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Full Discussion: Limit the number of characters in a bash output
Top Forums UNIX for Dummies Questions & Answers Limit the number of characters in a bash output Post 302567139 by Light_ on Saturday 22nd of October 2011 12:44:41 PM
Old 10-22-2011
Limit the number of characters in a bash output
I have a script that outputs the weather on two lines.
If possibly I would like to set a character limit on them

Currently it outputs something like
Quote:
Today:
Morning fog then afternoon showers.
Tomorrow:
Rain at times.
but I would like to limit the lines so appends an ellipsis if nescessary:
Quote:
Today:
Morning fog then afternoon sh(...)
Tomorrow:
Rain at times.
This is the script
Code:
#! /bin/bash


curl -s --connect-timeout 30 "ftp://ftp2.bom.gov.au/anon/gen/fwo/IDA00003.html" | grep "Melbourne" | sed -e 's,&nbsp;,,g' -e 's/<\/TD>/\]/g' -e 's/<[^>]*>//g' | awk -F ']' '{print "Today:"}{print $4}{print "Tomorrow:" }{print    $7}'
exit 0

 

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LEARN ABOUT NETBSD

iconv

ICONV(1)						    BSD General Commands Manual 						  ICONV(1)

NAME

     iconv -- codeset conversion utility

SYNOPSIS

     iconv [-cs] -f from_name -t to_name [file ...]
     iconv -f from_name [-cs] [-t to_name] [file ...]
     iconv -t to_name [-cs] [-f from_name] [file ...]
     iconv -l

DESCRIPTION

     The iconv utility converts the codeset of file (or from standard input if no file is specified) from codeset from_name to codeset to_name and
     outputs the converted text on standard output.

     The following options are available:

     -c    Prevent output of any invalid characters.  By default, iconv outputs an ``invalid character'' specified by the to_name codeset when it
	   encounters a character which is valid in the from_name codeset but does not have a corresponding character in the to_name codeset.

     -f    Specifies the source codeset name as from_name.

     -l    Lists available codeset names.  Note that not all combinations of from_name and to_name are valid.

     -s    Silent.  By default, iconv outputs the number of ``invalid characters'' to standard error if they exist.  This option prevents this be-
	   haviour.

     -t    Specifies the destination codeset name as to_name.

EXIT STATUS

     The iconv utility exits 0 on success, and >0 if an error occurs.

SEE ALSO

     iconv(3)

STANDARDS

     iconv conform to IEEE Std 1003.1-2001 (``POSIX.1'').

HISTORY

     iconv first appeared in NetBSD 2.0.

BSD
								  March 20, 2008							       BSD
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