diff options
| -rw-r--r-- | %HOME%/.bash_utils/text.sh | 53 |
1 files changed, 46 insertions, 7 deletions
diff --git a/%HOME%/.bash_utils/text.sh b/%HOME%/.bash_utils/text.sh index f74fb23..0f51b4a 100644 --- a/%HOME%/.bash_utils/text.sh +++ b/%HOME%/.bash_utils/text.sh @@ -26,6 +26,39 @@ doslint() { trim "$@" && trimdoseol "$@" && doseol "$@" } +escape_pattern_sed() ( + set -o errexit -o nounset -o pipefail + + # Only $^*./\[] need to be escaped according to this: + # https://unix.stackexchange.com/a/33005/60124 + local pattern + for pattern; do + pattern="${pattern//'\'/'\\'}" + pattern="${pattern//'/'/'\/'}" + pattern="${pattern//'$'/'\$'}" + pattern="${pattern//'^'/'\^'}" + pattern="${pattern//'*'/'\*'}" + pattern="${pattern//'.'/'\.'}" + pattern="${pattern//'['/'\['}" + pattern="${pattern//']'/'\]'}" + pattern="${pattern//$'\n'/'\n'}" + echo "$pattern" + done +) + +escape_substitution_sed() ( + set -o errexit -o nounset -o pipefail + + local pattern + for pattern; do + pattern="${pattern//'\'/'\\'}" + pattern="${pattern//'/'/'\/'}" + pattern="${pattern//'&'/'\&'}" + pattern="${pattern//$'\n'/'\n'}" + echo "$pattern" + done +) + str_replace() ( set -o errexit -o nounset -o pipefail @@ -35,8 +68,10 @@ str_replace() ( fi local old="$1" + old="$( escape_pattern_sed "$old" )" shift local new="$1" + new="$( escape_substitution_sed "$new" )" shift sed --binary --in-place -- "s/$old/$new/g" "$@" @@ -51,8 +86,10 @@ str_replace_word() ( fi local old="$1" + old="$( escape_pattern_sed "$old" )" shift local new="$1" + new="$( escape_substitution_sed "$new" )" shift sed --binary --in-place -- "s/\\b$old\\b/$new/g" "$@" @@ -63,7 +100,7 @@ str_tolower() ( local s for s; do - echo "${s,,}" # | tr '[:upper:]' '[:lower:]' + echo "${s,,}" done ) @@ -72,13 +109,15 @@ str_toupper() ( local s for s; do - echo "${s^^}" # | tr '[:lower:]' '[:upper:]' + echo "${s^^}" done ) -escape_pattern() { +escape_pattern_bash() ( set -o errexit -o nounset -o pipefail + # Only *?\[] need to be escaped according to: + # http://wiki.bash-hackers.org/syntax/pattern#normal_pattern_language local pattern for pattern; do pattern="${pattern//'\'/'\\'}" @@ -88,7 +127,7 @@ escape_pattern() { pattern="${pattern//']'/'\]'}" echo "$pattern" done -} +) str_contains() ( set -o errexit -o nounset -o pipefail @@ -102,7 +141,7 @@ str_contains() ( local sub="$2" [ -z "$sub" ] && return 0 - sub="$( escape_pattern "$sub" )" + sub="$( escape_pattern_bash "$sub" )" test "$str" != "${str#*$sub}" ) @@ -119,7 +158,7 @@ str_starts_with() ( local sub="$2" [ -z "$sub" ] && return 0 - sub="$( escape_pattern "$sub" )" + sub="$( escape_pattern_bash "$sub" )" test "$str" != "${str#$sub}" ) @@ -136,7 +175,7 @@ str_ends_with() ( local sub="$2" [ -z "$sub" ] && return 0 - sub="$( escape_pattern "$sub" )" + sub="$( escape_pattern_bash "$sub" )" test "$str" != "${str%$sub}" ) |