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Full Discussion: ls -l | grep $date (failing)
Top Forums Shell Programming and Scripting ls -l | grep $date (failing) Post 79841 by yongho on Monday 1st of August 2005 11:35:47 AM
Old 08-01-2005
ls -l | grep $date (failing)

Example file list
Code:
> ls -l
-rwxr-xr-x   1 .......  ......      1707 Feb  5  2004 file1
-rwxr-xr-x   1 .......  ......       175 Jan 21  2005 file2
-rwxr-xr-x   1 .......  ......        95 Apr  1 16:15 file3

The Script
Code:
#!/bin/ksh

# date variables
start_date_Y=`date +%Y`   # year  (ie: 1998, 2005)
start_date_b=`date +%b`   # month (ie: Jun, Jul)
start_date_d=`date +%d`   # day   (ie: 09, 25)

# format the date value for day for `ls -al | grep <date>`
# ex: converts day value of '01' into ' 1' or '09' to ' 9', etc)
typeset -L1 get_first_char  # used to get first character of `date +%d`
typeset -R1 get_second_char # used to get second character of `date +%d`
get_first_char="$date_d"
get_second_char="$date_d"
if (( get_first_char==0 )); then
    date_d=" ${get_second_char}"
fi

ls -l | grep "$date_b $date_d"

I've read somewhere on this forum that when doing an ls -l command, files that are older than 6 months will be displayed (Mmm dd yyyy) as opposed to (Mmm dd hh:ss). My script doesn't account for this.

Can anyone suggest the workaround for this?

Last edited by yongho; 08-01-2005 at 12:54 PM..
 

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atprint(3)						       AtFS Toolkit Library							atprint(3)

NAME
atWriteStatus, atWriteMode, atWriteDate, atWriteName, atScanStatus - print and scan special attribute values SYNOPSIS
#include <atfs.h> #include <atfstk.h> char*atWriteStatus (Af_key *aso; int verbose); char*atWriteMode (Af_key *aso); char*atWriteDate (Af_key *aso, char *dateAttribute); char*atWriteName (Af_key *aso, char *path); int atScanStatus (char *statusStr); DESCRIPTION
atWriteStatus returns a string representation of Asos AF_STATE attribute. With the verbose argument TRUE, atWriteStatus returns a long (8 character) status name. Otherwise, on FALSE, it returns a one character short representation. The result value is a statically defined string in any case. atWriteMode generates a ls -l(1) like (e.g. -rwxr-xr-x) string representation of the AF_MODE attribute. It returns its result in static memory, which will be overwritten on subsequent calls. atWriteDate produces a date string from the given dateAttribute to be used for ls -l(1) like output (e.g. Jan 8 11:07 or Jul 10 1992). The format of the date string depends on the value of the date attribute. The string is always 12 characters long and begins with the month and day. For dates younger than 6 months, the third field is the time, for dates older than 6 months, the year. The result string resides in static memory, which will be overwritten on subsequent calls. atWriteName generates a bound pathname from path and aso. atScanStatus converts an status string to an internal numeric status value. It understands various abbreviations, including the one charac- ter status strings generated by atWriteStatus. .BUGS The format switch in afWriteDate (for dates older than six months) does not happen at exactly the right time. It may be a few days later. AtFStk-1.12 Fri Jun 25 16:39:43 1993 atprint(3)
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