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|
a=$'a\001b'
set $a
b=$a
c=$1
d="$1"
e=$'uv\001\001wx'
f=$'uv\001w\001xy'
set $e $e
recho ${e%%??}
recho "${e%%??}"
recho ${e%%???}
recho "${e%%???}"
recho ${a#?}
recho "${a#?}"
# simple variables
recho ${f##*$'\001'}
recho "${f##*$'\001'}"
recho ${f##*''} # literal ^A
recho "${f##*'^A'}" # two characters, `^' and `A'
recho ${e%$'\001'*}
recho "${e%$'\001'*}"
recho ${e#*$'\001'}
recho "${e#*$'\001'}"
# array members
arr[0]=$e
arr[1]=$f
recho ${arr[1]##*$'\001'}
recho "${arr[1]##*$'\001'}"
recho ${arr[1]##*''} # literal ^A
recho "${arr[1]##*'^A'}" # two characters, `^' and `A'
recho ${arr[0]%$'\001'*}
recho "${arr[0]%$'\001'*}"
recho ${arr[0]#*$'\001'}
recho "${arr[0]#*$'\001'}"
recho ${arr%$'\001'*}
recho "${arr%$'\001'*}"
recho ${arr#*$'\001'}
recho "${arr#*$'\001'}"
# positional parameters
set $e $f
recho ${2##*$'\001'}
recho "${2##*$'\001'}"
recho ${2##*''} # literal ^A
recho "${2##*''}" # literal ^A
recho ${2##*'^A'} # two characters, `^' and `A'
recho "${2##*'^A'}" # two characters, `^' and `A'
recho ${1%$'\001'*}
recho "${1%$'\001'*}"
recho ${1#*$'\001'}
recho "${1#*$'\001'}"
recho ${@%$'\001'*}
recho "${@%$'\001'*}"
recho ${@#*$'\001'}
recho "${@#*$'\001'}"
recho ${@##*''} # literal ^A
recho "${@##*'^A'}" # two characters, `^' and `A'
# arrays treated as a whole
recho ${arr[@]%$'\001'*}
recho "${arr[@]%$'\001'*}"
recho ${arr[@]#*$'\001'}
recho "${arr[@]#*$'\001'}"
recho ${arr[@]##*''} # literal ^A
recho "${arr[@]##*'^A'}" # two characters, `^' and `A'
|
