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Full Discussion: How to lowercase the values in a column in awk and include a dynamic counter?
Top Forums Shell Programming and Scripting How to lowercase the values in a column in awk and include a dynamic counter? Post 302959214 by RudiC on Friday 30th of October 2015 08:08:08 AM
Old 10-30-2015
Not sure how to reconcile your written spec and the sampe output. Do you mean you want to insert a field by copying tolower($1) between $1 and $2? And, the count info should be the number of lines between <s> and </s>?

---------- Post updated at 13:08 ---------- Previous update was at 12:57 ----------

Assuming above thoughts to be true, try
Code:
awk '
        {if ($1 ~ "<\/?s>") ST = NR
         else   {$1=$1 OFS tolower($1)
                 $3=NR-ST
                }
        }
1
' OFS="\t" file
<s>
He      he      PRP     1
could   could   MD      2
tell    tell    VB      3
she     she     PRP     4
was     was     VBD     5
teasing teasing VBG     6
him     him     PRP     7
.       .       .       8
</s>
<s>
He      he      PRP     1
kept    kept    VBD     2
his     his     PRP$    3
eyes    eyes    NNS     4
closed  closed  VBD     5
,       ,       ,       6
but     but     CC      7
he      he      PRP     8
could   could   MD      9
feel    feel    VB      10
himself himself PRP     11
smiling smiling VBG     12
.       .       .       13
</s>

 

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LEARN ABOUT SUNOS

tolower

tolower(3C)						   Standard C Library Functions 					       tolower(3C)

NAME

       tolower - transliterate upper-case characters to lower-case

SYNOPSIS

       #include <ctype.h>

       int tolower(int c);

DESCRIPTION

       The  tolower()  function  has  as  a domain a type int, the value of which is representable as an unsigned char or the value of EOF. If the
       argument has any other value, the argument is returned unchanged. If the argument of tolower() represents an upper-case letter,	and  there
       exists  a  corresponding lower-case letter (as defined by character type information in the program locale category LC_CTYPE),	the result
       is the corresponding lower-case letter. All other arguments in the domain are returned unchanged.

RETURN VALUES

       On successful completion, tolower() returns the lower-case letter corresponding to the argument passed. Otherwise, it returns the  argument
       unchanged.

ERRORS

       No errors are defined.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |CSI			     |Enabled			   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Standard			   |
       +-----------------------------+-----------------------------+
       |MT-Level		     |MT-Safe			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       _tolower(3C), setlocale(3C), attributes(5), standards(5)

SunOS 5.10							    14 Aug 2002 						       tolower(3C)
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