.zip文件格式(以.jar格式为基础)在文件前面有额外数据的情况下似乎很健壮。因此,如果您使用
cat
命令将shebang放在jar文件中的zip数据之前,并使该文件可执行,然后您可以像调用任何普通shell脚本一样调用jar文件。
例如:
(注意
unzip -l
命令只是为了说明这一点。它不会改变任何关于.jar的内容,当您实际执行此过程时可以忽略。)
[bloom@cat-in-the-hat ~]$ java -jar tex4ht.jar
xtpipes (2009-01-27-22:19)
Command line options:
java xtpipes [-trace] [-help] [-m] [-E] [-s script_file] [-S script_map]
[-i script_dir] [-o out_file]
[-x...ml2xml_arg...] (-d in_data | in_file)
-m messages printing mode
-E error messages into exception calls
in_data XML data directly into the command line
[bloom@cat-in-the-hat ~]$ cat header.txt
#!/usr/bin/java -jar
[bloom@cat-in-the-hat ~]$ cat header.txt tex4ht.jar > tex4ht_exe.jar
[bloom@cat-in-the-hat ~]$ unzip -l tex4ht_exe.jar
Archive: tex4ht_exe.jar
warning [tex4ht_exe.jar]: 21 extra bytes at beginning or within zipfile
(attempting to process anyway)
Length Date Time Name
--------- ---------- ----- ----
0 2009-07-09 15:48 META-INF/
42 2009-07-09 15:47 META-INF/MANIFEST.MF
0 2009-07-09 15:48 ./
0 2009-07-09 15:48 tex4ht/
2217 2009-07-09 15:48 tex4ht/DbUtilities.class
2086 2009-07-09 15:48 tex4ht/GroupMn.class
6064 2009-07-09 15:48 tex4ht/HtJsml.class
4176 2009-07-09 15:48 tex4ht/HtSpk.class
1551 2009-07-09 15:48 tex4ht/JsmlFilter.class
2001 2009-07-09 15:48 tex4ht/JsmlMathBreak.class
6172 2009-07-09 15:48 tex4ht/OoFilter.class
3449 2009-07-09 15:48 tex4ht/OoUtilities.class
1468 2009-07-09 15:48 tex4ht/OomFilter.class
346 2009-07-09 15:48 xtpipes.class
0 2009-07-09 15:48 xtpipes/
4071 2009-07-09 15:48 xtpipes/FileInfo.class
6904 2009-07-09 15:48 xtpipes/InputObject.class
25906 2009-07-09 15:48 xtpipes/Xtpipes.class
1238 2009-07-09 15:48 xtpipes/Xtpipes$5.class
713 2009-07-09 15:48 xtpipes/Xtpipes$3.class
1533 2009-07-09 15:48 xtpipes/Xtpipes$1.class
709 2009-07-09 15:48 xtpipes/Xtpipes$7.class
1294 2009-07-09 15:48 xtpipes/XtpipesEntityResolver.class
1235 2009-07-09 15:48 xtpipes/Xtpipes$6.class
3367 2009-07-09 15:48 xtpipes/Xtpipes$4.class
709 2009-07-09 15:48 xtpipes/Xtpipes$8.class
1136 2009-07-09 15:48 xtpipes/Xtpipes$2.class
875 2009-07-09 15:48 xtpipes/XtpipesPrintWriter.class
1562 2009-07-09 15:48 xtpipes/XtpipesUni.class
0 2009-07-09 15:48 xtpipes/util/
5720 2009-07-09 15:48 xtpipes/util/ScriptsManager.class
1377 2009-07-09 15:48 xtpipes/util/ScriptsManagerLH.class
--------- -------
87921 32 files
[bloom@cat-in-the-hat ~]$ chmod +x tex4ht_exe.jar
[bloom@cat-in-the-hat ~]$ ./tex4ht_exe.jar
xtpipes (2009-01-27-22:19)
Command line options:
java xtpipes [-trace] [-help] [-m] [-E] [-s script_file] [-S script_map]
[-i script_dir] [-o out_file]
[-x...ml2xml_arg...] (-d in_data | in_file)
-m messages printing mode
-E error messages into exception calls
in_data XML data directly into the command line