12-06-2010
need to convert a decimal value to an ascii char with awk for the field delimiter
Hello,
I need an awk script to receive a variable that's an decimal value such as 009 or 031 and then convert this value to an ascii character to use as the FS (field separator for the input file).
For example,
009 should be converted to an ascii tab
031 should be converted to an ascii Unit Separator
awk -v delimiter="031" '
BEGIN {
FS=delimiter;
} # end BEGIN
{
}
END{
}' <infile >outfile
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ascii(7) Miscellaneous Information Manual ascii(7)
Name
ascii - map of ASCII character set
Syntax
cat /usr/pub/ascii
Description
The file is a map of the ASCII character set, to be printed as needed. It contains:
|000 nul|001 soh|002 stx|003 etx|004 eot|005 enq|006 ack|007 bel|
|010 bs |011 ht |012 nl |013 vt |014 np |015 cr |016 so |017 si |
|020 dle|021 dc1|022 dc2|023 dc3|024 dc4|025 nak|026 syn|027 etb|
|030 can|031 em |032 sub|033 esc|034 fs |035 gs |036 rs |037 us |
|040 sp |041 ! |042 " |043 # |044 $ |045 % |046 & |047 ' |
|050 ( |051 ) |052 * |053 + |054 , |055 - |056 . |057 / |
|060 0 |061 1 |062 2 |063 3 |064 4 |065 5 |066 6 |067 7 |
|070 8 |071 9 |072 : |073 ; |074 < |075 = |076 > |077 ? |
|100 @ |101 A |102 B |103 C |104 D |105 E |106 F |107 G |
|110 H |111 I |112 J |113 K |114 L |115 M |116 N |117 O |
|120 P |121 Q |122 R |123 S |124 T |125 U |126 V |127 W |
|130 X |131 Y |132 Z |133 [ |134 |135 ] |136 ^ |137 _ |
|140 ` |141 a |142 b |143 c |144 d |145 e |146 f |147 g |
|150 h |151 i |152 j |153 k |154 l |155 m |156 n |157 o |
|160 p |161 q |162 r |163 s |164 t |165 u |166 v |167 w |
|170 x |171 y |172 z |173 { |174 | |175 } |176 ~ |177 del|
| 00 nul| 01 soh| 02 stx| 03 etx| 04 eot| 05 enq| 06 ack| 07 bel|
| 08 bs | 09 ht | 0a nl | 0b vt | 0c np | 0d cr | 0e so | 0f si |
| 10 dle| 11 dc1| 12 dc2| 13 dc3| 14 dc4| 15 nak| 16 syn| 17 etb|
| 18 can| 19 em | 1a sub| 1b esc| 1c fs | 1d gs | 1e rs | 1f us |
| 20 sp | 21 ! | 22 " | 23 # | 24 $ | 25 % | 26 & | 27 ' |
| 28 ( | 29 ) | 2a * | 2b + | 2c , | 2d - | 2e . | 2f / |
| 30 0 | 31 1 | 32 2 | 33 3 | 34 4 | 35 5 | 36 6 | 37 7 |
| 38 8 | 39 9 | 3a : | 3b ; | 3c < | 3d = | 3e > | 3f ? |
| 40 @ | 41 A | 42 B | 43 C | 44 D | 45 E | 46 F | 47 G |
| 48 H | 49 I | 4a J | 4b K | 4c L | 4d M | 4e N | 4f O |
| 50 P | 51 Q | 52 R | 53 S | 54 T | 55 U | 56 V | 57 W |
| 58 X | 59 Y | 5a Z | 5b [ | 5c | 5d ] | 5e ^ | 5f _ |
| 60 ` | 61 a | 62 b | 63 c | 64 d | 65 e | 66 f | 67 g |
| 68 h | 69 i | 6a j | 6b k | 6c l | 6d m | 6e n | 6f o |
| 70 p | 71 q | 72 r | 73 s | 74 t | 75 u | 76 v | 77 w |
| 78 x | 79 y | 7a z | 7b { | 7c | | 7d } | 7e ~ | 7f del|
Files
ascii(7)