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|
shopt -s expand_aliases
# from an austin-group report
alias foo="echo 'Error:"
foo bar'
# from some FreeBSD sh tests
v=1
alias a='unalias -a
v=2'
eval a
[ "$v" = 2 ] && echo ok 1
v=1
alias a='unalias a
v=2'
eval a
[ "$v" = 2 ] && echo ok 2
# make sure command doesn't ever reset anything even if it's made a keyword
unalias -a
alias command=command
alias true='echo bad'
eval 'command true'
unalias -a
alias alias0=command
alias true='echo bad'
eval 'alias0 true'
# make sure null aliases are ok
unalias -a
alias nullalias=''
alias foo='echo '
foo nullalias text
unalias foo
# aliases shouldn't be expanded in quoted strings even when the previous word
# is an alias whose expansion ends in a space
alias foo="echo 'whoops: "
foo nullalias'
unalias -a
# recursive alias definitions
alias echo=echo
eval echo foo
alias echo='echo a'
echo
echo b
eval echo b
echo $(eval echo b)
unalias -a
# alias expansion when in a command position after redirections
alias e=echo
eval '</dev/null e ok 3'
eval 'a=true e ok 4'
alias comment=#
comment
alias long_comment='# for x in '
long_comment text after
# comment
comment foo bar
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