mirror of
https://github.com/YunoHost/yunohost.git
synced 2024-09-03 20:06:10 +02:00
74 lines
2.9 KiB
Text
74 lines
2.9 KiB
Text
# Generate a random string
|
|
#
|
|
# example: pwd=$(ynh_string_random --length=8)
|
|
#
|
|
# usage: ynh_string_random [--length=string_length]
|
|
# | arg: -l, --length - the string length to generate (default: 24)
|
|
ynh_string_random() {
|
|
# Declare an array to define the options of this helper.
|
|
declare -Ar args_array=( [l]=length= )
|
|
local length
|
|
# Manage arguments with getopts
|
|
ynh_handle_getopts_args "$@"
|
|
length=${length:-24}
|
|
|
|
dd if=/dev/urandom bs=1 count=1000 2> /dev/null \
|
|
| tr -c -d 'A-Za-z0-9' \
|
|
| sed -n 's/\(.\{'"$length"'\}\).*/\1/p'
|
|
}
|
|
|
|
# Substitute/replace a string (or expression) by another in a file
|
|
#
|
|
# usage: ynh_replace_string --match_string=match_string --replace_string=replace_string --target_file=target_file
|
|
# | arg: -m, --match_string - String to be searched and replaced in the file
|
|
# | arg: -r, --replace_string - String that will replace matches
|
|
# | arg: -f, --target_file - File in which the string will be replaced.
|
|
#
|
|
# As this helper is based on sed command, regular expressions and
|
|
# references to sub-expressions can be used
|
|
# (see sed manual page for more information)
|
|
ynh_replace_string () {
|
|
# Declare an array to define the options of this helper.
|
|
declare -Ar args_array=( [m]=match_string= [r]=replace_string= [f]=target_file= )
|
|
local match_string
|
|
local replace_string
|
|
local target_file
|
|
# Manage arguments with getopts
|
|
ynh_handle_getopts_args "$@"
|
|
|
|
local delimit=@
|
|
# Escape the delimiter if it's in the string.
|
|
match_string=${match_string//${delimit}/"\\${delimit}"}
|
|
replace_string=${replace_string//${delimit}/"\\${delimit}"}
|
|
|
|
sudo sed --in-place "s${delimit}${match_string}${delimit}${replace_string}${delimit}g" "$target_file"
|
|
}
|
|
|
|
# Substitute/replace a special string by another in a file
|
|
#
|
|
# usage: ynh_replace_special_string --match_string=match_string --replace_string=replace_string --target_file=target_file
|
|
# | arg: -m, --match_string - String to be searched and replaced in the file
|
|
# | arg: -r, --replace_string - String that will replace matches
|
|
# | arg: -t, --target_file - File in which the string will be replaced.
|
|
#
|
|
# This helper will use ynh_replace_string, but as you can use special
|
|
# characters, you can't use some regular expressions and sub-expressions.
|
|
ynh_replace_special_string () {
|
|
# Declare an array to define the options of this helper.
|
|
declare -Ar args_array=( [m]=match_string= [r]=replace_string= [f]=target_file= )
|
|
local match_string
|
|
local replace_string
|
|
local target_file
|
|
# Manage arguments with getopts
|
|
ynh_handle_getopts_args "$@"
|
|
|
|
# Escape any backslash to preserve them as simple backslash.
|
|
match_string=${match_string//\\/"\\\\"}
|
|
replace_string=${replace_string//\\/"\\\\"}
|
|
|
|
# Escape the & character, who has a special function in sed.
|
|
match_string=${match_string//&/"\&"}
|
|
replace_string=${replace_string//&/"\&"}
|
|
|
|
ynh_replace_string --match_string="$match_string" --replace_string="$replace_string" --target_file="$target_file"
|
|
}
|