This is probably archaic, but I'm new to unix and this is my first shell script. I'm writing this script to use in another script. All I am trying to do is make the parts of the output from date usable in my other script. I was wondering if you could stand looking at this and see if you notice why I can't get my last line to execute.
Code:
#! /bin/sh
wday=`date | head -c +3`
echo "$wday"
cyear=`date | tail -c -5`
echo "$cyear"
ahour=`date | head -c +13 | tail -c +12 -`
if [$ahour - 12 -ge 0]
then
thour=`expr $ahour - 12`
x=`PM`
else
thour=`12 - $ahour`
x=`AM`
fi
if [$wday == Mon]
then
wday= 'Monday'
else
if [$wday == Tue]
then
wday= 'Tuesday'
else
if [$wday == Wed]
then
wday= 'Wednesday'
else
if [$wday == Thu]
then
wday= 'Thursday'
else
if [$wday == Fri]
then
wday= 'Friday'
else
if [$wday == Sat]
then
wday= 'Saturday'
else
if [$wday == Sun]
then
wday= 'Sunday'
fi
echo "$wday"
echo "The time is $thour $x."
exit 0
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Discussion started by: rezasadeghi
4 Replies
LEARN ABOUT CENTOS
time::gmtime
Time::gmtime(3pm) Perl Programmers Reference Guide Time::gmtime(3pm)NAME
Time::gmtime - by-name interface to Perl's built-in gmtime() function
SYNOPSIS
use Time::gmtime;
$gm = gmtime();
printf "The day in Greenwich is %s
",
(qw(Sun Mon Tue Wed Thu Fri Sat Sun))[ $gm->wday() ];
use Time::gmtime qw(:FIELDS);
gmtime();
printf "The day in Greenwich is %s
",
(qw(Sun Mon Tue Wed Thu Fri Sat Sun))[ $tm_wday ];
$now = gmctime();
use Time::gmtime;
use File::stat;
$date_string = gmctime(stat($file)->mtime);
DESCRIPTION
This module's default exports override the core gmtime() function, replacing it with a version that returns "Time::tm" objects. This
object has methods that return the similarly named structure field name from the C's tm structure from time.h; namely sec, min, hour, mday,
mon, year, wday, yday, and isdst.
You may also import all the structure fields directly into your namespace as regular variables using the :FIELDS import tag. (Note that
this still overrides your core functions.) Access these fields as variables named with a preceding "tm_" in front their method names.
Thus, "$tm_obj->mday()" corresponds to $tm_mday if you import the fields.
The gmctime() function provides a way of getting at the scalar sense of the original CORE::gmtime() function.
To access this functionality without the core overrides, pass the "use" an empty import list, and then access function functions with their
full qualified names. On the other hand, the built-ins are still available via the "CORE::" pseudo-package.
NOTE
While this class is currently implemented using the Class::Struct module to build a struct-like class, you shouldn't rely upon this.
AUTHOR
Tom Christiansen
perl v5.16.3 2013-02-26 Time::gmtime(3pm)