String Handling

The following Scheme functions can be used for strings:

(string-append s1 s2...)

Append the string arguments and return the resulting string.

(substring str start end)

Returns the part of str between start and end.

(string-search token str)

Returns the index of token in str.

(string-trim str)

Removes whitespace from both ends of str.

(string-trim-left str)

Removes whitespace from the beginning of str.

(string-trim-right str)

Removes whitespace from the end of str.

(string-upcase str)

Converts all characters in str to upper case.

(string-downcase str)

Converts all characters in str to lower case.

(get-cell row col)

Returns the value of the cell in (row,col), which may or may not be a string.

(x-get-cell row col buffer)

The same as get-cell, but returns a value from another buffer by specifying the buffer name. The buffer must be loaded.

(get-string row col)

Returns the value of the cell in (row,col) in the form of a string, no matter what is in the cell.

(x-get-string row col buffer)

The same as get-string, but returns a string from another buffer by specifying the buffer name.