__LINE__ A special token that compiles to the current line number.
flock FILEHANDLE,OPERATION Calls flock(2), or an emulation of it, on FILEHANDLE. Returns true for success, false on failure. Produces a fatal
grep BLOCK LIST grep EXPR,LIST This is similar in spirit to, but not the same as, grep(1) and its relatives
time Returns the number of non-leap seconds since whatever time the system considers to be the epoch, suitable for feeding to
__DATA__ These keywords are documented in Special
semctl ID,SEMNUM,CMD,ARG Calls the System V IPC function semctl(2). You'll probably have to say
oct EXPR oct Interprets EXPR as an octal string and returns the corresponding value. (If EXPR happens to
alarm SECONDS alarm Arranges to have a SIGALRM delivered to this process after the specified number of wallclock
symlink OLDFILE,NEWFILE Creates a new filename symbolically linked to the old filename. Returns 1
seekdir DIRHANDLE,POS Sets the current position for the
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