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Diffstat (limited to 'doc/autoconf.texi')
| -rw-r--r-- | doc/autoconf.texi | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/doc/autoconf.texi b/doc/autoconf.texi index 5d5f613e..b3c708e8 100644 --- a/doc/autoconf.texi +++ b/doc/autoconf.texi @@ -20368,6 +20368,20 @@ $ @kbd{echo abc | coreutils/tr bc d} add @end example +On platforms with the BusyBox tools, @command{tr} does not support the +@code{[@var{x}*@var{n}]} option syntax. + +@example +$ @kbd{echo abc | tr 'abcd' '[A*4]'} +[A* +$ @kbd{echo abc | coreutils/tr 'abcd' '[A*4]'} +AAA +$ @kbd{echo xyz | tr 'a-z' '[A*]'} +]]] +$ @kbd{echo xyz | coreutils/tr 'a-z' '[A*]'} +AAA +@end example + Posix requires @command{tr} to operate on binary files. But at least Solaris @command{/usr/ucb/tr} and @command{/usr/bin/tr} silently discard @code{NUL} in the input prior to doing any translation. When using |