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Shell Programming and Scripting
Incrementing parts of ten digits number by parts
Post 302861947 by Natalie on Thursday 10th of October 2013 01:45:19 AM
10-10-2013
Incrementing parts of ten digits number by parts
I have number in file which contains date and serial number:
2013101000.
The last two digits are serial number (00). So maximum of serial number is 100.
After reaching 100 it becomes 00 with incrementing 10 which is day with max 31.
after reaching 31 it becomes 00 and increments 10 which is month with maximum 12.
so basically when I run code it rewrites 10 digits with above conditions... My problem is that I dont know how to separate these 4 numbers. If I have "." or smth like that among them then it would be easier but here I have no idea.....
So example:
cat file
2013113098
sh my_code
cat file
2013113099
sh my_code
cat file
2013113100
sh my_code
cat file
2013113101
then I sh my_code 100 times
cat file
2013120100
2013101000.
The last two digits are serial number (00). So maximum of serial number is 100.
After reaching 100 it becomes 00 with incrementing 10 which is day with max 31.
after reaching 31 it becomes 00 and increments 10 which is month with maximum 12.
so basically when I run code it rewrites 10 digits with above conditions... My problem is that I dont know how to separate these 4 numbers. If I have "." or smth like that among them then it would be easier but here I have no idea.....
So example:
cat file
2013113098
sh my_code
cat file
2013113099
sh my_code
cat file
2013113100
sh my_code
cat file
2013113101
then I sh my_code 100 times
cat file
2013120100
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Last edited by vbe; 10-10-2013 at 12:06 PM..
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LEARN ABOUT LINUX
gnomevfs-cat
gnomevfs-cat(1) User Commands gnomevfs-cat(1) NAME
gnomevfs-cat - print a file to standard output using the VFS system SYNOPSIS
gnomevfs-cat URI DESCRIPTION
gnomevfs-cat prints a file to standard output using the virtual file system to access the file via a URI. OPERANDS
The following operands are supported: URI Specifies the file location in standard URI format. EXAMPLES
Example 1: Cat a File From a Web Server example% gnomevfs-cat http://www.sun.com Example 2: Cat a Local File example% gnomevfs-cat file:///home/user/README.txt ENVIRONMENT VARIABLES
See environ(5) for descriptions of the following environment variables: NLSPATH. EXIT STATUS
The exit value 0 is returned regardless of success or failure. FILES
The following files are used by this application: /usr/bin/gnomevfs-cat Executable to print a file to standard output using the VFS system ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWgnome-vfs | +-----------------------------+-----------------------------+ |Interface stability |External | +-----------------------------+-----------------------------+ SEE ALSO
gnomevfs-copy(1), gnomevfs-info(1), gnomevfs-ls(1), gnomevfs-mkdir(1) NOTES
Written by Stephen Browne, Sun Microsystems Inc., 2004. SunOS 5.10 6 Sep 2004 gnomevfs-cat(1)