zsh: update

.config/zsh/lib/csv.zsh

@@ -0,0 +1,33 @@
+#!/bin/zsh
+
+## NB: set IFS manually
+
+z-csv-select() {
+    local field value
+    field="${1:?}" value="${2:?}"
+
+    local line
+    local -a ary
+    while IFS='' read -rs line ; do
+        [ -n "${line}" ] || continue
+
+        ary=()
+        read -rs -A ary <<< "${line}"
+        [ "${ary[${field}]}" = "${value}" ] || continue
+
+        printf '%s' "${line}"
+        return 0
+    done
+
+    return 1
+}
+
+z-csv-field() {
+    local field
+    field="${1:?}"
+
+    local -a ary
+    read -rs -A ary
+
+    printf '%s' "${ary[${field}]}"
+}