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Full Discussion: split string into array in shell
Top Forums Shell Programming and Scripting split string into array in shell Post 302641985 by Roy987 on Wednesday 16th of May 2012 08:27:43 PM
Old 05-16-2012
Quote:
Originally Posted by ningy
Code:
san@~ :> declare -a myarr=(`echo "foo|bar|baz" |sed 's/|/ /g'`)
san@~ :> echo ${myarr[@]}

foo bar baz
This led to an error "Syntax error: "(" unexpected" on my ubuntu,
I executed it in a script started with:
Code:
 #!/bin/sh

---------- Post updated at 07:27 PM ---------- Previous update was at 07:19 PM ----------

Quote:
Originally Posted by gary_w
Code:
$ cat x
#!/bin/ksh

IFS="|"
STRING="foo|bar|baz"

set -A array $STRING

print ${array[0]}
print ${array[1]}
print ${array[2]}

exit 0
$ x
foo
bar
baz
$

This led to an error "Illegal option -A" on my ubuntu,
I execute it in a script started with:
Code:
 #!/bin/sh

Maybe it is related to the mismatch of the syntax and the shell version on my machine.

Thanks a lot
Roy987
 

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perl::critic::policy::inputoutput::requirebracedfilehandlewithpr

Perl::Critic::Policy::InputOutput::RequireBracedFileHandUsertContributed PerPerl::Critic::Policy::InputOutput::RequireBracedFileHandleWithPrint(3)

NAME

       Perl::Critic::Policy::InputOutput::RequireBracedFileHandleWithPrint - Write "print {$FH} $foo, $bar;" instead of "print $FH $foo, $bar;".

AFFILIATION

       This Policy is part of the core Perl::Critic distribution.

DESCRIPTION

       The "print" and "printf" functions have a unique syntax that supports an optional file handle argument.	Conway suggests wrapping this
       argument in braces to make it visually stand out from the other arguments.  When you put braces around any of the special package-level
       file handles like "STDOUT", "STDERR", and "DATA", you must the '*' sigil or else it won't compile under "use strict 'subs'".

	 print $FH   "Mary had a little lamb
";  #not ok
	 print {$FH} "Mary had a little lamb
";  #ok

	 print	 STDERR   $foo, $bar, $baz;  #not ok
	 print	{STDERR}  $foo, $bar, $baz;  #won't compile under 'strict'
	 print {*STDERR}  $foo, $bar, $baz;  #perfect!

CONFIGURATION

       This Policy is not configurable except for the standard options.

AUTHOR

       Jeffrey Ryan Thalhammer <jeff@imaginative-software.com>

COPYRIGHT

       Copyright (c) 2005-2011 Imaginative Software Systems.  All rights reserved.

       This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.  The full text of this license
       can be found in the LICENSE file included with this module.

perl v5.16.3							    2014-06-Perl::Critic::Policy::InputOutput::RequireBracedFileHandleWithPrint(3)
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