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Fix incorrect formatting of rbenv-help output under MAWK
In systems that use the MAWK interpreter (the default AWK installed with Ubuntu), the output of `rbenv help <command>` would have no line breaks. The issue is fixed by changing `gsub` to `sub` in the snippet of awk commands that are used to extract documentation comments. I suspect the bug is something to do with the way the '^' and '$' characters are interpreted by different AWK interpreters (per-line vs per-string anchors). If I understand correctly, the purpose of trim() is to remove all line breaks from the start and end of each sections of a command's documentation, in which case `sub` should serve the same purpose.
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1 changed files with 2 additions and 2 deletions
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@ -64,8 +64,8 @@ collect_documentation() {
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}
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function trim(str) {
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gsub(/^\n*/, "", str)
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gsub(/\n*$/, "", str)
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sub(/^\n*/, "", str)
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sub(/\n*$/, "", str)
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return str
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}
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