hush/shell/hush_test/hush-vars/var_bash2.tests
Denys Vlasenko 36f774a0cd 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
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(add/remove: 0/0 grow/shrink: 3/1 up/down: 528/-18)           Total: 510 bytes

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-09-05 14:47:58 +02:00

25 lines
505 B
Plaintext
Executable File

var=abc123dcba123
echo ${var/d/x}
echo ${var/c/x}
echo ${var//c/x}
echo ${var/[123]/x}
echo ${var//[123]/x}
echo ${var/c*/x}
echo ${var/*c/x}
# must match longest match: result is "abx23"
echo ${var/c*1/x}
# empty replacement - 2nd slash can be omitted
echo ${var/[123]}
echo ${var//[123]}
### ash doesn't support
### # match only at the beginning:
### echo ${var/#a/x}
### echo ${var/#b/x} # should not match
### echo ${var//#b/x} # should not match
### # match only at the end:
### echo ${var/%3/x}