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Assist in manual conversion of Perl code to Go (golang) code
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#!/usr/bin/perl -p | |
use strict; | |
use warnings; | |
# Comment | |
if (s|^(\s*)#|$1//|) { | |
# convert variable names | |
s/[\$\%\@]([a-z][0-9a-z]*)/$1/g; | |
next; | |
} | |
s/^sub +(.*) *\{/func $1/; | |
# Parameter list, first | |
s/my *(\(.+\)) *= *\@_/$1 {/; | |
s/\b next \b/continue/x; | |
s/\b last \b/break/x; | |
s/ (\w+) \s+ if \s+ (.*) ; $/if $2 { $1 }/x; | |
s/ eq / == /g; | |
s/ ne / != /g; | |
s/[ ] print \( / fmt.Print(/x; | |
s/[ ] print [ ] ([^,"']+) [ ] ([^;]+) ; / fmt.Fprint($1, $2)/x; | |
s/[ ] print [ ] ([^;]+) ;/ fmt.Print($1)/x; | |
# Dereference, fixed key | |
s/->\{(\w+)}/.$1/g; | |
# Dereference, variable | |
s/->\{(\$\w+)}/[$1]/g; | |
# Hash access, fixed key | |
s/(\w)\{(\w+)}/$1.$2/g; | |
# Hash access, variable | |
s/(\w)\{(\$\w+)}/$1\[$2\]/g; | |
# scalar and hash variable | |
s/[\$\%]([a-z][0-9a-z]*)/$1/g; | |
# array variable | |
s/@(\w+)/$1/g; | |
# Strings | |
s/'([^']*)'/"$1"/g; | |
# semicolon | |
s/;$//; | |
s/for +my *(\w+) *\((.*)\) *\{/for _, $1 := range $2 {/; | |
s/elsif [ ]* \((.*)\) [ ]* \{/else if $1 {/x; | |
s/if [ ]* \((.*)\) [ ]* \{/if $1 {/x; | |
s/my [ ]* (\w+) [ ]+ =/$1 :=/x; | |
s/my [ ]* \((.+)\) [ ]+ =/$1 :=/x; | |
s/my [ ]+ (\w+)/var $1/x; | |
s/\b not \b/!/gx; | |
s/\b and \b/&&/gx; | |
s/\b or \b/||/gx; | |
# Snake case to camel case | |
s/_([a-z0-9]+)/\u$1/g; |
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