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Full Discussion: how the typeset command works in shell script
Top Forums Shell Programming and Scripting how the typeset command works in shell script Post 302502937 by quirkasaurus on Wednesday 9th of March 2011 09:31:54 AM
Old 03-09-2011
typeset -l section
is creating a variable that will be forced lower case.
Check by typing:
Code:
typeset -l section
section=LSKDHFLKSDHF
echo $section

section=${2:-.}

Means, assign section variable the value of the 2nd command line argument.
If that argument is not set, then set the value of section to a dot.
This User Gave Thanks to quirkasaurus For This Post:
 

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LEARN ABOUT CENTOS

makesh

MAKESH(1)						      General Commands Manual							 MAKESH(1)

NAME

       makeSH - a .SH script maker

SYNOPSIS

       makeSH files

DESCRIPTION

       MakeSH  examines  one or more scripts and produces a .SH file that, when run under sh, will produce the original script.  The .SH script so
       produced has two sections containing code destined for the output.  The first section has variable substitutions performed  on  it  (taking
       values  from  config.sh), while the second section does not.  MakeSH does not know which variables you want to have substituted, so it puts
       the whole script into the second section.  It's up to you to insert any variable substitutions in the first section for any values you want
       from config.sh.

       You  should  run  makeSH from within your top-level directory and use the relative path to the file as an argument, so that the "Extracting
       ..." line printed while running the produced .SH file later on will give that same path.

AUTHOR

       Larry Wall <lwall@netlabs.com>

SEE ALSO

       pat(1), metaconfig(1), makedist(1).

BUGS

       It could assume that variables from metaconfig's Glossary need to be initialized in the first section, but I'm too lazy to make it do that.

								       LOCAL								 MAKESH(1)
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