50 lines
1,000 B
Text
50 lines
1,000 B
Text
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# inconsistency with quoted pattern substitution patterns through bash-4.2
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# fixed in a ksh93-compatible (and Posix-compatible, in general) way
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# NOT backwards compatible
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test="weferfds'dsfsdf"
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# why does this work, this list was born of frustration, I tried
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# everything I could think of.
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echo \'${test//"'"/\'\\\'\'}\'" "
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#but none of the following
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echo "'${test//"'"/}'"
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echo "'${test//"'"/"'\\''"}'"
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echo "'${test//"'"/\'\\'\'}'"
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#echo "'${test//'/}'" # hangs waiting for '
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#echo "'${test//"'"/'\\''}'" # hangs waiting for '
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unset test
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test=teststrtest
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echo "${test//str/"dd dd"}"
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echo ${test//str/"dd '\''dd"}
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unset test
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test=teststring
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echo "${test//str/"dddd"}"
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echo ${test//str/"dddd"}
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echo ${test//str/"'"}
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echo "${test//str/"'"}"
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#echo "${test//str/'}" # hangs
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test=test\'string
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echo "${test//"'"/"'"}"
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x="a'b'c"; echo "${x//\'/\'}"
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printf '%s\n' "foo ${IFS+"b c"} baz"
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# this is where the default behavior differs from posix
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set -o posix
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echo "foo ${IFS+'bar} baz"
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