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Perl Pocket Reference, 5th Edition by Johan Vromans

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Conversion Functions

chr expr

Returns the character represented by the decimal value expr.

gmtime [ expr ]

In list context, converts a time as returned by the time function to a nine-element list with the time localized for timezone UTC (GMT).

In scalar context, returns a formatted string.

Without expr, uses the current time.

Use the standard module Time::gmtime for by-name access to the elements of the list; see localtime on the next page.

hex expr

Returns the decimal value of expr interpreted as an hexadecimal string. The string may, but need not, start with 0x. For other conversions, see oct below.

localtime [ expr ]

Like gmtime, but uses the local time zone.

Use the standard module Time::localtime for byname access to the elements of the list:

Index

Name

Description

0

sec

Seconds.

1

min

Minutes.

2

hour

Hours.

3

mday

Day in the month.

4

mon

Month, 0 = January.

5

year

Years since 1900.

6

wday

Day in week, 0 = Sunday.

7

yday

Day in year, 0 = January 1st.

8

isdst

True during daylight saving time.

oct expr

Returns the decimal value of expr interpreted as an octal string. If the string starts off with 0x, it will be interpreted as a hexadecimal string; if it starts off with 0b, it will be interpreted as a binary string.

ord expr

Returns the ordinal value of the first character of expr.

vec expr, offset, bits

Treats string expr as a vector of unsigned integers of bits bits each, and yields the decimal value of the element at offset. bits must be a power of 2 greater than 0. May be assigned to.

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