
       removed, and will update the information shown in the menu. However you must refresh the menu to see any change reflected.

       If you have installed pcscd package, and have configured your reader to be used by pscsd, you'll need to stop the pcsc daemon  before  ini-
       tializing the reader with towitoko-tester.

SEE ALSO

       ctapi (3) and ctbcs (3). pcscd (8)

AUTHOR

       This manual page was written by Carlos Prados <cprados@debian.org>.

																Towitoko Tester(1)
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