Shell Programming and Scripting

$
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$ LINE=`yes "*" | head -50 | tr -d '\n'`
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$ echo "$LINE"
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#!/usr/bin/env bash

# @(#) s1   Demonstrate creation of simple data files.

# Utility functions: print-as-echo, print-line-with-visual-space, debug.
# export PATH="/usr/local/bin:/usr/bin:/bin"
pe() { for _i;do printf "%s" "$_i";done; printf "\n"; }
pl() { pe;pe "-----" ;pe "$*"; }
edges() { local _f _n _l;: ${1?"edges: need file"}; _f=$1;_l=$(wc -l $_f);
  head -${_n:=3} $_f ; pe "--- ( $_l: lines total )" ; tail -$_n $_f ; }
db() { ( printf " db, ";for _i;do printf "%s" "$_i";done;printf "\n" ) >&2 ; }
db() { : ; }
C=$HOME/bin/context && [ -f $C ] && $C ./spit

pl " Results, default:"
./spit 

pl " Results, 2 x 3, value 1.5:"
./spit -r 2 -c 3 -v 1.5

pl " Results, one row of character data:"
./spit -d "" --rows 1 --cols 20 -v '*'

exit 0

% ./s1

Environment: LC_ALL = C, LANG = C
(Versions displayed with local utility "version")
OS, ker|rel, machine: Linux, 2.6.26-2-amd64, x86_64
Distribution        : Debian GNU/Linux 5.0.8 (lenny) 
bash GNU bash 3.2.39
./spit spit - ( local: RepRev 1.3, ./spit, 2012-02-17 )

-----
 Results, default:
1

-----
 Results, 2 x 3, value 1.5:
1.5 1.5 1.5
1.5 1.5 1.5

-----
 Results, one row of character data:
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