shell擷取副檔名

basename example.tar.a.b.c.gz .c.gz# => example.tar.a.b FILE="example.tar.gz" echo "${FILE%%.*}"     取頭   example # => example echo "${FILE%.*}"      去尾   example.tar.a.b.c# => example.tar echo "${FILE#*.}"      去頭   tar.a.b.c.gz# => tar.gz echo "${FILE##*.}"     取尾   gz# => gz # 在bash中可以這麼寫filename=$(basename "$fullfile")   extension="${filename##*.}"filename="${filename%.*}"

<pre name="code" class="python">eg  fullfile=/mnt/cos2/venus_gram/ROM/leadcore_haige/leadcore_haige_AutoTag201608311742/cos-rom_1.2.-Leadcore_haige-201608311742.zip

則

filename=$(basename "$fullfile")   

echo "$filename"

cos-rom_1.2.-Leadcore_haige-201608311742.zip

extension="${filename##*.}"

echo "$extension"

zip

filename="${filename%.*}"

cos-rom_1.2.-Leadcore_haige-201608311742