diff options
Diffstat (limited to 'NEWS')
| -rw-r--r-- | NEWS | 11 |
1 files changed, 9 insertions, 2 deletions
@@ -26,6 +26,13 @@ The (D) flag in parameter expansion abbreviates directories in the substituted value. The (q-) flag does minimal shell quotation of arguments for maximum human readability of the result. +The (Z) flag in parameter expansion is an enhanced version of the (z) +flag that takes an argument indicating how the string to be split +is treated. (Z:c:) parses comments as strings; (Z:C:) parses comments +and strips them; (Z:n:) treats newlines as ordinary whitespace: (z) +has always treated unquoted newlines as shell delimiters and turned them +into semicolons, though this was not previously documented. + Numeric expansion with braces has been extended so that a step may be given, as in {3..9..2}. The step may be negative as may the start and end of the range (this is also new). @@ -91,8 +98,8 @@ The POSIX_JOBS option already referred to has various other compatibility enchancements. The new shell option POSIX_STRINGS makes a null character in $'...' -expansion terminate the string. This is not particularly useful -behaviour but may become a POSIX requirement. +expansion terminate the string, as is already the case in bash. This is +not particularly useful behaviour but may become a POSIX requirement. The new shell option POSIX_TRAPS causes the EXIT trap to behave in the same way as in other shells, i.e. it is only run when the shell exits. |