Bash Unpack an rpm archive
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#!/bin/bash # de-rpm.sh: Unpack an 'rpm' archive
: ${1?"Usage: `basename $0` target-file"} # Must specify 'rpm' archive name as an argument.
TEMPFILE=$$.cpio # Tempfile with "unique" name. # $$ is process ID of script.
rpm2cpio < $1 > $TEMPFILE # Converts rpm archive into cpio archive. cpio --make-directories -F $TEMPFILE -i # Unpacks cpio archive. rm -f $TEMPFILE # Deletes cpio archive.
exit 0
# Exercise: # Add check for whether 1) "target-file" exists and #+ 2) it is really an rpm archive. # Hint: parse output of 'file' command.
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