+++ /dev/null
-#!/bin/bash
-
-# Desc: Checks that a valid tar archive exists, creates one otherwise
-
-# Yell, Die, Try Three-Fingered Claw technique
-# Ref/Attrib: https://stackoverflow.com/a/25515370
-yell() { echo "$0: $*" >&2; }
-die() { yell "$*"; exit 111; }
-try() { "$@" || die "cannot $*"; }
-
-checkTar() {
- # Desc: Checks that a valid tar archive exists, creates one otherwise
- # Usage: checkTar [ path ]
- # Input: arg1: path of tar archive
- # Output: exit code 0: tar exists and is valid
- # Depends: try, tar, date
- local PATH_TAR="$1"
-
- # Check if file is a valid tar archive
- if tar --list --file="$PATH_TAR" 1>/dev/null 2>&1; then
- ## T1: return success
- return 0;
- else
- ## F1: Check if file exists
- if [[ -f "$PATH_TAR" ]]; then
- ### T: Rename file
- try mv "$PATH_TAR" "$PATH_TAR""--broken--""$(date +%Y%m%dT%H%M%S)";
- else
- ### F: -
- :
- fi
- ## F2: Create tar archive
- try tar --create --file="$PATH_TAR" --files-from=/dev/null;
- fi
-} # checks if arg1 is tar; creates one otherwise