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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 DEBIAN

mhub

mhub(1) 								GGI								   mhub(1)

NAME

       mhub - converts LibGII events to mouse protocol or mhub data

SYNOPSIS

       mhub [options]

DESCRIPTION

       mhub  reads  pointer  events  from  the LibGII default device and outputs mouse protocol data and/or mhub data to the specified files.  The
       default device is specified with the GII_INPUT environment variable, see the libgii(7) manual for more info.

OPTIONS

       -h     displays this help and exit

       -v     output version information and exit

       -d     print contents of received events to standard error

       -s     terminate program when a SIGPIPE signal is received.  The default is to ignore SIGPIPE.

       -e BUTNR
	      only generate mhub events for buttons >= BUTNR.  The default is 4.

       -b FILE
	      output mhub events to FILE

       -2 FILE
	      output PS/2 format data to FILE

       -i FILE
	      output (serial) IntelliMouse format data to FILE

       -m FILE
	      output MouseSystems format data to FILE

       -r FROM TO
	      remap button FROM to button TO

       -w BUTNR
	      transform wheel up motion to a BUTNR mhub event

       -W BUTNR
	      transform wheel down motion to a BUTNR mhub event

       A maximum of 20 mhub event outputs and 20 mouse data outputs are supported.  The number of remaps are unlimited and all remaps occur before
       any other processing.

       Mouse data outputs may all use different protocols.

libgii-1.0.x							    2004-10-14								   mhub(1)
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