Shell custom decompression

Shell custom decompression Linux: RedHatEnterpriseLinux5 writes a script named smartzip. sh, which can automatically decompress bzip2, gzip, and zip compressed files: smartzip. shJs code #! /Bin/bashftype & quot; $ (file & quot; $1 & quot;) & quot ;... linux: Red Hat Enterprise Linux 5 writes a file named smartzip. sh script, which can automatically decompress bzip2, gzip, and zip compressed files: smartzip. sh Js code #! /Bin/bash ftype = "$ (file" $1 ")" case "$ ftype" in "$1: Zip archive" *) unzip "$1 ";; "$1: gzip compressed" *) gunzip "$1"; "$1: bzip2 compressed" *) bunzip2 "$1 ";;*) echo "File $1 can not be uncompressed with smartzip"; esac to smartzip. sh grants the execution permission: Js code chmod + x smartzip. sh in the same directory, there is a file articles.zip which also gives the file execution permission. Js code chmod + x articles.zip uses the command smartzip to decompress the file Js code. /smartzip. sh articles.zip $1 is the execution result of the string articles.zip: