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Complete ynh_replace_string helper comments to mention the possible use of regexp

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Jimmy Monin 2017-09-05 21:09:24 +02:00
parent a6639c4530
commit f4955341bb
1 changed files with 5 additions and 1 deletions
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6
data/helpers.d/string
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@ -10,12 +10,16 @@ ynh_string_random() {
| sed -n 's/\(.\{'"${1:-24}"'\}\).*/\1/p' | sed -n 's/\(.\{'"${1:-24}"'\}\).*/\1/p'
} }
# Substitute/replace a string by another in a file # Substitute/replace a string (or expression) by another in a file
# #
# usage: ynh_replace_string match_string replace_string target_file # usage: ynh_replace_string match_string replace_string target_file
# | arg: match_string - String to be searched and replaced in the file # | arg: match_string - String to be searched and replaced in the file
# | arg: replace_string - String that will replace matches # | arg: replace_string - String that will replace matches
# | arg: target_file - File in which the string will be replaced. # | arg: 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 () { ynh_replace_string () {
delimit=@ delimit=@
match_string=${1//${delimit}/"\\${delimit}"} # Escape the delimiter if it's in the string. match_string=${1//${delimit}/"\\${delimit}"} # Escape the delimiter if it's in the string.