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authorcvpcs <root@cvpcs.org>2010-06-02 11:02:31 -0500
committercvpcs <root@cvpcs.org>2010-06-02 11:02:31 -0500
commit772f20abb0a3a0979c440114bf3a1cff5b3cef03 (patch)
tree3384b9291d73a12542c526a8557218c7435491b0 /examples/scripts.v2/untar
downloadexternal_bash-772f20abb0a3a0979c440114bf3a1cff5b3cef03.zip
external_bash-772f20abb0a3a0979c440114bf3a1cff5b3cef03.tar.gz
external_bash-772f20abb0a3a0979c440114bf3a1cff5b3cef03.tar.bz2
initial import of bash 4.1
Diffstat (limited to 'examples/scripts.v2/untar')
-rw-r--r--examples/scripts.v2/untar80
1 files changed, 80 insertions, 0 deletions
diff --git a/examples/scripts.v2/untar b/examples/scripts.v2/untar
new file mode 100644
index 0000000..1ba6b6b
--- /dev/null
+++ b/examples/scripts.v2/untar
@@ -0,0 +1,80 @@
+#! /bin/bash
+#
+# original from:
+# @(#) untar.ksh 1.0 93/11/10
+# 92/10/08 john h. dubois iii (john@armory.com)
+# 92/10/31 make it actually work if archive isn't in current dir!
+# 93/11/10 Added pack and gzip archive support
+#
+# conversion to bash v2 syntax done by Chet Ramey
+
+phelp()
+{
+echo \
+"$name: extract tar archives into directories, uncompressing if neccessary.
+Usage: $name archive[.tar[.[Z|gz]]] ..
+If an archive name given does not end in .tar, .tar.Z, or .tar.gz, it is
+searched for first with .tar added, then .tar.Z, and then .tar.gz added.
+The real filename must end in either .tar, .tar.Z, or .tar.gz. A
+directory with the name of the archive is created in the current directory
+(not necessarily the directory that the archive is in) if it does not
+exist, and the the contents of the archive are extracted into it.
+Absolute pathnames in tarfiles are suppressed."
+}
+
+if [ $# -eq 0 ]; then
+ phelp
+ exit 1
+fi
+
+name=${0##/}
+OWD=$PWD
+
+for file; do
+ cd $OWD
+ case "$file" in
+ *.tar.Z) ArchiveName=${file%%.tar.Z} zcat=zcat;;
+ *.tar.z) ArchiveName=${file%%.tar.z} zcat=pcat;;
+ *.tar.gz) ArchiveName=${file%%.tar.gz} zcat=gzcat;;
+ *) ArchiveName=$file
+ for ext in "" .Z .z .gz; do
+ if [ -f "$file.tar$ext" ]; then
+ file="$file.tar$ext"
+ break
+ fi
+ done
+ if [ ! -f "$file" ]; then
+ echo "$file: cannot find archive." 1>&2
+ continue
+ fi
+ ;;
+ esac
+ if [ ! -r "$file" ]; then
+ echo "$file: cannot read." >&2
+ continue
+ fi
+ DirName=${ArchiveName##*/}
+ [ -d "$DirName" ] || {
+ mkdir "$DirName" || {
+ echo "$DirName: could not make archive directory." 1>&2
+ continue
+ }
+ }
+
+ cd $DirName || {
+ echo "$name: cannot cd to $DirName" 1>&2
+ continue
+ }
+
+ case "$file" in
+ /*) ;;
+ *) file=$OWD/$file ;;
+ esac
+
+ echo "Extracting archive $file into directory $DirName..."
+ case "$file" in
+ *.tar.Z|*.tar.z|*.tar.gz) $zcat $file | tar xvf -;;
+ *.tar) tar xvf $file;;
+ esac
+ echo "Done extracting archive $file into directory $DirName."
+done