06-01-2009
Quote:
Originally Posted by
ghostdog74
check for 0, or use >0
Thanks for the advice, shortly after posting I came up with some ideas using some basic if/else for the divide by 0 (though I've yet to try putting it into practice). I'm not sure what you mean by use >0 though?
Either way, my main concern is why the second method of running the script doesn't work, even though the first does. It seems piping tail to awk works, but only sometimes.
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LEARN ABOUT LINUX
shtool-table
SHTOOL-TABLE.TMP(1) GNU Portable Shell Tool SHTOOL-TABLE.TMP(1)
NAME
shtool-table - GNU shtool pretty-print a field-separated list
SYNOPSIS
shtool table [-F|--field-sep sep] [-w|--width width] [-c|--columns cols] [-s|--strip strip] strsepstr...
DESCRIPTION
This pretty-prints a list of strings as a table.
OPTIONS
The following command line options are available.
-F, --field-sep sep
Separate columns using sep. Default is ":".
-w, --width width
Width of each column. Default is 15 characters.
-c, --columns cols
Number of columns. Default is 3.
-s, --strip strip
Strip off any characters past strip. Default is 79.
EXAMPLE
# shell script
shtool table -F , -w 5 -c 4 "1,2,3,4,5,6,7,8,9,10,11,12"
HISTORY
The GNU shtool table command was originally written by Ralf S. Engelschall <rse@engelschall.com> in 1999 for GNU shtool.
SEE ALSO
shtool(1), tr(1), fmt(1), sh(1), awk(1), sed(1).
18-Jul-2008 shtool 2.0.8 SHTOOL-TABLE.TMP(1)