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Top Forums Shell Programming and Scripting Bad substitution error while working with substring Post 302825815 by smile689 on Tuesday 25th of June 2013 08:41:35 AM
Old 06-25-2013
Bad substitution error while working with substring

Hi I'm using ksh.
And i'm trying to get the substring like below.
but giving the following error
Code:
 
#!/bin/ksh
foo=teststring
bar=${foo:0:5}
echo $bar

And the error is
Code:
./sbstr_test.sh[4]: bar=${foo:0:5}: bad substitution

what is wrong in this script. Please correct me

---------- Post updated at 06:11 PM ---------- Previous update was at 05:21 PM ----------

Even i tried with the following but of no use

Code:
#!/bin/ksh
foo=teststring
bar=${$foo:0:5}
echo $bar

and getting the error same as above

Last edited by smile689; 06-25-2013 at 09:09 AM.. Reason: Added
 

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times(1)							   User Commands							  times(1)

NAME
times - shell built-in function to report time usages of the current shell SYNOPSIS
sh times ksh times DESCRIPTION
sh Print the accumulated user and system times for processes run from the shell. ksh Print the accumulated user and system times for the shell and for processes run from the shell. On this man page, ksh(1) commands that are preceded by one or two * (asterisks) are treated specially in the following ways: 1. Variable assignment lists preceding the command remain in effect when the command completes. 2. I/O redirections are processed after variable assignments. 3. Errors cause a script that contains them to abort. 4. Words, following a command preceded by ** that are in the format of a variable assignment, are expanded with the same rules as a vari- able assignment. This means that tilde substitution is performed after the = sign and word splitting and file name generation are not performed. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ SEE ALSO
ksh(1), sh(1), time(1), attributes(5) SunOS 5.10 15 Apr 1994 times(1)
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