SHELL: line 1: syntax error: bad substitution
SHELL: line 1: syntax error: bad substitution
SHELL: line 1: syntax error: bad substitution
SHELL: line 1: syntax error: bad substitution
SHELL: line 1: syntax error: missing '}'
0
1    =||
1:1  =||
1:1:2=||
1::2 =||
1:1: =||
1::  =||
1    =|0123|
1:1  =|123|
1:1:2=|12|
1::2 =|01|
1:1: =||
1::  =||
f    =||
f:1  =||
f:1:2=||
f::2 =||
f:1: =||
f::  =||
f    =||
f:1  =||
f:1:2=||
f::2 =||
f:1: =||
f::  =||
f    =|a|
f:1  =||
f:1:2=||
f::2 =|a|
f:1: =||
f::  =||
f    =|0123456789|
f:1  =|123456789|
f:1:2=|12|
f::2 =|01|
f:1: =||
f::  =||
Substrings from special vars
?    =|0|
?:1  =||
?:1:2=||
?::2 =|0|
?:1: =||
?::  =||
#    =|11|
#:1  =|1|
#:1:2=|1|
#::2 =|11|
#:1: =||
#::  =||
Substrings with expressions
f            =|01234567|
f:1+1:2+2    =|2345|
f:-1:2+2     =|01234567|
f:1:f        =|1234567|
f:1:$f       =|1234567|
f:1:${f}     =|1234567|
f:1:${f:3:1} =|123|
f:1:1`echo 1`=|1|
Done