Node: System Informations, Next: Program Arguments Parsing, Previous: Environment, Up: System Procedures
running-os | STKLOS Procedure |
Returns the name of the underlying Operating System which is running
the program.
The value returned by runnin-os is a symbol. For now, this procedure
returns either unix or windows .
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hostname | STKLOS Procedure |
Return the host name of the current processor as a string. |
argc | STKLOS Procedure |
Returns the number of argument present on the command line |
argv | STKLOS Procedure |
Returns a list of the arguments given on the shell command line. The interpreter options are no included in the result |
program-name | STKLOS Procedure |
Returns the invocation name of the current program as a string. |
version | STKLOS Procedure |
Returns a string identifying the current version of the system. A version is constituted of three numbers separated by a point: the version, the release and sub-release numbers. |
machine-type | STKLOS Procedure |
Returns a string identifying the kind of machine which is running the
program. The result string is of the form
[os-name]-[os-version]-[processor-type] .
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clock | STKLOS Procedure |
Returns an approximation of processor time, in milliseconds, used so far by the program. |
date | STKLOS Procedure |
Returns the current date in a string |
current-time | STKLOS Procedure |
Returns the time since the Epoch (that is 00:00:00 UTC, January 1, 1970), measured in seconds. |
full-current-time | STKLOS Procedure |
Returns the time of the day as a pair where
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seconds->date sec | STKLOS Procedure |
Returns a keyword list for the date given by sec (a date based on the
Epoch). The keyed values returned are
Example: (seconds->date (current-time)) => (:second 49 :minute 32 :hour 23 :day 2 :month 4 :year 2002 :week-day 2 :year-day 91 :dst #t :time-zone-offset -3600) |
time expr1 expr2 ... | STKLOS Syntax |
Evaluates the expressions expr1 , expr2 , ... and returns the
result of the last expression. This form prints also the time spent
for this evaluation on the current error port.
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getpid | STKLOS Procedure |
Returns the system process number of the current program (i.e. the Unix pid) as an integer. |