代码搜索：bash
找到约 5,321 项符合「bash」的源代码
代码结果 5,321
www.eeworm.com/read/374581/2749503
tests var_bash1.tests
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
www.eeworm.com/read/374581/2749504
tests var_bash2.tests
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
www.eeworm.com/read/374581/2749506
right var_bash3.right
a041#c
a041#c
a\041#c
a\041#c
a\041#c
a\041#c
a\041#c
a\041#c
a\041#c
a\c
a\c
a\c
a\\c
a\\c
a\\c
a\tc
a\tc
a\tc
atc
a\tc
www.eeworm.com/read/357352/3016082
tests arith-bash1.tests
# checks for [[ ]]
# && and ||
[[ a && "" ]]; echo $?
[[ a || "" ]]; echo $?
www.eeworm.com/read/357352/3016120
tests var_bash3.tests
a='abc'
r=${a//b/\041#}
echo $r
echo ${a//b/\041#}
echo "${a//b/\041#}"
a='abc'
r=${a//b/\\041#}
echo $r
echo ${a//b/\\041#}
echo "${a//b/\\041#}"
a='abc'
b='\041#'
r=${a//b/$b}
echo $r
echo ${a//b/
www.eeworm.com/read/357352/3016125
right var_bash2.right
abc123xcba123
abx123dcba123
abx123dxba123
abcx23dcba123
abcxxxdcbaxxx
abx
xba123
abx23
abc23dcba123
abcdcba
www.eeworm.com/read/357352/3016126
right var_bash1.right
f
bcdef
abcdef
abcdef
bcde
abcd
abcd
abcdef
bcdef
abcdef
abcdef
abcdef
www.eeworm.com/read/357352/3016127
tests var_bash1.tests
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
www.eeworm.com/read/357352/3016128
tests var_bash2.tests
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