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+--------+-------------------------+-------------------------+--------+--------+
|00000000| 46 72 6f 6d 3a 20 6d 69 | 63 40 75 74 2d 65 6d 78 |From: mi|c@ut-emx|
|00000010| 2e 75 75 63 70 20 28 4d | 69 63 20 4b 61 63 7a 6d |.uucp (M|ic Kaczm|
|00000020| 61 72 63 7a 69 6b 29 0a | 4e 65 77 73 67 72 6f 75 |arczik).|Newsgrou|
|00000030| 70 73 3a 20 61 6c 74 2e | 73 6f 75 72 63 65 73 2c |ps: alt.|sources,|
|00000040| 63 6f 6d 70 2e 6d 61 69 | 6c 2e 6d 69 73 63 0a 53 |comp.mai|l.misc.S|
|00000050| 75 62 6a 65 63 74 3a 20 | 52 65 3a 20 41 6c 69 61 |ubject: |Re: Alia|
|00000060| 73 20 4c 69 73 74 65 72 | 20 46 6f 72 20 55 73 65 |s Lister| For Use|
|00000070| 72 73 0a 4d 65 73 73 61 | 67 65 2d 49 44 3a 20 3c |rs.Messa|ge-ID: <|
|00000080| 33 39 39 32 39 40 75 74 | 2d 65 6d 78 2e 75 75 63 |39929@ut|-emx.uuc|
|00000090| 70 3e 0a 44 61 74 65 3a | 20 31 39 20 4e 6f 76 20 |p>.Date:| 19 Nov |
|000000a0| 39 30 20 30 34 3a 30 39 | 3a 31 30 20 47 4d 54 0a |90 04:09|:10 GMT.|
|000000b0| 0a 49 6e 20 61 72 74 69 | 63 6c 65 20 3c 31 39 39 |.In arti|cle <199|
|000000c0| 30 4e 6f 76 31 37 2e 30 | 32 33 33 35 31 2e 31 36 |0Nov17.0|23351.16|
|000000d0| 38 32 34 40 6c 6f 6b 6b | 75 72 2e 64 65 78 74 65 |824@lokk|ur.dexte|
|000000e0| 72 2e 6d 69 2e 75 73 3e | 0a 73 63 73 40 6c 6f 6b |r.mi.us>|.scs@lok|
|000000f0| 6b 75 72 2e 64 65 78 74 | 65 72 2e 6d 69 2e 75 73 |kur.dext|er.mi.us|
|00000100| 20 28 53 74 65 76 65 20 | 53 69 6d 6d 6f 6e 73 29 | (Steve |Simmons)|
|00000110| 20 70 6f 73 74 65 64 20 | 61 20 73 65 6e 64 6d 61 | posted |a sendma|
|00000120| 69 6c 20 61 6c 69 61 73 | 0a 65 78 70 61 6e 64 65 |il alias|.expande|
|00000130| 72 20 74 68 61 74 20 75 | 73 65 64 20 73 65 6e 64 |r that u|sed send|
|00000140| 6d 61 69 6c 20 2d 62 76 | 20 74 6f 20 76 65 72 69 |mail -bv| to veri|
|00000150| 66 79 20 74 68 65 20 61 | 6c 69 61 73 2e 20 20 4f |fy the a|lias.  O|
|00000160| 6e 65 20 61 64 76 61 6e | 74 61 67 65 20 6f 66 0a |ne advan|tage of.|
|00000170| 75 73 69 6e 67 20 73 65 | 6e 64 6d 61 69 6c 20 69 |using se|ndmail i|
|00000180| 6e 73 74 65 61 64 20 6f | 66 20 70 61 72 73 69 6e |nstead o|f parsin|
|00000190| 67 20 74 68 65 20 61 6c | 69 61 73 20 64 61 74 61 |g the al|ias data|
|000001a0| 62 61 73 65 20 64 69 72 | 65 63 74 6c 79 20 69 73 |base dir|ectly is|
|000001b0| 20 74 68 61 74 0a 69 74 | 20 77 6f 72 6b 73 20 6f | that.it| works o|
|000001c0| 6e 20 73 79 73 74 65 6d | 73 20 77 68 65 72 65 20 |n system|s where |
|000001d0| 74 68 65 20 61 6c 69 61 | 73 20 66 69 6c 65 20 69 |the alia|s file i|
|000001e0| 73 20 64 69 73 74 72 69 | 62 75 74 65 64 20 75 73 |s distri|buted us|
|000001f0| 69 6e 67 20 53 75 6e 27 | 73 0a 4e 49 53 20 28 6e |ing Sun'|s.NIS (n|
|00000200| 65 65 20 59 65 6c 6c 6f | 77 20 50 61 67 65 73 29 |ee Yello|w Pages)|
|00000210| 20 6e 65 74 77 6f 72 6b | 20 64 61 74 61 62 61 73 | network| databas|
|00000220| 65 2c 20 69 6e 73 74 65 | 61 64 20 6f 66 20 62 65 |e, inste|ad of be|
|00000230| 69 6e 67 20 61 20 66 69 | 6c 65 20 6f 6e 0a 64 69 |ing a fi|le on.di|
|00000240| 73 6b 2e 20 0a 0a 54 68 | 65 20 73 63 72 69 70 74 |sk. ..Th|e script|
|00000250| 20 62 65 6c 6f 77 20 75 | 73 65 73 20 74 68 65 20 | below u|ses the |
|00000260| 73 61 6d 65 20 69 64 65 | 61 20 61 73 20 53 74 65 |same ide|a as Ste|
|00000270| 76 65 27 73 20 73 63 72 | 69 70 74 20 28 6d 61 6b |ve's scr|ipt (mak|
|00000280| 65 20 2a 73 65 6e 64 6d | 61 69 6c 2a 0a 66 69 67 |e *sendm|ail*.fig|
|00000290| 75 72 65 20 74 68 69 6e | 67 73 20 6f 75 74 29 2c |ure thin|gs out),|
|000002a0| 20 62 75 74 20 69 6e 73 | 74 65 61 64 20 75 73 65 | but ins|tead use|
|000002b0| 73 20 74 68 65 20 53 4d | 54 50 20 45 58 50 4e 20 |s the SM|TP EXPN |
|000002c0| 63 6f 6d 6d 61 6e 64 20 | 61 6e 64 20 70 61 72 73 |command |and pars|
|000002d0| 65 73 0a 74 68 65 20 73 | 65 72 76 65 72 27 73 20 |es.the s|erver's |
|000002e0| 72 65 73 70 6f 6e 73 65 | 2e 20 20 53 69 6e 63 65 |response|.  Since|
|000002f0| 20 49 20 68 61 76 65 6e | 27 74 20 73 65 65 6e 20 | I haven|'t seen |
|00000300| 74 6f 6f 20 6d 75 63 68 | 20 75 73 65 20 6f 66 20 |too much| use of |
|00000310| 74 68 65 0a 53 4d 54 50 | 2d 74 68 72 6f 75 67 68 |the.SMTP|-through|
|00000320| 2d 61 2d 70 69 70 65 20 | 74 65 63 68 6e 69 71 75 |-a-pipe |techniqu|
|00000330| 65 20 65 6c 73 65 77 68 | 65 72 65 20 28 6d 61 79 |e elsewh|ere (may|
|00000340| 62 65 20 66 6f 72 20 67 | 6f 6f 64 20 72 65 61 73 |be for g|ood reas|
|00000350| 6f 6e 73 20 3a 2d 29 2c | 0a 68 65 72 65 20 27 74 |ons :-),|.here 't|
|00000360| 69 73 2e 20 0a 0a 2d 2d | 6d 69 63 2d 2d 0a 0a 2d |is. ..--|mic--..-|
|00000370| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00000380| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00000390| 2d 2d 2d 43 55 54 20 48 | 45 52 45 2d 2d 2d 2d 2d |---CUT H|ERE-----|
|000003a0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|000003b0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 0a 23 |--------|------.#|
|000003c0| 21 20 2f 62 69 6e 2f 73 | 68 0a 23 20 54 68 69 73 |! /bin/s|h.# This|
|000003d0| 20 69 73 20 61 20 73 68 | 65 6c 6c 20 61 72 63 68 | is a sh|ell arch|
|000003e0| 69 76 65 2e 20 20 52 65 | 6d 6f 76 65 20 61 6e 79 |ive.  Re|move any|
|000003f0| 74 68 69 6e 67 20 62 65 | 66 6f 72 65 20 74 68 69 |thing be|fore thi|
|00000400| 73 20 6c 69 6e 65 2c 20 | 74 68 65 6e 20 75 6e 70 |s line, |then unp|
|00000410| 61 63 6b 0a 23 20 69 74 | 20 62 79 20 73 61 76 69 |ack.# it| by savi|
|00000420| 6e 67 20 69 74 20 69 6e | 74 6f 20 61 20 66 69 6c |ng it in|to a fil|
|00000430| 65 20 61 6e 64 20 74 79 | 70 69 6e 67 20 22 73 68 |e and ty|ping "sh|
|00000440| 20 66 69 6c 65 22 2e 20 | 20 54 6f 20 6f 76 65 72 | file". | To over|
|00000450| 77 72 69 74 65 20 65 78 | 69 73 74 69 6e 67 0a 23 |write ex|isting.#|
|00000460| 20 66 69 6c 65 73 2c 20 | 74 79 70 65 20 22 73 68 | files, |type "sh|
|00000470| 20 66 69 6c 65 20 2d 63 | 22 2e 20 20 59 6f 75 20 | file -c|".  You |
|00000480| 63 61 6e 20 61 6c 73 6f | 20 66 65 65 64 20 74 68 |can also| feed th|
|00000490| 69 73 20 61 73 20 73 74 | 61 6e 64 61 72 64 20 69 |is as st|andard i|
|000004a0| 6e 70 75 74 20 76 69 61 | 0a 23 20 75 6e 73 68 61 |nput via|.# unsha|
|000004b0| 72 2c 20 6f 72 20 62 79 | 20 74 79 70 69 6e 67 20 |r, or by| typing |
|000004c0| 22 73 68 20 3c 66 69 6c | 65 22 2c 20 65 2e 67 2e |"sh <fil|e", e.g.|
|000004d0| 2e 20 20 49 66 20 74 68 | 69 73 20 61 72 63 68 69 |.  If th|is archi|
|000004e0| 76 65 20 69 73 20 63 6f | 6d 70 6c 65 74 65 2c 20 |ve is co|mplete, |
|000004f0| 79 6f 75 0a 23 20 77 69 | 6c 6c 20 73 65 65 20 74 |you.# wi|ll see t|
|00000500| 68 65 20 66 6f 6c 6c 6f | 77 69 6e 67 20 6d 65 73 |he follo|wing mes|
|00000510| 73 61 67 65 20 61 74 20 | 74 68 65 20 65 6e 64 3a |sage at |the end:|
|00000520| 0a 23 09 09 22 45 6e 64 | 20 6f 66 20 73 68 65 6c |.#.."End| of shel|
|00000530| 6c 20 61 72 63 68 69 76 | 65 2e 22 0a 23 20 43 6f |l archiv|e.".# Co|
|00000540| 6e 74 65 6e 74 73 3a 20 | 20 65 78 70 6e 0a 23 20 |ntents: | expn.# |
|00000550| 57 72 61 70 70 65 64 20 | 62 79 20 6d 69 63 40 65 |Wrapped |by mic@e|
|00000560| 6d 78 2e 75 74 65 78 61 | 73 2e 65 64 75 20 6f 6e |mx.utexa|s.edu on|
|00000570| 20 53 75 6e 20 4e 6f 76 | 20 31 38 20 32 32 3a 30 | Sun Nov| 18 22:0|
|00000580| 32 3a 32 33 20 31 39 39 | 30 0a 50 41 54 48 3d 2f |2:23 199|0.PATH=/|
|00000590| 62 69 6e 3a 2f 75 73 72 | 2f 62 69 6e 3a 2f 75 73 |bin:/usr|/bin:/us|
|000005a0| 72 2f 75 63 62 20 3b 20 | 65 78 70 6f 72 74 20 50 |r/ucb ; |export P|
|000005b0| 41 54 48 0a 69 66 20 74 | 65 73 74 20 2d 66 20 27 |ATH.if t|est -f '|
|000005c0| 65 78 70 6e 27 20 2d 61 | 20 22 24 7b 31 7d 22 20 |expn' -a| "${1}" |
|000005d0| 21 3d 20 22 2d 63 22 20 | 3b 20 74 68 65 6e 20 0a |!= "-c" |; then .|
|000005e0| 20 20 65 63 68 6f 20 73 | 68 61 72 3a 20 57 69 6c |  echo s|har: Wil|
|000005f0| 6c 20 6e 6f 74 20 63 6c | 6f 62 62 65 72 20 65 78 |l not cl|obber ex|
|00000600| 69 73 74 69 6e 67 20 66 | 69 6c 65 20 5c 22 27 65 |isting f|ile \"'e|
|00000610| 78 70 6e 27 5c 22 0a 65 | 6c 73 65 0a 65 63 68 6f |xpn'\".e|lse.echo|
|00000620| 20 73 68 61 72 3a 20 45 | 78 74 72 61 63 74 69 6e | shar: E|xtractin|
|00000630| 67 20 5c 22 27 65 78 70 | 6e 27 5c 22 20 5c 28 36 |g \"'exp|n'\" \(6|
|00000640| 33 34 20 63 68 61 72 61 | 63 74 65 72 73 5c 29 0a |34 chara|cters\).|
|00000650| 73 65 64 20 22 73 2f 5e | 58 2f 2f 22 20 3e 27 65 |sed "s/^|X//" >'e|
|00000660| 78 70 6e 27 20 3c 3c 27 | 45 4e 44 5f 4f 46 5f 46 |xpn' <<'|END_OF_F|
|00000670| 49 4c 45 27 0a 58 23 21 | 2f 62 69 6e 2f 73 68 0a |ILE'.X#!|/bin/sh.|
|00000680| 58 23 0a 58 23 20 54 68 | 69 73 20 68 61 63 6b 20 |X#.X# Th|is hack |
|00000690| 72 75 6e 73 20 73 65 6e | 64 6d 61 69 6c 20 69 6e |runs sen|dmail in|
|000006a0| 20 53 4d 54 50 20 6d 6f | 64 65 20 61 6e 64 20 75 | SMTP mo|de and u|
|000006b0| 73 65 73 20 74 68 65 20 | 45 58 50 4e 20 63 6f 6d |ses the |EXPN com|
|000006c0| 6d 61 6e 64 20 74 6f 0a | 58 23 20 65 78 70 61 6e |mand to.|X# expan|
|000006d0| 64 20 61 6e 20 61 64 64 | 72 65 73 73 20 69 6e 74 |d an add|ress int|
|000006e0| 6f 20 74 68 65 20 72 65 | 61 6c 20 61 64 64 72 65 |o the re|al addre|
|000006f0| 73 73 28 65 73 29 20 74 | 68 61 74 20 74 68 65 20 |ss(es) t|hat the |
|00000700| 6d 61 69 6c 20 77 69 6c | 6c 20 62 65 0a 58 23 20 |mail wil|l be.X# |
|00000710| 64 65 6c 69 76 65 72 65 | 64 20 74 6f 2e 20 20 49 |delivere|d to.  I|
|00000720| 74 20 74 61 6b 65 73 20 | 61 64 76 61 6e 74 61 67 |t takes |advantag|
|00000730| 65 20 6f 66 20 73 65 6e | 64 6d 61 69 6c 27 73 20 |e of sen|dmail's |
|00000740| 61 62 69 6c 69 74 79 20 | 74 6f 20 72 65 61 64 0a |ability |to read.|
|00000750| 58 23 20 53 4d 54 50 20 | 63 6f 6d 6d 61 6e 64 73 |X# SMTP |commands|
|00000760| 20 66 72 6f 6d 20 73 74 | 61 6e 64 61 72 64 20 69 | from st|andard i|
|00000770| 6e 70 75 74 20 77 68 65 | 6e 20 79 6f 75 20 75 73 |nput whe|n you us|
|00000780| 65 20 74 68 65 20 2d 62 | 73 20 66 6c 61 67 2e 0a |e the -b|s flag..|
|00000790| 58 23 0a 58 23 09 55 73 | 61 67 65 3a 0a 58 23 09 |X#.X#.Us|age:.X#.|
|000007a0| 09 65 78 70 6e 20 61 6c | 69 61 73 0a 58 23 0a 58 |.expn al|ias.X#.X|
|000007b0| 23 09 4f 75 74 70 75 74 | 3a 0a 58 23 09 09 74 68 |#.Output|:.X#..th|
|000007c0| 65 20 61 64 64 72 65 73 | 73 28 65 73 29 20 6d 61 |e addres|s(es) ma|
|000007d0| 69 6c 20 73 65 6e 74 20 | 74 6f 20 60 60 61 6c 69 |il sent |to ``ali|
|000007e0| 61 73 27 27 20 77 69 6c | 6c 20 72 65 61 6c 6c 79 |as'' wil|l really|
|000007f0| 20 67 6f 20 74 6f 0a 58 | 0a 58 69 66 20 5b 20 2d | go to.X|.Xif [ -|
|00000800| 7a 20 22 24 31 22 20 5d | 3b 20 74 68 65 6e 0a 58 |z "$1" ]|; then.X|
|00000810| 09 65 63 68 6f 20 75 73 | 61 67 65 3a 20 60 62 61 |.echo us|age: `ba|
|00000820| 73 65 6e 61 6d 65 20 24 | 30 60 20 73 65 6e 64 6d |sename $|0` sendm|
|00000830| 61 69 6c 2d 61 6c 69 61 | 73 0a 58 09 65 78 69 74 |ail-alia|s.X.exit|
|00000840| 20 31 0a 58 66 69 0a 58 | 65 63 68 6f 20 22 65 78 | 1.Xfi.X|echo "ex|
|00000850| 70 6e 20 24 31 0a 58 71 | 75 69 74 22 20 7c 20 2f |pn $1.Xq|uit" | /|
|00000860| 75 73 72 2f 6c 69 62 2f | 73 65 6e 64 6d 61 69 6c |usr/lib/|sendmail|
|00000870| 20 2d 62 73 20 7c 20 74 | 72 20 2d 64 20 27 5c 30 | -bs | t|r -d '\0|
|00000880| 31 35 27 20 7c 20 5c 0a | 58 09 73 65 64 20 2d 65 |15' | \.|X.sed -e|
|00000890| 20 27 73 2f 5e 32 35 30 | 2e 2a 3c 5c 28 5b 5e 3e | 's/^250|.*<\([^>|
|000008a0| 5d 2a 5c 29 3e 2e 2a 2f | 5c 31 2f 27 20 5c 0a 58 |]*\)>.*/|\1/' \.X|
|000008b0| 09 20 20 20 20 2d 65 20 | 27 73 2f 5e 35 5b 30 2d |.    -e |'s/^5[0-|
|000008c0| 39 5d 5b 30 2d 39 5d 2e | 5c 28 2e 2a 5c 29 2f 5c |9][0-9].|\(.*\)/\|
|000008d0| 31 2f 27 20 5c 0a 58 09 | 20 20 20 20 2d 65 20 27 |1/' \.X.|    -e '|
|000008e0| 2f 5e 5b 30 2d 39 5d 5b | 30 2d 39 5d 5b 30 2d 39 |/^[0-9][|0-9][0-9|
|000008f0| 5d 20 2f 64 27 20 7c 20 | 73 6f 72 74 0a 58 65 78 |] /d' | |sort.Xex|
|00000900| 69 74 20 30 0a 58 0a 45 | 4e 44 5f 4f 46 5f 46 49 |it 0.X.E|ND_OF_FI|
|00000910| 4c 45 0a 69 66 20 74 65 | 73 74 20 36 33 34 20 2d |LE.if te|st 634 -|
|00000920| 6e 65 20 60 77 63 20 2d | 63 20 3c 27 65 78 70 6e |ne `wc -|c <'expn|
|00000930| 27 60 3b 20 74 68 65 6e | 0a 20 20 20 20 65 63 68 |'`; then|.    ech|
|00000940| 6f 20 73 68 61 72 3a 20 | 5c 22 27 65 78 70 6e 27 |o shar: |\"'expn'|
|00000950| 5c 22 20 75 6e 70 61 63 | 6b 65 64 20 77 69 74 68 |\" unpac|ked with|
|00000960| 20 77 72 6f 6e 67 20 73 | 69 7a 65 21 0a 66 69 0a | wrong s|ize!.fi.|
|00000970| 63 68 6d 6f 64 20 2b 78 | 20 27 65 78 70 6e 27 0a |chmod +x| 'expn'.|
|00000980| 23 20 65 6e 64 20 6f 66 | 20 27 65 78 70 6e 27 0a |# end of| 'expn'.|
|00000990| 66 69 0a 65 63 68 6f 20 | 73 68 61 72 3a 20 45 6e |fi.echo |shar: En|
|000009a0| 64 20 6f 66 20 73 68 65 | 6c 6c 20 61 72 63 68 69 |d of she|ll archi|
|000009b0| 76 65 2e 0a 65 78 69 74 | 20 30 0a 2d 2d 2d 2d 2d |ve..exit| 0.-----|
|000009c0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|000009d0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 43 |--------|-------C|
|000009e0| 55 54 20 48 45 52 45 2d | 2d 2d 2d 2d 2d 2d 2d 2d |UT HERE-|--------|
|000009f0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00000a00| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 0a                |--------|--.     |
+--------+-------------------------+-------------------------+--------+--------+