Procedures and functions
In general, the procedures and functions of mmsystem do not fail but set a status variable that can be read with getsysstat. To make sure the operation has been performed correctly, check the value of this variable after each system call.
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Add a number of months to a date or datetime.
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Compare 2 text strings ignoring case.
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Copy a part of a text or string.
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Cut a part of a text returning a copy of the deleted string.
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Delete a part of a text.
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Check whether a text or string ends with a given string.
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Securely deletes the content of a text entity.
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Expand a path or file name.
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Copy a file.
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Delete a file.
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Search for files according to file name patterns.
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Search for a string in a text or string.
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Rename or move a file.
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Create a text from a format string and its parameters.
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Update the last modification time of a file.
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Convert a date, time or datetime into a number.
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Get a character in a string or text.
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Get the current working directory.
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Get the date part of a datetime.
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Get the day number in the month of a date or datetime.
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Get the day number in the year of a date or datetime.
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Get the number of days of a month.
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Get the directory separator of the running operating system.
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Get the value of a control parameter.
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Get and set endparse property of a parser context.
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Get the value of an environment variable.
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Get the size of a file.
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Get the status of a file or directory.
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Get time information of a file.
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Get the hour part of a time or datetime.
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Get the minute part of a time or datetime.
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Get the month number of a date or datetime.
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Get the millisecond part of a time or datetime.
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Get the message associated to a system error code.
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Get the system error code of the last command.
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Get the path separator of the running operating system.
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Get and set qtype property of a parser context.
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Get the second part of a time or datetime.
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Get and set sepchar property of a parser context.
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Get the size of a text.
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Get and set start property of a text area.
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Get and set succ (position of successor character) property of a text area.
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Get information about the running operating system.
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Get the system status.
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Get a time measure or the time part of a datetime.
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Get the temporary directory as a text object.
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Get and set trim property of a parser context.
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Compute the day of the week for a date or datetime.
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Get the year part of a date or datetime.
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Paste a text or string into a text.
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Check whether a date, time or datetime is valid.
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Merge elements of a list or set into a text string.
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Create a new directory in the given file system.
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Create a new directory including its parents if necessary.
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Create a Unix tar archive from a list of files.
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Create a Zip archive from a list of files.
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Advance to next field in a structured text string.
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Start an external process for bidirectional communication.
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Initialise an object of a module type from a text.
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Convert a text into an integer.
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Convert a text into a real.
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Extract a text from a text.
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Paste a text or string into a text.
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Check whether a file name matches a given pattern.
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Split a path into its components.
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Sort a list or an array or (a subset of) the indices of an array.
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Quote and encode a text string.
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Get the value of a symbolic link.
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Read a line of text from the current input stream.
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Compare text strings using a regular expression.
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Replace portions of a text string based on a regular expression.
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Remove a directory.
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Remove files selected using file name patterns.
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Set a character in a text.
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Set the date part of a datetime.
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Set the day number of a date or datetime.
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Set the value of a control parameter.
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Set the value of an environment variable.
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Change the last modification time of a file.
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Set the hour part of a time or datetime.
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Set the minute part of a time or datetime.
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Set the month number of a date or datetime.
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Set the millisecond part of a time or datetime.
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Set the current system error code.
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Set the second part of a time or datetime.
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Set the time part of a datetime.
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Set the year part of a date or datetime.
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Suspend execution for a fixed amount of time.
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Split a text string.
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Check whether a text or string starts with a given string.
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Create a symbolic link.
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Execute an external program.
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Get the list of files included in a Unix tar archive.
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Create a formatted text from a string, a text or a number.
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Generate the lowercase version of the provided text.
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Generate the uppercase version of the provided text.
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Remove blank characters at the beginning and/or end of a text string.
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Extract files from a Unix tar archive.
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Extract files from a Zip archive.
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Get the list of files included in a Zip archive.
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