ref: 527bad788adf057d71faa98ed6e09952395abe50
dir: /libregex/redump.myr/
use std use bio use regex const main = {args var cmd, opts var fd opts = [ .argdesc = "regex [inputs...]", .minargs = 1 ] cmd = std.optparse(args, &opts) match regex.dbgcompile(cmd.args[0]) | `std.Fail m: std.fatal("unable to compile regex: {}\n", regex.failmsg(m)) | `std.Ok re: if cmd.args.len > 1 runall(re, cmd.args) else fd = bio.mkfile(0, bio.Rd) dump(re, fd) bio.close(fd) ;; ;; } const runall = {re, files for f in files match bio.open(f, bio.Rd) | `std.Some fd: dump(re, fd) bio.close(fd) | `std.None: std.fatal("failed to open {}\n", f) ;; ;; } const dump = {re, fd while true match bio.readln(fd) | `std.Some ln: show(regex.exec(re, ln)) std.slfree(ln) | `std.None: break ;; ;; } const show = {mg var i match mg | `std.Some rl: std.put("Matched: {}\n", rl[0]) for i = 1; i < rl.len; i++ std.put("group {}: {}\n", i, rl[i]) ;; | `std.None: std.put("Match failed\n") ;; }