diff options
-rwxr-xr-x | split_pipes | 30 |
1 files changed, 28 insertions, 2 deletions
diff --git a/split_pipes b/split_pipes index eeba69b..dd93d92 100755 --- a/split_pipes +++ b/split_pipes @@ -7,13 +7,35 @@ STDOUT.set_encoding 'utf-8' cfg = Trollop::options do banner "splitpipes -f <n> < <input>" - opt :field, "field", :type => :int + opt :field, "field", :type => :int, :required => true + opt :to, "to", :type => :int, :default => nil +end + + +a = [] +range = false +if cfg[:to] + range = true +end + +if range + if cfg[:field] >= cfg[:to] + STDERR.write "field >= to, exiting\n" + exit + end +end + +if cfg[:field]<=0 || (range && cfg[:to]<=0) + STDERR.write "field or to <= 0, exiting" + exit end while line = STDIN.gets j = 1 line.strip.split(' ||| ').each { |i| - if j == cfg[:field] + if range && (cfg[:field]..cfg[:to]).include?(j) + a << i.strip + elsif j == cfg[:field] puts i.strip break end @@ -21,3 +43,7 @@ while line = STDIN.gets } end +if cfg[:to] + puts a.join " ||| " +end + |