*Synopsis*: ksh93 script has problem with newline
*Change Request ID*: 6977405
*Synopsis*: ksh93 script has problem with newline
Product: solaris
Category: shell
Subcategory: korn93
Type: Defect
Subtype:
Status: 1-Dispatched
Substatus:
Priority: 4-Low
Introduced In Release:
Introduced In Build:
Responsible Engineer:
Keywords:
=== *Description* ============================================================
Such simple script like:
#!/bin/sh
set -vx
COMMAND="/usr/bin/echo
-d passwd"
echo "$COMMAND"
has very strange output:
$ ./testbug.sh
COMMAND="/usr/bin/echo
-d passwd"
+ COMMAND=$'/usr/bin/echo \n-d passwd'
echo "$COMMAND"
+ echo $'/usr/bin/echo \n-d passwd'
/usr/bin/echo
-d passwd
"$'/usr/bin/echo \n-d passwd' is different from other shells and it is used
only in case that there is newline (and other shells probably).
>From ksh93 FAQ:
Q5. What is the purpose of $'...'?
A5. The $'...' option was added to ksh93 to solve the problem
of entering special characters in scripts. It uses
ANSI-C rules to translate the string between the '...'.
It would have been cleaner to have all "..." strings handle
ANSI-C escapes, but that would not be backwards compatible.
Well, this is incompatible with other shells, misleading and awkward.
*** (#1 of 1): 2010-08-16 15:42:38 GMT+00:00 <User 1-1SURPB>
=== *Public Comments* ========================================================
=== *Workaround* =============================================================
=== *Additional Details* =====================================================
Targeted Release:
Commit To Fix In Build:
Fixed In Build:
Integrated In Build:
Verified In Build:
See Also:
Duplicate of:
Hooks:
Hook1:
Hook2:
Hook3:
Hook4:
Hook5:
Hook6:
Program Management:
Root Cause:
Fix Affects Documentation: No
Fix Affects Localization: No
=== *History* ================================================================
Date Submitted: 2010-08-16 15:42:38 GMT+00:00
Submitted By: <User 1-1SURPB>
Status Changed Date Updated Updated By
=== *Service Request* ========================================================
Impact: Significant
Functionality: Primary
Severity: 2
Product Name: solaris
Product Release: solaris_nevada
Product Build: snv_145
Operating System: snv_145
Hardware: generic
Submitted Date: 2010-08-16 15:42:38 GMT+00:00
=== *Multiple Release (MR) Cluster* - 0 ======================================
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