Added function into a files not in zshrc
This commit is contained in:
		
							
								
								
									
										21
									
								
								.local/bin/cidr2mask
									
									
									
									
									
										Executable file
									
								
							
							
						
						
									
										21
									
								
								.local/bin/cidr2mask
									
									
									
									
									
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							@@ -0,0 +1,21 @@
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					#!/bin/bash
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					cidr2mask() {
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					    local i mask=""
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					    local full_octets=$(($1 / 8))
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					    local partial_octet=$(($1 % 8))
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					    for ((i = 0; i < 4; i += 1)); do
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					        if [ $i -lt $full_octets ]; then
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					            mask+=255
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					        elif [ $i -eq $full_octets ]; then
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					            mask+=$((256 - 2 ** (8 - partial_octet)))
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					        else
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					            mask+=0
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					        fi
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					        test $i -lt 3 && mask+=.
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					    done
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					    echo $mask
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					}
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					cidr2mask "$@"
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										20
									
								
								.local/bin/mask2cidr
									
									
									
									
									
										Executable file
									
								
							
							
						
						
									
										20
									
								
								.local/bin/mask2cidr
									
									
									
									
									
										Executable file
									
								
							@@ -0,0 +1,20 @@
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					#!/bin/bash
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					mask2cidr() {
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					    local mask=$1
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					    # In RFC 4632 netmasks there's no "255." after a non-255 byte in the mask
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					    local left_stripped_mask=${mask##*255.}
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					    local len_mask=${#mask}
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					    local len_left_stripped_mask=${#left_stripped_mask}
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					    local conversion_table=0^^^128^192^224^240^248^252^254^
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					    local number_of_bits_stripped=$(((len_mask - len_left_stripped_mask) * 2))
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					    local signifacant_octet=${left_stripped_mask%%.*}
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					    local right_stripped_conversion_table=${conversion_table%%$signifacant_octet*}
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					    local len_right_stripped_conversion_table=${#right_stripped_conversion_table}
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					    local number_of_bits_from_conversion_table=$((len_right_stripped_conversion_table / 4))
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					    echo $((number_of_bits_stripped + number_of_bits_from_conversion_table))
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					}
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					mask2cidr "$@"
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										37
									
								
								.zshrc
									
									
									
									
									
								
							
							
						
						
									
										37
									
								
								.zshrc
									
									
									
									
									
								
							@@ -16,43 +16,6 @@ gbranch() {
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    echo -e "$(git branch "$@")"
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					    echo -e "$(git branch "$@")"
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}
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					}
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mask2cidr() {
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    local mask=$1
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    # In RFC 4632 netmasks there's no "255." after a non-255 byte in the mask
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    local left_stripped_mask=${mask##*255.}
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    local len_mask=${#mask}
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    local len_left_stripped_mask=${#left_stripped_mask}
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    local conversion_table=0^^^128^192^224^240^248^252^254^
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    local number_of_bits_stripped=$((($len_mask - $len_left_stripped_mask) * 2))
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    local signifacant_octet=${left_stripped_mask%%.*}
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    local right_stripped_conversion_table=${conversion_table%%$signifacant_octet*}
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    local len_right_stripped_conversion_table=${#right_stripped_conversion_table}
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    local number_of_bits_from_conversion_table=$((len_right_stripped_conversion_table / 4))
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    echo $(($number_of_bits_stripped + $number_of_bits_from_conversion_table))
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}
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cidr2mask() {
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    local i mask=""
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    local full_octets=$(($1 / 8))
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    local partial_octet=$(($1 % 8))
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    for ((i = 0; i < 4; i += 1)); do
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        if [ $i -lt $full_octets ]; then
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            mask+=255
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        elif [ $i -eq $full_octets ]; then
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            mask+=$((256 - 2 ** (8 - $partial_octet)))
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        else
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            mask+=0
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        fi
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        test $i -lt 3 && mask+=.
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    done
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    echo $mask
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}
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[ -f /etc/gentoo-release ] && export ZSH="/usr/share/zsh/site-contrib/oh-my-zsh"
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					[ -f /etc/gentoo-release ] && export ZSH="/usr/share/zsh/site-contrib/oh-my-zsh"
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[ -f /etc/centos-release ] && export ZSH="$HOME/.oh-my-zsh"
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					[ -f /etc/centos-release ] && export ZSH="$HOME/.oh-my-zsh"
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[ -f /etc/debian_version ] && export ZSH="$HOME/.oh-my-zsh"
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					[ -f /etc/debian_version ] && export ZSH="$HOME/.oh-my-zsh"
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