refactor: simplify sed/awk/grep uses, etc.#1574
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akinomyoga wants to merge 6 commits intoscop:mainfrom
Open
refactor: simplify sed/awk/grep uses, etc.#1574akinomyoga wants to merge 6 commits intoscop:mainfrom
akinomyoga wants to merge 6 commits intoscop:mainfrom
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The variable "prefix" is explicitly initialized when it is declared, so we do not need to explicitly set it to an empty string on this line.
The current implementation does not work for several reasons.
* First, for the selection "|" to work, one needs to enclose the
entire pattern with "@()". The option argument of the "-X" option is
not a regular expression, but an extended glob pattern.
* Next, the option argument of the "-X" option should not be singly
quoted in the present case because command substitutions in the
option argument of "-X" is not going to be expanded.
* Also, one also wants to quote the word of the here string. In Bash
< 4.4, the word of the here string is subject to word splitting, so
it may be affected by IFS.
In addition, we actually do not need to use the "tr" command. We can
reduce the spawn cost by using "${words[*]}" with an appropriate value
of IFS.
"_comp_cmd_tshark__{prefs,protocols}" are mutable global variables
used to cache the prefixes and protocols, so they should have "_mut_"
in the variable names.
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