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# File 'lib/inplace.rb', line 45
def main(argv)
$uninterruptible = $interrupt = false
[:SIGINT, :SIGQUIT, :SIGTERM].each { |sig|
trap(sig) {
if $uninterruptible
$interrupt = true
else
interrupt
end
}
}
usage = "usage: \#{MYNAME} [-Lfinstvz] [-b SUFFIX] COMMANDLINE [file ...]\n\#{MYNAME} [-Lfinstvz] [-b SUFFIX] [-e COMMANDLINE] [file ...]\n"
banner = "\#{MYNAME} version \#{Inplace::VERSION}\n\nEdits files in-place through given filter commands.\n\n\#{usage}\n"
filters = []
$config = Inplace::Config.new
file = File.expand_path("~/.inplace")
$config.load(file) if File.exist?(file)
opts = OptionParser.new(banner, 24) { |opts|
nextline = "\n" << opts.summary_indent << " " * opts.summary_width << " "
opts.on("-h", "--help",
"Show this message.") {
print opts
exit 0
}
opts.on("-L", "--dereference",
"Edit the original file for each symlink.") {
|b| $dereference = b
}
opts.on("-b", "--backup-suffix=SUFFIX",
"Create a backup file with the SUFFIX for each file." << nextline <<
"Backup files will be written over existing files," << nextline <<
"if any.") {
|s| $backup_suffix = s
}
opts.on("-D", "--debug",
"Turn on debug mode.") {
|b| $debug = b and $verbose = true
}
opts.on("-e", "--execute=COMMANDLINE",
"Run COMMANDLINE for each file in which the following" << nextline <<
"placeholders can be used:" << nextline <<
" %0: replaced by the original file path" << nextline <<
" %1: replaced by the source file path" << nextline <<
" %2: replaced by the destination file path" << nextline <<
" %%: replaced by a %" << nextline <<
"Missing %2 indicates %1 is modified destructively," << nextline <<
"and missing both %1 and %2 implies \"(...) < %1 > %2\"" << nextline <<
"around the command line.") {
|s| filters << FileFilter.new($config.expand_alias(s))
}
opts.on("-f", "--force",
"Force editing even if a file is read-only.") {
|b| $force = b
}
opts.on("-i", "--preserve-inode",
"Make sure to preserve the inode number of each file.") {
|b| $preserve_inode = b
}
opts.on("-n", "--dry-run",
"Just show what would have been done.") {
|b| $dry_run = b and $verbose = true
}
opts.on("-s", "--same-directory",
"Create a temporary file in the same directory as" << nextline <<
"each replaced file.") {
|b| $same_directory = b
}
opts.on("-t", "--preserve-timestamp",
"Preserve the modification time of each file.") {
|b| $preserve_time = b
}
opts.on("-v", "--verbose",
"Turn on verbose mode.") {
|b| $verbose = b
}
opts.on("-z", "--accept-empty",
"Accept empty (zero-sized) output.") {
|b| $accept_empty = b
}
}
setup()
files = opts.order(*argv)
if filters.empty? && !files.empty?
filters << FileFilter.new($config.expand_alias(files.shift))
end
if files.empty?
STDERR.puts "No files to process given.", ""
print opts
exit 2
end
case filters.size
when 0
STDERR.puts "No filter command line to execute given.", ""
print opts
exit 1
when 1
filter = filters.first
files.each { |file|
begin
filter.filter!(file, file)
rescue => e
STDERR.puts "#{file}: skipped: #{e}"
end
}
else
files.each { |file|
tmpfile = FileFilter.make_tmpfile_for(file)
first, last = 0, filters.size - 1
begin
filters.each_with_index { |filter, i|
if i == first
filter.filter(file, file, tmpfile)
elsif i == last
filter.filter(file, tmpfile, file)
else
filter.filter!(file, tmpfile)
end
}
rescue => e
STDERR.puts "#{file}: skipped: #{e}"
end
}
end
rescue OptionParser::ParseError => e
STDERR.puts "#{MYNAME}: #{e}", usage
exit 64
rescue => e
STDERR.puts "#{MYNAME}: #{e}"
exit 1
end
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