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-rw-r--r--%HOME%/.bash_utils/text.sh103
1 files changed, 103 insertions, 0 deletions
diff --git a/%HOME%/.bash_utils/text.sh b/%HOME%/.bash_utils/text.sh
index 4ecffd6..e271e80 100644
--- a/%HOME%/.bash_utils/text.sh
+++ b/%HOME%/.bash_utils/text.sh
@@ -74,3 +74,106 @@ str_contains() (
test "$str" != "${str#*$sub}"
)
+
+str_starts_with() (
+ set -o errexit -o nounset -o pipefail
+
+ if [ "$#" -ne 2 ]; then
+ echo "usage: ${FUNCNAME[0]} STR SUB"
+ return 1
+ fi
+
+ local str="$1"
+ local sub
+ sub="$( printf '%q' "$2" )"
+
+ test "$str" != "${str#$sub}"
+)
+
+str_split() (
+ set -o errexit -o nounset -o pipefail
+
+ local zero=
+ local -a args
+
+ while [ "$#" -ne 0 ]; do
+ case "$1" in
+ -z|-0)
+ zero=1
+ shift
+ ;;
+
+ -h|--help)
+ echo "usage: ${FUNCNAME[0]} [-z|-0] [-h|--help] [--] STR DELIM"
+ return 0
+ ;;
+
+ --)
+ shift
+ break
+ ;;
+
+ -*)
+ echo "${FUNCNAME[0]}: unrecognized parameter: $1" >&2
+ return 1
+ ;;
+
+ *)
+ args+=("$1")
+ shift
+ ;;
+ esac
+ done
+
+ args+=("$@")
+
+ if [ "${#args[@]}" -ne 2 ]; then
+ echo "usage: ${FUNCNAME[0]} [-z|-0] [-h|--help] [--] STR DELIM"
+ return 1
+ fi
+
+ local str="${args[0]}"
+ local old_delim="${args[1]}"
+
+ local -a xs
+ local x
+
+ IFS="$old_delim" read -ra xs <<< "$str"
+
+ for x in ${xs[@]+"${xs[@]}"}; do
+ if [ -z "$zero" ]; then
+ printf '%s\n' "$x"
+ else
+ printf '%s\0' "$x"
+ fi
+ done
+)
+
+str_join() (
+ set -o errexit -o nounset -o pipefail
+
+ if [ "$#" -lt 1 ]; then
+ echo "usage: ${FUNCNAME[0]} DELIM [STR]..."
+ return 1
+ fi
+
+ local delim="$1"
+ shift
+
+ case "$#" in
+ 0)
+ ;;
+ 1)
+ echo "$@"
+ ;;
+ *)
+ local s="$1"
+ shift
+ printf '%s' "$s"
+
+ for s; do
+ printf '%s%s' "$delim" "$s"
+ done
+ ;;
+ esac
+)