([ -e hoge.txt ] && echo "true" ) || echo "false"
** 結果 **
# hoge.txt がある場合,
=> true
# hoge.txt がない場合,
=> false
More than 5 years have passed since last update.
([ -e hoge.txt ] && echo "true" ) || echo "false"
** 結果 **
# hoge.txt がある場合,
=> true
# hoge.txt がない場合,
=> false
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