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Full Discussion: String Manipulation
Top Forums Shell Programming and Scripting String Manipulation Post 302473692 by Scrutinizer on Monday 22nd of November 2010 04:45:26 AM
Old 11-22-2010
With GNU date (if year<=2038) (not so efficient):
 awk -F\| '{for(i=3;i<=6;i+=3)"date -d"$i" +\"%m\\%d\\%Y\""|getline $i}1' OFS=\| infile

while IFS=\| read f1 f2 f3 f4 f5 f6 f7 f8
   echo "$f1|$f2|$(date -d $f3 +'%m\%d\%Y')|$f4|$f5|$(date -d $f6 +'%m\%d\%Y')|$f7|$f8"

Last edited by Scrutinizer; 11-22-2010 at 05:57 AM..

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sttime(3)						    ShapeTools Toolkit Library							 sttime(3)

stMktime, stWriteTime - date and time handling SYNOPSIS
#include <config.h> #include <sttk.h.h> time_tstMktime (char *string); char*stWriteTime (time_t date); DESCRIPTION
stMktime scans the given string and tries to read a date and time from it. It understands various formats of date strings. The following is a list of all valid formats, optional parts in brackets. [Tue] Jan 5[,] [19]93 This includes the standard asctime(3) format. Jan 5 With no year given, the year defaults to the current year. [19]93/01/05 This notation requires month and day represented by exactly two digits. 5.1.[19]93 This is the usual German notation. 5.1. German notation referencing the current year. A certain time, given together with the date must always have the following form. hours:minutes[:seconds] Each of the fields must be an integer value within the proper range (hours: 0-23, minutes and seconds: 0-59). Values below 10 may be written as one digit numbers. The time value may be placed anywhere in the date string: at the beginning, at the end, or somewhere in the middle. Any amount of white- space may be given between a field of the time value and the separating colon. The time is always considered to be local time. stWriteTime generates a time string similar to asctime(3) from its date argument. SEE ALSO
asctime(3) BUGS
Time Zone Names within the time string (like `MET') are not handled properly. In most cases they will cause a failure. sttk-1.7 Thu Jun 24 17:43:35 1993 sttime(3)

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