libformula可能是一个很好的开始。这里的概念证明:
$ excel 'TRIM(" abc 123 ")'
abc 123
其中excel
这是简单的shell脚本:
#!/bin/sh
java -cp /usr/share/java/commons-logging.jar:libformula/demo:libbase/dist/libbase-6.1-SNAPSHOT.jar:libformula/dist/libformula-6.1-SNAPSHOT.jar:/home/cwarden/git/excel/src org.xerus.excel.Excel "$1"
和org.xerus.excel.Excel
需要一个字符串从argv的,并评估它作为一个公式:
package org.xerus.excel;
import org.pentaho.reporting.libraries.formula.EvaluationException;
import org.pentaho.reporting.libraries.formula.Formula;
import org.pentaho.reporting.libraries.formula.DefaultFormulaContext;
import org.pentaho.reporting.libraries.formula.parser.ParseException;
public class Excel {
public static void main(final String[] args) throws ParseException, EvaluationException {
final Formula f = new Formula(args[0]);
f.initialize(new DefaultFormulaContext());
final Object o = f.evaluate();
System.out.println(o);
}
}
libformula包括一个演示程序,org.pentaho.reporting.libraries.formula.demo.PrintAllFunctions
,它打印出所有支持的功能:
Category User-Defined
ARRAYCONCATENATE, ARRAYCONTAINS, ARRAYLEFT, ARRAYMID, CSVARRAY, CSVTEXT, NORMALIZEARRAY, NULL, PARSEDATE, SEQUENCEQUOTER
Category Information
CHOOSE, COUNT, COUNTA, COUNTBLANK, ERROR, HASCHANGED, INDEX, ISBLANK, ISERR, ISERROR, ISEVEN, ISLOGICAL, ISNA, ISNONTEXT, ISNUMBER, ISODD, ISREF, ISTEXT, LOOKUP, NA, VALUE
Category Rounding
INT
Category Mathematical
ABS, ACOS, ACOSH, ASIN, ATAN, ATAN2, AVERAGE, AVERAGEA, COS, EVEN, EXP, LN, LOG10, MAX, MAXA, MIN, MINA, MOD, N, ODD, PI, POWER, SIN, SQRT, SUM, SUMA, VAR
Category Text
ARRAYRIGHT, ASC, CHAR, CLEAN, CODE, CONCATENATE, EXACT, FIND, FIXED, FIXED, LEFT, LEN, LOWER, MESSAGE, MID, PROPER, REPLACE, REPT, RIGHT, SEARCH, STRINGCOUNT, SUBSTITUTE, T, TEXT, TRIM, UNICHAR, UNICODE, UPPER, URLENCODE
Category Date/Time
DATE, DATEDIF, DATETIMEVALUE, DATEVALUE, DAY, DAYS, HOUR, MINUTE, MONTH, MONTHEND, NOW, PREVWEEKDAY, SECOND, TIME, TIMEVALUE, TODAY, WEEKDAY, YEAR, YESTERDAY
Category Logical
AND, FALSE, IF, IFNA, NOT, OR, TRUE, XOR
Category Database
BEGINSWITH, CONTAINS, ENDSWITH, EQUALS, IN, LIKE
也许可以使用LibreOffice(这可能是Python脚本编写的)。但是这是一个谣言,我不知道细节 –
如果你的公式很简单,你可以使用其他语言编写它们(Common Lisp,Python,Lua,C++,...) –
如果你只是想要函数而不是与excel文件交互,我还建议寻找Python之类的东西。 – Holloway