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-rw-r--r--src/cpt-lib.in15
1 files changed, 15 insertions, 0 deletions
diff --git a/src/cpt-lib.in b/src/cpt-lib.in
index 5e5e7b4..cc4938b 100644
--- a/src/cpt-lib.in
+++ b/src/cpt-lib.in
@@ -45,6 +45,21 @@ trap_set() {
esac
}
+sepchar() (
+ # Seperate every character on the given string without resorting to external
+ # processes.
+ [ "$1" ] || return 0; str=$1; set --
+ while [ "$str" ]; do
+ str_tmp=$str
+ for i in $(_seq $(( ${#str} - 1 ))); do
+ str_tmp=${str_tmp%?}
+ done
+ set -- "$@" "$str_tmp"
+ str=${str#$str_tmp}
+ done
+ printf '%s\n' "$@"
+)
+
_seq() (
# Pure shell counter meant to be used in 'for' loops.
i=0 buf=''