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Full Discussion: Help with sed/awk command
Top Forums Shell Programming and Scripting Help with sed/awk command Post 302923386 by Aia on Sunday 2nd of November 2014 11:40:14 AM
Old 11-02-2014
if supported with your sed:
Code:
 sed 's/,\+$/,/'

or
Code:
perl -lpe 's/,+$/,/'

sed 's/,*$/,/' In case you want to employ the technique in another instances, this one has the advantage or disadvantage that it would add a trailing , if none is found
Last edited by Aia; 11-02-2014 at 01:58 PM.. Reason: Explaining the /,*$/,/
 

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xmlstarlet

XMLSTARLET(1)                                                    xmlstarlet Manual                                                   XMLSTARLET(1)

NAME

       xmlstarlet - command line XML/XSLT toolkit

SYNOPSIS

       xmlstarlet [<options>] [<command>] [<cmd-options>]

INTRODUCTION

       XMLStarlet is a set of command line utilities (tools) which can be used to transform, query, validate, and edit XML documents and files us-
       ing simple set of shell commands in similar way it is done for plain text files using UNIX grep, sed, awk, diff, patch, join, etc commands.
       This  set of command line utilities can be used by those who deal with many XML documents on UNIX shell command prompt as well as for auto-
       mated XML processing with shell scripts.

OPTIONS

       --version
              Display the version of xmlstarlet.

       --help Display help.

COMMANDS

       Type: xmlstarlet <command> --help <ENTER> for command help

       Available commands include:

       ed (or edit)
              Edit/update XML document(s).

       sel (or select)
              Select data or query XML document(s) (XPATH, etc).

       tr (or transform)
              Transform XML documents(s) using XSLT.

       val (or validate)
              Validate XML document(s) (well-formed/DTD/XSD/RelaxNG).

       fo (or format)
              Format XML document(s).

       el (or elements)
              Display element structure of XML document.

       c14n (or canonic)
              XML canonicalization.

       ls (or list)
              List directory as XML.

       esc (or escape)
              Escape special XML characters.

       unesc (or unescape)
              Unescape special XML characters.

       pyx (or xmln)
              Convert XML into PYX format (based on ESIS - ISO 8879).

       p2x (or depyx)
              Convert PYX into XML.

REFERENCES

       XMLStarlet is a command line  toolkit  to  query/edit/check/transform  XML  documents  (for  more  information  see  http://xmlstar.source-
       forge.net/).

AUTHOR

       Mikhail Grushinskiy.

                                                                                                                                     XMLSTARLET(1)
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