Singular Manual: string related functions

| ### 4.22.5 string related functions `charstr` description of the coefficient field of a ring (see charstr) `execute` executing string as command (see execute) `find` position of a substring in a string (see find) `names` list of strings of all user-defined variable names (see names) `nameof` name of an object (see nameof) `option` lists all defined options (see option) `ordstr` monomial ordering of a ring (see ordstr) `parstr` names of all ring parameters or the name of the n-th ring parameter (see parstr) `read` read a file (see read) `size` length of a string (see size) `sprintf` string formatting (see sprintf) `typeof` type of an object (see typeof) `varstr` names of all ring variables or the name of the n-th ring variable (see varstr)

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