diff options
Diffstat (limited to 'gnu/usr.bin/gzip/znew')
-rw-r--r-- | gnu/usr.bin/gzip/znew | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/gnu/usr.bin/gzip/znew b/gnu/usr.bin/gzip/znew deleted file mode 100644 index b531473b692..00000000000 --- a/gnu/usr.bin/gzip/znew +++ /dev/null @@ -1,152 +0,0 @@ -#!/bin/sh - -check=0 -pipe=0 -opt= -files= -keep=0 -res=0 -old=0 -new=0 -block=1024 -# block is the disk block size (best guess, need not be exact) - -case "$GZIP" in - *-S*) ext=`echo "$GZIP" | sed 's/^.*-S[[:space:]]*\([^[:space:]]*\).*$/\1/'` - ;; - *-suffix=*) ext=`echo "$GZIP" | sed 's/^.*--suffix=\([^[:space:]]*\).*$/\1/'` - ;; - *-suffix*) ext=`echo "$GZIP" | sed 's/^.*--suffix[[:space:]][[:space:]]*\([^[:space:]]*\).*$/\1/'` - ;; - *) ext='.gz' - ;; -esac -if test "$ext" = ".Z"; then - echo znew: cannot use .Z as gzip extension. - exit 1 -fi - -warn="(does not preserve modes and timestamp)" -TMP1=`mktemp /tmp/zfoo.XXXXXXXXXX` || exit 1 -TMP2=`mktemp /tmp/zbar.XXXXXXXXXX` -if [ $? -ne 0 ]; then - rm -f $TMP1 - exit 1 -fi -echo hi > $TMP1 -echo hi > $TMP2 -if test -z "`(${CPMOD-cpmod} $TMP1 $TMP2) 2>&1`"; then - cpmod=${CPMOD-cpmod} - warn="" -fi - -if test -z "$cpmod" && ${TOUCH-touch} -r $TMP1 $TMP2 2>/dev/null; then - cpmod="${TOUCH-touch}" - cpmodarg="-r" - warn="(does not preserve file modes)" -fi -rm -f $TMP1 $TMP2 - -for arg -do - case "$arg" in - -*) opt="$opt $arg"; shift;; - *) break;; - esac -done - -if test $# -eq 0; then - echo "recompress .Z files into $ext (gzip) files" - echo usage: `echo $0 | sed 's,^.*/,,'` "[-tv9KP]" file.Z... - echo " -t tests the new files before deleting originals" - echo " -v be verbose" - echo " -9 use the slowest compression method (optimal compression)" - echo " -K keep a .Z file when it is smaller than the $ext file" - echo " -P use pipes for the conversion $warn" - exit 1 -fi - -opt=`echo "$opt" | sed -e 's/ //g' -e 's/-//g'` -case "$opt" in - *t*) check=1; opt=`echo "$opt" | sed 's/t//g'` -esac -case "$opt" in - *K*) keep=1; opt=`echo "$opt" | sed 's/K//g'` -esac -case "$opt" in - *P*) pipe=1; opt=`echo "$opt" | sed 's/P//g'` -esac -if test -n "$opt"; then - opt="-$opt" -fi - -for i do - n=`echo $i | sed 's/.Z$//'` - if test ! -f "$n.Z" ; then - echo $n.Z not found - res=1; continue - fi - test $keep -eq 1 && old=`wc -c < "$n.Z"` - if test $pipe -eq 1; then - if gzip -d < "$n.Z" | gzip $opt > "$n$ext"; then - # Copy file attributes from old file to new one, if possible. - test -n "$cpmod" && $cpmod $cpmodarg "$n.Z" "$n$ext" 2> /dev/null - else - echo error while recompressing $n.Z - res=1; continue - fi - else - if test $check -eq 1; then - if cp -p "$n.Z" "$n.$$" 2> /dev/null || cp "$n.Z" "$n.$$"; then - : - else - echo cannot backup "$n.Z" - res=1; continue - fi - fi - if gzip -d "$n.Z"; then - : - else - test $check -eq 1 && mv "$n.$$" "$n.Z" - echo error while uncompressing $n.Z - res=1; continue - fi - if gzip $opt "$n"; then - : - else - if test $check -eq 1; then - mv "$n.$$" "$n.Z" && rm -f "$n" - echo error while recompressing $n - else - # compress $n (might be dangerous if disk full) - echo error while recompressing $n, left uncompressed - fi - res=1; continue - fi - fi - test $keep -eq 1 && new=`wc -c < "$n$ext"` - if test $keep -eq 1 -a `expr \( $old + $block - 1 \) / $block` -lt \ - `expr \( $new + $block - 1 \) / $block`; then - if test $pipe -eq 1; then - rm -f "$n$ext" - elif test $check -eq 1; then - mv "$n.$$" "$n.Z" && rm -f "$n$ext" - else - gzip -d "$n$ext" && compress "$n" && rm -f "$n$ext" - fi - echo "$n.Z smaller than $n$ext -- unchanged" - - elif test $check -eq 1; then - if gzip -t "$n$ext" ; then - rm -f "$n.$$" "$n.Z" - else - test $pipe -eq 0 && mv "$n.$$" "$n.Z" - rm -f "$n$ext" - echo error while testing $n$ext, $n.Z unchanged - res=1; continue - fi - elif test $pipe -eq 1; then - rm -f "$n.Z" - fi -done -exit $res |