09-02-2003
Help with greping a field
Hi,
Suppose I have a file as below and I just want the field Invoice Number from this file , How can I do it.
/home/arbor>cat PH0034090202314800030IM-001
0Yp825XMilperra NSW 1891 189110H14V1Sp2871Yp300X Customer Service : 0000-368-81118H6.5V0Sp3130Yp50X For Australian GST purposes, when an amount of GST is expressed in a currency otherp3173Yp50X than AUD, this amount should be converted to AUS at the exchange rate publishedp3216Yp50X by the RBA at 4:00pm AEST on the same day as the date of this invoicep3302Yp50X Hanoi Australia Pty Ltdp3345Yp50X ABN: 00000000000p3388Yp50X 203 Military Road, St Leonards, Sydney NSW 2065
5H36V1Sp204Yp1734XInvoice12H9V0S0Bp419Yp50XAccount No:0P16.67H9.5V6Tp419Yp325XAUID132291P12H9V16602Tp505Yp50XName:0P16.67H9.5V6Tp505Yp325XSturdy Components Pty Ltdp548Yp325XATTN Mr g Kwohp591Yp325XP O Box 0035p634Yp325Xxxxxxx NSW 1891 18911P12H9V16602Tp419Yp1375XPage
505Yp1375XInvoice Number:0P16.67H9.5V6Tp505Yp1750X13539391P12H9V16602Tp548Yp1375XInvoice Date:0P16.67H9.5V6Tp548Yp1750X08-Jan-011P12H9V16602Tp591Yp1375XBilling Period:0P16.67H9.5V6Tp591Yp1750X01-Dec-00 - 31-Dec-001P12H12V3B16602Tp892Yp969XInvoice p505Yp1375XInvoice Number:0P16.67H9.5V6Tp505Yp1750X13539391P12H9V16602Tp548Yp1375XInvoice Summary9Vp978Yp1023XRemittance Copy0Bp1021Yp759XPlease Return This Remittance With Payment To:0P16.67H9.5V6Tp1107Yp941XHanoi Australia Pty Ltdp1150Yp941XATTN: Accounts Receivablep1193Yp1067XGPO Box 5115p1236Yp1031XSydney NSW 2001p1279Yp1085XAustralia1P12H9V3B16602Tp1408Yp625XNew Charges(GST exclusive)0P16.67H9.5V0B6Tp1408Yp1570XAUD 197.551P12H9V3B16602Tp1451Yp625XNet Total Charges(GST exclusive)0P16.67H9.5V0B6Tp1451Yp1570XAUD 197.551P12H9V3B16602Tp1495Yp625XTaxes - GST @ 10.0 %0P16.67H9.5V0B6Tp1495Yp1588XAUD 19.761P12H9V3B16602Tp1538Yp625XTotal New Charges(GST inclusive)0P16.67H9.5V0B6Tp1538Yp1570XAUD 217.311P12H9V16602Tp1624Yp924XPayment Due Date 10-Feb-0118H6.5V3Bp3130Yp50X
Invoice Number:0P16.67H9.5V6Tp505Yp1750X13539391P12H9V16602Tp548Yp1375X
Your help will be highly appreciated
Last edited by rooh; 09-02-2003 at 01:32 AM..
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regex(1F) FMLI Commands regex(1F)
NAME
regex - match patterns against a string
SYNOPSIS
regex [-e] [ -v "string"] [ pattern template] ... pattern [template]
DESCRIPTION
The regex command takes a string from the standard input, and a list of pattern / template pairs, and runs regex() to compare the string
against each pattern until there is a match. When a match occurs, regex writes the corresponding template to the standard output and
returns TRUE. The last (or only) pattern does not need a template. If that is the pattern that matches the string, the function simply
returns TRUE. If no match is found, regex returns FALSE.
The argument pattern is a regular expression of the form described in regex(). In most cases, pattern should be enclosed in single quotes
to turn off special meanings of characters. Note that only the final pattern in the list may lack a template.
The argument template may contain the strings $m0 through $m9, which will be expanded to the part of pattern enclosed in ( ... )$0 through
( ... )$9 constructs (see examples below). Note that if you use this feature, you must be sure to enclose template in single quotes so
that FMLI does not expand $m0 through $m9 at parse time. This feature gives regex much of the power of cut(1), paste(1), and grep(1), and
some of the capabilities of sed(1). If there is no template, the default is $m0$m1$m2$m3$m4$m5$m6$m7$m8$m9.
OPTIONS
The following options are supported:
-e Evaluates the corresponding template and writes the result to the standard output.
-v "string" Uses string instead of the standard input to match against patterns.
EXAMPLES
Example 1: Cutting letters out of a string
To cut the 4th through 8th letters out of a string (this example will output strin and return TRUE):
`regex -v "my string is nice" '^.{3}(.{5})$0' '$m0'`
Example 2: Validating input in a form
In a form, to validate input to field 5 as an integer:
valid=`regex -v "$F5" '^[0-9]+$'`
Example 3: Translating an environment variable in a form
In a form, to translate an environment variable which contains one of the numbers 1, 2, 3, 4, 5 to the letters a, b, c, d, e:
value=`regex -v "$VAR1" 1 a 2 b 3 c 4 d 5 e '.*' 'Error'`
Note the use of the pattern '.*' to mean "anything else".
Example 4: Using backquoted expressions
In the example below, all three lines constitute a single backquoted expression. This expression, by itself, could be put in a menu defini-
tion file. Since backquoted expressions are expanded as they are parsed, and output from a backquoted expression (the cat command, in this
example) becomes part of the definition file being parsed, this expression would read /etc/passwd and make a dynamic menu of all the login
ids on the system.
`cat /etc/passwd | regex '^([^:]*)$0.*$' '
name=$m0
action=`message "$m0 is a user"`'`
DIAGNOSTICS
If none of the patterns match, regex returns FALSE, otherwise TRUE.
NOTES
Patterns and templates must often be enclosed in single quotes to turn off the special meanings of characters. Especially if you use the
$m0 through $m9 variables in the template, since FMLI will expand the variables (usually to "") before regex even sees them.
Single characters in character classes (inside []) must be listed before character ranges, otherwise they will not be recognized. For exam-
ple, [a-zA-Z_/] will not find underscores (_) or slashes (/), but [_/a-zA-Z] will.
The regular expressions accepted by regcmp differ slightly from other utilities (that is, sed, grep, awk, ed, and so forth).
regex with the -e option forces subsequent commands to be ignored. In other words, if a backquoted statement appears as follows:
`regex -e ...; command1; command2`
command1 and command2 would never be executed. However, dividing the expression into two:
`regex -e ...``command1; command2`
would yield the desired result.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWcsu |
+-----------------------------+-----------------------------+
SEE ALSO
awk(1), cut(1), grep(1), paste(1), sed(1), regcmp(3C), attributes(5)
SunOS 5.10 12 Jul 1999 regex(1F)