Lazy-Utils
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NAME
Lazy::Utils - Utility functions
VERSION
version 1.22
SYNOPSIS
use Lazy::Utils;
trim($str);
ltrim($str);
rtrim($str);
file_get_contents($path, $prefs);
file_put_contents($path, $contents, $prefs);
shellmeta($s, $nonquoted);
system2($cmd, @argv);
bash_readline($prompt);
cmdargs($prefs, @argv);
whereis($name, $path);
file_cache($tag, $expiry, $coderef);
get_pod_text($file_name, $section, $exclude_section);
array_to_hash(@array);
DESCRIPTION
Collection of utility functions all of exported by default.
FUNCTIONS
trim($str)
trims given string
$str: *string will be trimmed*
return value: *trimmed string*
ltrim($str)
trims left given string
$str: *string will be trimmed*
return value: *trimmed string*
rtrim($str)
trims right given string
$str: *string will be trimmed*
return value: *trimmed string*
file_get_contents($path, $prefs)
gets all contents of file in string type
$path: *path of file*
$prefs: *preferences in HashRef, by default undef*
utf8: *opens file-handle as :utf8 mode, by default 0*
return value: *file contents in string type, otherwise undef because of
errors*
file_put_contents($path, $contents, $prefs)
puts all contents of file in string type
$path: *path of file*
$contents: *file contents in string type*
$prefs: *preferences in HashRef, by default undef*
utf8: *opens file-handle as :utf8 mode, by default 0*
return value: *success 1, otherwise undef*
shellmeta($s, $nonquoted)
escapes metacharacters of interpolated shell string
$s: *interpolated shell string*
$nonquoted: *also escapes whitespaces and * character for non-quoted
interpolated shell string, by default 0*
return value: *escaped string*
system2($cmd, @argv)
_system($cmd, @argv) *OBSOLETE*
alternative implementation of perls core system subroutine that executes
a system command
$cmd: *command*
@argv: *command line arguments*
return value: *exit code of command. -1 if fatal error occurs*
returned $!: *system error message*
returned $?: *return code of wait call like on perls system call*
bash_readline($prompt)
bashReadLine($prompt) *OBSOLETE*
reads a line from STDIN using Bash
$prompt: *prompt, by default ''*
return value: *line*
cmdargs([$prefs, ]@argv)
commandArgs([$prefs, ]@argv) *OBSOLETE*
cmdArgs([$prefs, ]@argv) *OBSOLETE*
resolves command line arguments
$prefs: *preferences in HashRef, optional*
valuableArgs: *accepts option value after option if next argument is
not an option, by default 0*
noCommand: *use first parameter instead of command, by default 0*
optionAtAll: *accepts options after command or first parameter
otherwise evaluates as parameter, by default 1*
@argv: *command line arguments*
-a -b=c -d e --f g --h --i=j k l -- m n
by default, return value:
{ -a => '', -b => 'c', -d => '', --f => '', --h => '', --i => 'j', command => 'e', parameters => ['g', 'k', 'l'], late_parameters => ['m', 'n'] }
if valuableArgs is on, return value;
{ -a => '', -b => 'c', -d => 'e', --f => 'g', --h => '', --i => 'j', command => 'k', parameters => ['l'], late_parameters => ['m', 'n'] }
if noCommand is on, return value:
{ -a => '', -b => 'c', -d => '', --f => '', --h => '', --i => 'j', command => undef, parameters => ['e', 'g', 'k', 'l'], late_parameters => ['m', 'n'] }
if optionAtAll is off, return value:
{ -a => '', -b => 'c', -d => '', command => 'e', parameters => ['--f', 'g', '--h', '--i=j', 'k', 'l', '--','m', 'n'], late_parameters => [] }
whereis($name, $path)
whereisBin($name, $path) *OBSOLETE*
searches valid binary in search path
$name: *binary name*
$path: *search path, by default
"/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"*
return value: *array of binary path founded in search path*
file_cache($tag, $expiry, $coderef)
fileCache($tag, $expiry, $coderef) *OBSOLETE*
gets most recent cached value in file cache by given tag and caller
function if there is cached value in expiry period. Otherwise tries to
get current value using $coderef, puts value in cache and cleanups old
cache values.
$tag: *tag for cache*
$expiry: *cache expiry period*
<0: *always gets most recent cached value if there is any cached
value. Otherwise tries to get current value using $coderef, puts and
cleanups.*
=0: *never gets cached value. Always tries to get current value
using $coderef, puts and cleanups.*
( run in 0.958 second using v1.01-cache-2.11-cpan-8f98c5d2c55 )