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- # first try some invalid patterns
- # do all of these in subshells since it's supposed to error out
- # (set argv0 to "SHELL" to avoid "/path/to/shell: blah" in error messages)
- export var=0123456789
- "$THIS_SH" -c 'echo ${:}' SHELL
- "$THIS_SH" -c 'echo ${::}' SHELL
- "$THIS_SH" -c 'echo ${:1}' SHELL
- "$THIS_SH" -c 'echo ${::1}' SHELL
- #this also is not valid in bash, hush accepts it:
- "$THIS_SH" -c 'echo ${var:}' SHELL
- # then some funky ones
- "$THIS_SH" -c 'echo ${?:0}' SHELL
- # now some valid ones
- set --; echo "1 =|${1}|"
- set --; echo "1:1 =|${1:1}|"
- set --; echo "1:1:2=|${1:1:2}|"
- set --; echo "1::2 =|${1::2}|"
- set --; echo "1:1: =|${1:1:}|"
- set --; echo "1:: =|${1::}|"
- set -- 0123; echo "1 =|${1}|"
- set -- 0123; echo "1:1 =|${1:1}|"
- set -- 0123; echo "1:1:2=|${1:1:2}|"
- set -- 0123; echo "1::2 =|${1::2}|"
- set -- 0123; echo "1:1: =|${1:1:}|"
- set -- 0123; echo "1:: =|${1::}|"
- unset f; echo "f =|$f|"
- unset f; echo "f:1 =|${f:1}|"
- unset f; echo "f:1:2=|${f:1:2}|"
- unset f; echo "f::2 =|${f::2}|"
- unset f; echo "f:1: =|${f:1:}|"
- unset f; echo "f:: =|${f::}|"
- f=; echo "f =|$f|"
- f=; echo "f:1 =|${f:1}|"
- f=; echo "f:1:2=|${f:1:2}|"
- f=; echo "f::2 =|${f::2}|"
- f=; echo "f:1: =|${f:1:}|"
- f=; echo "f:: =|${f::}|"
- f=a; echo "f =|$f|"
- f=a; echo "f:1 =|${f:1}|"
- f=a; echo "f:1:2=|${f:1:2}|"
- f=a; echo "f::2 =|${f::2}|"
- f=a; echo "f:1: =|${f:1:}|"
- f=a; echo "f:: =|${f::}|"
- f=0123456789; echo "f =|$f|"
- f=0123456789; echo "f:1 =|${f:1}|"
- f=0123456789; echo "f:1:2=|${f:1:2}|"
- f=0123456789; echo "f::2 =|${f::2}|"
- f=0123456789; echo "f:1: =|${f:1:}|"
- f=0123456789; echo "f:: =|${f::}|"
- echo "Substrings from special vars"
- echo '? '"=|$?|"
- echo '?:1 '"=|${?:1}|"
- echo '?:1:2'"=|${?:1:2}|"
- echo '?::2 '"=|${?::2}|"
- echo '?:1: '"=|${?:1:}|"
- echo '?:: '"=|${?::}|"
- set -- 1 2 3 4 5 6 7 8 9 10 11
- echo '# '"=|$#|"
- echo '#:1 '"=|${#:1}|"
- echo '#:1:2'"=|${#:1:2}|"
- echo '#::2 '"=|${#::2}|"
- echo '#:1: '"=|${#:1:}|"
- echo '#:: '"=|${#::}|"
- echo "Substrings with expressions"
- f=01234567; echo 'f '"=|$f|"
- f=01234567; echo 'f:1+1:2+2 '"=|${f:1+1:2+2}|"
- f=01234567; echo 'f:-1:2+2 '"=|${f:-1:2+2}|"
- f=01234567; echo 'f:1:f '"=|${f:1:f}|"
- f=01234567; echo 'f:1:$f '"=|${f:1:$f}|"
- f=01234567; echo 'f:1:${f} '"=|${f:1:${f}}|"
- f=01234567; echo 'f:1:${f:3:1} '"=|${f:1:${f:3:1}}|"
- f=01234567; echo 'f:1:1`echo 1`'"=|${f:1:`echo 1`}|"
- echo Done
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