Section 1: user commands and tools
NAME perl594delta – what is new for perl v5.9.4 DESCRIPTION This document describes differences between the 5.9.3 and the 5.9.4 development releases. See perl590delta, perl591delta, perl592delta and perl593delta for the differences between 5.8.0 and 5.9.3. Incompatible Changes chdir FOO A bareword argument to chdir() is now recognized as a file handle. Earlier releases interpreted the…
NAME perl593delta – what is new for perl v5.9.3 DESCRIPTION This document describes differences between the 5.9.2 and the 5.9.3 development releases. See perl590delta, perl591delta and perl592delta for the differences between 5.8.0 and 5.9.2. Incompatible Changes Parsing of -f _ The identifier "_" is now forced to be a bareword after a filetest operator. This…
NAME perl592delta – what is new for perl v5.9.2 DESCRIPTION This document describes differences between the 5.9.1 and the 5.9.2 development releases. See perl590delta and perl591delta for the differences between 5.8.0 and 5.9.1. Incompatible Changes Packing and UTF-8 strings The semantics of pack() and unpack() regarding UTF-8-encoded data has been changed. Processing is now by…
NAME perl591delta – what is new for perl v5.9.1 DESCRIPTION This document describes differences between the 5.9.0 and the 5.9.1 development releases. See perl590delta for the differences between 5.8.0 and 5.9.0. Incompatible Changes substr() lvalues are no longer fixed-length The lvalues returned by the three argument form of substr() used to be a “fixed length…
NAME perl590delta – what is new for perl v5.9.0 DESCRIPTION This document describes differences between the 5.8.0 release and the 5.9.0 release. Incompatible Changes Hash Randomisation Mainly due to security reasons, the “random ordering” of hashes has been made even more random. Previously while the order of hash elements from keys(), values(), and each() was…
NAME perl58delta – what is new for perl v5.8.0 DESCRIPTION This document describes differences between the 5.6.0 release and the 5.8.0 release. Many of the bug fixes in 5.8.0 were already seen in the 5.6.1 maintenance release since the two releases were kept closely coordinated (while 5.8.0 was still called 5.7.something). Changes that were integrated…
NAME perl589delta – what is new for perl v5.8.9 DESCRIPTION This document describes differences between the 5.8.8 release and the 5.8.9 release. Notice The 5.8.9 release will be the last significant release of the 5.8.x series. Any future releases of 5.8.x will likely only be to deal with security issues, and platform build failures. Hence…
NAME perl588delta – what is new for perl v5.8.8 DESCRIPTION This document describes differences between the 5.8.7 release and the 5.8.8 release. Incompatible Changes There are no changes intentionally incompatible with 5.8.7. If any exist, they are bugs and reports are welcome. Core Enhancements • "chdir", "chmod" and "chown" can now work on filehandles as…
NAME perl587delta – what is new for perl v5.8.7 DESCRIPTION This document describes differences between the 5.8.6 release and the 5.8.7 release. Incompatible Changes There are no changes incompatible with 5.8.6. Core Enhancements Unicode Character Database 4.1.0 The copy of the Unicode Character Database included in Perl 5.8 has been updated to 4.1.0 from 4.0.1….
NAME perl586delta – what is new for perl v5.8.6 DESCRIPTION This document describes differences between the 5.8.5 release and the 5.8.6 release. Incompatible Changes There are no changes incompatible with 5.8.5. Core Enhancements The perl interpreter is now more tolerant of UTF-16-encoded scripts. On Win32, Perl can now use non-IFS compatible LSPs, which allows Perl…
NAME perl585delta – what is new for perl v5.8.5 DESCRIPTION This document describes differences between the 5.8.4 release and the 5.8.5 release. Incompatible Changes There are no changes incompatible with 5.8.4. Core Enhancements Perl’s regular expression engine now contains support for matching on the intersection of two Unicode character classes. You can also now refer…
NAME perl584delta – what is new for perl v5.8.4 DESCRIPTION This document describes differences between the 5.8.3 release and the 5.8.4 release. Incompatible Changes Many minor bugs have been fixed. Scripts which happen to rely on previously erroneous behaviour will consider these fixes as incompatible changes :-) You are advised to perform sufficient acceptance testing…
NAME perl583delta – what is new for perl v5.8.3 DESCRIPTION This document describes differences between the 5.8.2 release and the 5.8.3 release. If you are upgrading from an earlier release such as 5.6.1, first read the perl58delta, which describes differences between 5.6.0 and 5.8.0, and the perl581delta and perl582delta, which describe differences between 5.8.0, 5.8.1…
NAME perl582delta – what is new for perl v5.8.2 DESCRIPTION This document describes differences between the 5.8.1 release and the 5.8.2 release. If you are upgrading from an earlier release such as 5.6.1, first read the perl58delta, which describes differences between 5.6.0 and 5.8.0, and the perl581delta, which describes differences between 5.8.0 and 5.8.1. Incompatible…
NAME perl581delta – what is new for perl v5.8.1 DESCRIPTION This document describes differences between the 5.8.0 release and the 5.8.1 release. If you are upgrading from an earlier release such as 5.6.1, first read the perl58delta, which describes differences between 5.6.0 and 5.8.0. In case you are wondering about 5.6.1, it was bug-fix-wise rather…
NAME perl573delta – what’s new for perl v5.7.3 DESCRIPTION This document describes differences between the 5.7.2 release and the 5.7.3 release. (To view the differences between the 5.6.0 release and the 5.7.0 release, see perl570delta. To view the differences between the 5.7.0 release and the 5.7.1 release, see perl571delta. To view the differences between the…
NAME perl572delta – what’s new for perl v5.7.2 DESCRIPTION This document describes differences between the 5.7.1 release and the 5.7.2 release. (To view the differences between the 5.6.0 release and the 5.7.0 release, see perl570delta. To view the differences between the 5.7.0 release and the 5.7.1 release, see perl571delta.) Security Vulnerability Closed (This change was…
NAME perl571delta – what’s new for perl v5.7.1 DESCRIPTION This document describes differences between the 5.7.0 release and the 5.7.1 release. (To view the differences between the 5.6.0 release and the 5.7.0 release, see perl570delta.) Security Vulnerability Closed (This change was already made in 5.7.0 but bears repeating here.) A potential security vulnerability in the…
NAME perl570delta – what’s new for perl v5.7.0 DESCRIPTION This document describes differences between the 5.6.0 release and the 5.7.0 release. Security Vulnerability Closed A potential security vulnerability in the optional suidperl component of Perl has been identified. suidperl is neither built nor installed by default. As of September the 2nd, 2000, the only known…
NAME perl56delta – what’s new for perl v5.6.0 DESCRIPTION This document describes differences between the 5.005 release and the 5.6.0 release. Core Enhancements Interpreter cloning, threads, and concurrency Perl 5.6.0 introduces the beginnings of support for running multiple interpreters concurrently in different threads. In conjunction with the perl_clone() API call, which can be used to…