added check_json.sh

check_json.sh

@@ -0,0 +1,77 @@
+#!/usr/bin/env bash
+#  vim:ts=4:sts=4:sw=4:et
+#
+#  Author: Hari Sekhon
+#  Date: 2019-10-01 17:18:03 +0100 (Tue, 01 Oct 2019)
+#
+#  https://github.com/harisekhon/bash-tools
+#
+#  License: see accompanying Hari Sekhon LICENSE file
+#
+#  If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help improve or steer this or other code I publish
+#
+#  http://www.linkedin.com/in/harisekhon
+#
+
+set -euo pipefail
+[ -n "${DEBUG:-}" ] && set -x
+srcdir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+# shellcheck disable=SC1090
+. "$srcdir/lib/utils.sh"
+
+filelist="$(find "${1:-.}" -type f -name '*.json' | sort)"
+
+if [ -z "$filelist" ]; then
+    return 0 &>/dev/null ||
+    exit 0
+fi
+
+section "JSON Syntax Checks"
+
+start_time="$(start_timer)"
+
+if [ -n "${NOSYNTAXCHECK:-}" ]; then
+    echo "\$NOSYNTAXCHECK environment variable set, skipping JSON syntax checks"
+    echo
+elif [ -n "${QUICK:-}" ]; then
+    echo "\$QUICK environment variable set, skipping JSON syntax checks"
+    echo
+else
+    if ! command -v jsonlint &>/dev/null; then
+        echo "jsonlint not found in \$PATH, not running JSON syntax checks"
+        return 0 &>/dev/null || exit 0
+    fi
+    max_len=0
+    for x in $filelist; do
+        if [ ${#x} -gt $max_len ]; then
+            max_len=${#x}
+        fi
+    done
+    # to account for the semi colon
+    ((max_len + 1))
+    for x in $filelist; do
+        isExcluded "$x" && continue
+        printf "%-${max_len}s " "$x:"
+        set +eo pipefail
+        output="$(jsonlint "$x")"
+        # shellcheck disable=SC2181
+        if [ $? -eq 0 ]; then
+            echo "OK"
+        else
+            echo "FAILED"
+            if [ -z "${QUIET:-}" ]; then
+                echo
+                echo "$output"
+                echo
+            fi
+            if [ -z "${NOEXIT:-}" ]; then
+                return 1 &>/dev/null || exit 1
+            fi
+        fi
+        set -eo pipefail
+    done
+    time_taken "$start_time"
+    section2 "All JSON files passed syntax check"
+fi
+echo