RFR v4 - 8027634: Support @argfiles for java command-line tool

Henry Jen henry.jen at oracle.com
Sat Aug 8 07:03:39 UTC 2015


Another update for argument file support, this version we added a couple measures to ensure compatibility,

1) Compile time directive ENABLE_ARG_FILES is needed to enable the feature, only java is enabled with this webrev.
2) Escape @argument if so desired: Additional prefixes of @ to a @ prefixed option will  act as an escape, ie. the first @ will be removed and the rest of the arguments presented to the launcher literally.
For example:
java @ foo  gets arguments of @ foo
java @filename, filename expanded
java @@filename will have the leading @ removed and reduced to literal @filename
java @@@filenamewill have the leading @ removed and reduced to literal @@filename
 3) The option '-Xdisable- at files' can be used on the command line anywhere to prevent further @filename expansion.
 4) Limit the file size must not exceed MAXINT (2, 147, 483, 647) bytes.

Webrev at http://cr.openjdk.java.net/~henryjen/jdk9/8027634/v4/webrev/


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