diff options
Diffstat (limited to 'bin/ksh/NOTES')
| -rw-r--r-- | bin/ksh/NOTES | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/bin/ksh/NOTES b/bin/ksh/NOTES index fa009dcadd6..9db5173cfd7 100644 --- a/bin/ksh/NOTES +++ b/bin/ksh/NOTES @@ -1,11 +1,11 @@ -$OpenBSD: NOTES,v 1.6 1999/01/08 20:24:57 millert Exp $ +$OpenBSD: NOTES,v 1.7 1999/06/15 01:18:33 millert Exp $ General features of at&t ksh88 that are not (yet) in pdksh: - exported aliases and functions (not in ksh93). - set -t. - signals/traps not cleared during functions. - trap DEBUG, local ERR and EXIT traps in functions. - - ERRNO, LINENO parameters. + - ERRNO parameter. - doesn't have posix file globbing (eg, [[:alpha:]], etc.). - use of an `agent' to execute unreadable/setuid/setgid shell scripts (don't ask). @@ -18,7 +18,7 @@ Known bugs (see also BUG-REPORTS and PROJECTS files): " \t\n") others lose their special meaning. IFS/PATH taken care of, still need to sort out some others (eg, TMOUT). Parsing,Lexing: - - line numbers in errors are wrong for nested construct. Need to + - line numbers in errors are wrong for nested constructs. Need to keep track of the line a command started on (can use for LINENO parameter as well). - a $(..) expression nested inside double quotes inside another $(..) @@ -75,6 +75,11 @@ Known differences between pdksh & at&t ksh (that may change) - if the command 'sleep 5 && /bin/echo blah' is run interactively and is the sleep is stopped (^Z), the echo is run immediately in pdksh. In at&t ksh, the whole thing is stopped. + - LINENO: + - in ksh88 variable is always 1 (can't be changed) in interac mode; + in pdksh it changes. + - Value of LINENO after it has been set by the script in one file + is bizarre when used in another file. Known differences between pdksh & at&t ksh (that are not likely to change) - at&t ksh seems to catch or ignore SIGALRM - pdksh dies upon receipt |