hush: add support for ${var/pattern/repl}, conditional on bash compat

function                                             old     new   delta
expand_vars_to_list                                 2386    2833    +447
expand_string_to_string                               69     110     +41
parse_dollar                                         681     721     +40
hush_main                                            963     945     -18
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 3/1 up/down: 528/-18)           Total: 510 bytes

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
This commit is contained in:
Denys Vlasenko
2010-09-05 14:45:38 +02:00
parent 701e127f7d
commit 36f774a0cd
12 changed files with 362 additions and 36 deletions

View File

@@ -0,0 +1,18 @@
var=abcdef
echo ${var:7}
echo ${var:6}
echo ${var:5}
echo ${var:1}
echo ${var:0}
echo ${var:-1}
echo ${var:1:4}
echo ${var:0:4}
echo ${var::4}
echo ${var:-1:4}
echo ${var:1:7}
echo ${var:0:7}
echo ${var::7}
echo ${var:-1:7}