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Full Discussion: Read First Character of Each Line in File
Top Forums Shell Programming and Scripting Read First Character of Each Line in File Post 302126522 by ghostdog74 on Wednesday 11th of July 2007 08:12:16 PM
Old 07-11-2007
Quote:
Originally Posted by azelinsk
I need a better way to read the first character of each line in a file and check if it equals the special character ¤. This character tells me where there is a break in the reports. The file has over 500,000 lines. Currently, this is my code -

if [[ $(echo $line|cut -c1-1) = "¤" ]]
I am using Korn Shell as a scripting language. Is there a better way to do this?

Thank you for your assistance.
what do you want to do after you have checked the first character equals something?
Code:
awk  '/^c/{ do something }' file

 

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LEARN ABOUT SUNOS

eucjp

eucJP(5)						Standards, Environments, and Macros						  eucJP(5)

NAME

       eucJP, eucjp - map between Japanese EUC and character set

DESCRIPTION

       In  SunOS  and  JFP, Japanese EUC  (Extended UNIX code) is used as character code system expressing multi-byte languages including Japanese
       character in the "ja" locale. This manual page shows map between Japanese EUC and character set.

       The following is a map table for Japanese EUC and character set (SS2 stands for	0x8e, and SS3 stands for 0x8f  ).

       Table 1

       Japanese EUC		    character set
       0x00 - 0x19		    JIS  X  0201-1976	function
				    character set
       0x20			    JIS  X 0201-1976 space char-
				    acter
       0x21 - 0x7e		    JIS X 0201-1976 figure char-
				    acter  set for roman charac-
				    ter
       0x7f			    JIS X 0201-1976 erase  char-
				    acter
       0x80 - 0x9f		    ISO  6429 C1 control charac-
				    ter (except for 0x8e, 0x8f)
       SS2 0xa1 - 0xdf		    JIS X 0201-1976 figure char-
				    acter set for katakana
				    (except for an area of unde-
				    fined character E/0 - F/14)
       SS3 0xa1a1 - 0xa1fe	    JIS X 0212-1990 (1 ku 1  ten
				    - 1 ku 94 ten)
       SS3 0xa2a1 - 0xa2fe	    JIS  X 0212-1990 (2 ku 1 ten
				    - 2 ku 94 ten)
	       :					      :
	       :					      :
       SS3 0xf3a1 - 0xf3fe	    JIS X 0212-1990 (83 ku 1 ten
				    - 83 ku 94 ten)
       SS3 0xf4a1 - 0xf4fe	    JIS X 0212-1990 (84 ku 1 ten
				    - 84 ku 94 ten)
       0xa1a1 - 0xa1fe		    JIS X 0208-1990 (1 ku 1  ten
				    - 1 ku 94 ten)
       0xa2a1 - 0xa2fe		    JIS  X 0208-1990 (2 ku 1 ten
				    - 2 ku 94 ten)
	       :					     :
	       :					     :
       0xf3a1 - 0xf3fe		    JIS X 0208-1990 (83 ku 1 ten
				    - 83 ku 94 ten)
       0xf4a1 - 0xf4fe		    JIS X 0208-1990 (84 ku 1 ten
				    - 84 ku 94 ten)

       Each character set corresponds with Japanese EUC code set numbers as follows.

       Table 2

       character set (coding charac-   Japanese EUC extended code set no.
       ter set)
       JIS  X  0201 figure character		     0
       set for roman character
       JIS X 0208-1990				     1
       JIS X 0201  figure  character		     2
       set for katakana

       JIS X 0212-1990				     3

NOTES

       In Japanese EUC area below has special meaning.

       Table 3

       Japanese EUC	     area of character set   meaning
       SS3 0xf3a1 - 0xf4fe   JIS X 0212-1990 83 ku   Vender Defined Character
			     - 84 ku
						     (IBM extension character
						     not  included  in	JIS X
						     0212-1990)
       SS3 0xf5a1 - 0xfefe			     User Defined Character
						     11 ku - 20 ku
       0xada1 - 0xadfe	     JIS X 0208-1990 13 ku   Vender Defined Character
						     (special symbols)
       0xf5a1 - 0xfefe				     User Defined Character
						     1 ku - 10 ku

SEE ALSO

       PCK(5)

SunOS 5.10							   12 June 2000 							  eucJP(5)
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