Safely escaped all potentially unsafe variables.

And probably a couple already safe ones too.

19 files changed, 128 insertions, 143 deletions

diff --git a/bg1/install-1cd-totsc-uk.sh b/bg1/install-1cd-totsc-uk.sh
index 9f2f582..3584c07 100755
--- a/bg1/install-1cd-totsc-uk.sh
+++ b/bg1/install-1cd-totsc-uk.sh
@@ -17,8 +17,8 @@
 # Tales of the Sword Coast (1CD UK version)
 
 scriptdir="$(dirname $0)"/..
-source "$scriptdir/includes/generic-includes.sh"
-source "$scriptdir/includes/cd-includes.sh"
+source "${scriptdir}/includes/generic-includes.sh"
+source "${scriptdir}/includes/cd-includes.sh"
 
 parseargs "$@"
 
@@ -28,24 +28,21 @@ getcd 1 $BG1_TOTSC_1CD_UK_MD5 data1.cab
 
 mkdir -p "$TARGETDIR" || die
 
-unshield -L x $CDMOUNT/data1.cab -d "$TARGETDIR" || die
+unshield -L x "${CDMOUNT}/data1.cab" -d "$TARGETDIR" || die
 
-cp $CDMOUNT/dialog.tlk "$TARGETDIR" || die
+cp "${CDMOUNT}/dialog.tlk" "$TARGETDIR" || die
 
-mkdir -p "$TARGETDIR"/save || die
+mkdir -p "${TARGETDIR/save}" || die
 
-cp -R "$TARGETDIR"/minimumdata/* "$TARGETDIR" || die
-rm -r "$TARGETDIR"/minimumdata
+move_and_remove "${TARGETDIR}/minimumdata" "$TARGETDIR"
+move_and_remove "${TARGETDIR}/english" "$TARGETDIR"
 
-cp -R "$TARGETDIR"/english/* "$TARGETDIR" || die
-rm -r "$TARGETDIR"/english
+cp -R "${CDMOUNT}/override/"* "${TARGETDIR}/override/" || die
 
-cp -R "$CDMOUNT"/override/* "$TARGETDIR"/override/ || die
-
-mkdir -p "$TARGETDIR"/movies
+mkdir -p "${TARGETDIR}/movies"
 copylower "$CDMOUNT/cd6/" "$TARGETDIR"
 
-mkdir -p "$TARGETDIR"/mpsave
-cp -R $CDMOUNT/[Ss]ave/* "$TARGETDIR"/mpsave || die
+mkdir -p "${TARGETDIR}/mpsave"
+cp -R "${CDMOUNT}/"[Ss]ave/* "${TARGETDIR}/mpsave" || die
 
 setperms "$TARGETDIR"
diff --git a/bg1/install-3cd-extra.sh b/bg1/install-3cd-extra.sh
index fe31c32..7af0cbb 100755
--- a/bg1/install-3cd-extra.sh
+++ b/bg1/install-3cd-extra.sh
@@ -17,23 +17,23 @@
 # Extra Baldur's Gate (3CD version) content (so CDs aren't needed)
 
 scriptdir="$(dirname $0)"/..
-source "$scriptdir/includes/generic-includes.sh"
-source "$scriptdir/includes/cd-includes.sh"
+source "${scriptdir}/includes/generic-includes.sh"
+source "${scriptdir}/includes/cd-includes.sh"
 
 parseargs "$@"
 
-copylower "$CDMOUNT/cd1/" "$TARGETDIR"
+copylower "${CDMOUNT}/cd1/" "$TARGETDIR"
 
 CD2_MD5="c04758a6af171bf9a35d8e3d4dcd807c"
 CD3_MD5="ba4224f50f890e10561d22f602d6a991"
 
 getcd 2 $CD2_MD5 CD2/Movies/MovieCD2.bif
-copylower "$CDMOUNT/cd2/" "$TARGETDIR"
-copylower "$CDMOUNT/cd5/" "$TARGETDIR"
-cp $CDMOUNT/Manual/Baldur.pdf "$TARGETDIR"/manual || die
+copylower "${CDMOUNT}/cd2/" "$TARGETDIR"
+copylower "${CDMOUNT}/cd5/" "$TARGETDIR"
+cp "${CDMOUNT}/Manual/Baldur.pdf" "${TARGETDIR}/manual" || die
 
-getcd 3 $CD3_MD5 CD3/Movies/MovieCD3.bif
-copylower "$CDMOUNT/cd3/" "$TARGETDIR"
-copylower "$CDMOUNT/cd4/" "$TARGETDIR"
-copylower "$CDMOUNT/cd6/" "$TARGETDIR"
+getcd 3 "$CD3_MD5" "CD3/Movies/MovieCD3.bif"
+copylower "${CDMOUNT}/cd3/" "$TARGETDIR"
+copylower "${CDMOUNT}/cd4/" "$TARGETDIR"
+copylower "${CDMOUNT}/cd6/" "$TARGETDIR"
 setperms "$TARGETDIR"
diff --git a/bg1/install-3cd-minimal.sh b/bg1/install-3cd-minimal.sh
index 57d9173..f6446cf 100755
--- a/bg1/install-3cd-minimal.sh
+++ b/bg1/install-3cd-minimal.sh
@@ -17,8 +17,8 @@
 # Baldur's Gate & Tales of the Sword Coast (3CD version) minimal
 
 scriptdir="$(dirname $0)"/..
-source "$scriptdir/includes/generic-includes.sh"
-source "$scriptdir/includes/cd-includes.sh"
+source "${scriptdir}/includes/generic-includes.sh"
+source "${scriptdir}/includes/cd-includes.sh"
 
 parseargs "$@"
 
@@ -28,28 +28,23 @@ getcd 1 $BG1_TOTSC_3CD_US_MD5 data1.cab
 
 mkdir -p "$TARGETDIR" || die
 
-cp $CDMOUNT/dialog.tlk "$TARGETDIR" || die
+cp "${CDMOUNT}/dialog.tlk" "$TARGETDIR" || die
 
-unshield -L x $CDMOUNT/data1.cab -d "$TARGETDIR" || die
+unshield -L x "${CDMOUNT}/data1.cab" -d "$TARGETDIR" || die
 
-cp -R "$TARGETDIR"/minimumdata/* "$TARGETDIR" || die
-rm -r "$TARGETDIR"/minimumdata
+move_and_remove "${TARGETDIR}/minimumdata" "${TARGETDIR}"
+move_and_remove "${TARGETDIR}/english_sounds/sounds" "${TARGETDIR}/sounds"
+move_and_remove "${TARGETDIR}/english" "${TARGETDIR}"
 
-cp -R "$TARGETDIR"/english_sounds/sounds/* "$TARGETDIR"/sounds/ || die
-rm -r "$TARGETDIR"/english_sounds
+mkdir -p "${TARGETDIR}/movies"
+mkdir -p "${TARGETDIR}/manual"
 
-cp -R "$TARGETDIR"/english/* "$TARGETDIR" || die
-rm -r "$TARGETDIR"/english
+mkdir -p "${TARGETDIR}/save"
+cp -R "${CDMOUNT}/"[Ss]ave/* "${TARGETDIR}/save" || die
 
-mkdir -p "$TARGETDIR"/movies
-mkdir -p "$TARGETDIR"/manual
+cp "${CDMOUNT}/Manual/BGManual.pdf" "${TARGETDIR}/manual/" || die
+cp "${CDMOUNT}/Manual/TotscManual.pdf" "${TARGETDIR}/manual/" || die
 
-mkdir -p "$TARGETDIR"/save
-cp -R $CDMOUNT/[Ss]ave/* "$TARGETDIR"/save || die
-
-cp $CDMOUNT/Manual/BGManual.pdf "$TARGETDIR"/manual/ || die
-cp $CDMOUNT/Manual/TotscManual.pdf "$TARGETDIR"/manual/ || die
-
-cp $CDMOUNT/baldur.ico "$TARGETDIR" || die
+cp "${CDMOUNT}/baldur.ico" "$TARGETDIR" || die
 
 setperms "$TARGETDIR"
diff --git a/bg1/install-5cd-extra.sh b/bg1/install-5cd-extra.sh
index 9e6847d..df5dbef 100755
--- a/bg1/install-5cd-extra.sh
+++ b/bg1/install-5cd-extra.sh
@@ -17,8 +17,8 @@
 # Extra Baldur's Gate (5CD International version) content (so CDs aren't needed)
 
 scriptdir="$(dirname $0)"/..
-source "$scriptdir/includes/generic-includes.sh"
-source "$scriptdir/includes/cd-includes.sh"
+source "${scriptdir}/includes/generic-includes.sh"
+source "${scriptdir}/includes/cd-includes.sh"
 
 parseargs "$@"
 
@@ -31,10 +31,10 @@ for CDNUMBER in 1 2 3 4 5; do
 		5 ) moviesum="f19415703d3ccad01325b9338380ac7c" ;;
 	esac
 
-	if [ $CDNUMBER -gt 1 ]; then
-		getcd $CDNUMBER $moviesum CD$CDNUMBER/Movies/MovieCD$CDNUMBER.bif
+	if [ "$CDNUMBER" -gt 1 ]; then
+		getcd "$CDNUMBER" "$moviesum" "CD${CDNUMBER}/Movies/MovieCD${CDNUMBER}.bif"
 	fi
 
-	copylower "$CDMOUNT/cd$CDNUMBER/" "$TARGETDIR"
+	copylower "${CDMOUNT}/cd${CDNUMBER}/" "$TARGETDIR"
 	setperms "$TARGETDIR"
 done
diff --git a/bg1/install-5cd-minimal.sh b/bg1/install-5cd-minimal.sh
index 2e6ff59..cd5cfa7 100755
--- a/bg1/install-5cd-minimal.sh
+++ b/bg1/install-5cd-minimal.sh
@@ -17,8 +17,8 @@
 # Baldur's Gate (5CD International version) minimal
 
 scriptdir="$(dirname $0)"/..
-source "$scriptdir/includes/generic-includes.sh"
-source "$scriptdir/includes/cd-includes.sh"
+source "${scriptdir}/includes/generic-includes.sh"
+source "${scriptdir}/includes/cd-includes.sh"
 
 parseargs "$@"
 
@@ -28,24 +28,17 @@ getcd 1 $BG1_5CD_INTL_MD5 data1.cab
 
 mkdir -p "$TARGETDIR" || die
 
-cp $CDMOUNT/dialog.tlk "$TARGETDIR" || die
+cp "${CDMOUNT}/dialog.tlk" "$TARGETDIR" || die
 
-unshield -L x $CDMOUNT/data1.cab -d "$TARGETDIR" || die
+unshield -L x "${CDMOUNT}/data1.cab" -d "$TARGETDIR" || die
 
-cp -R "$TARGETDIR"/minimumdata/* "$TARGETDIR" || die
-rm -r "$TARGETDIR"/minimumdata
+move_and_remove "${TARGETDIR}/minimumdata" "$TARGETDIR"
+move_and_remove "${TARGETDIR}/recommended_music/music" "${TARGETDIR}/music/"
+move_and_remove "${TARGETDIR}/english_sounds/sounds" "${TARGETDIR}/sounds/"
+move_and_remove "${TARGETDIR}/english" "$TARGETDIR"
 
-cp -R "$TARGETDIR"/recommended_music/music/* "$TARGETDIR"/music/ || die
-rm -r "$TARGETDIR"/recommended_music
+mkdir -p "${TARGETDIR}/movies"
 
-cp -R "$TARGETDIR"/english_sounds/sounds/* "$TARGETDIR"/sounds/ || die
-rm -r "$TARGETDIR"/english_sounds
-
-cp -R "$TARGETDIR"/english/* "$TARGETDIR" || die
-rm -r "$TARGETDIR"/english
-
-mkdir -p "$TARGETDIR"/movies
-
-cp $CDMOUNT/baldur.ico "$TARGETDIR" || die
+cp "${CDMOUNT}/baldur.ico" "$TARGETDIR" || die
 
 setperms "$TARGETDIR"
diff --git a/bg1/install-patch-baldurdash-fix.sh b/bg1/install-patch-baldurdash-fix.sh
index be9b3be..a4c2122 100755
--- a/bg1/install-patch-baldurdash-fix.sh
+++ b/bg1/install-patch-baldurdash-fix.sh
@@ -17,8 +17,8 @@
 # BG1/TOTSC Baldurdash fix pack
 
 scriptdir="$(dirname $0)"/..
-source "$scriptdir/includes/generic-includes.sh"
-source "$scriptdir/includes/patch-includes.sh"
+source "${scriptdir}/includes/generic-includes.sh"
+source "${scriptdir}/includes/patch-includes.sh"
 
 parseargs "$@"
 
@@ -30,9 +30,9 @@ getpatch http://www.baldurdash.org/LargeDownloads/BG1FixPack11.exe
 
 # unzip complains unnecessarily about skipping non-zip
 # part so don't print errors or die on failure
-unzip -L $TMPDIR/BG1FixPack11.exe -d $TMPDIR 2>/dev/null
-rm $TMPDIR/BG1FixPack11.exe $TMPDIR/bg1fixpack11readme.txt
-cp $TMPDIR/* "$TARGETDIR/override/" || diesoftly
+unzip -L "${TMPDIR}/BG1FixPack11.exe" -d "$TMPDIR" 2>/dev/null
+rm "${TMPDIR}/BG1FixPack11.exe" "${TMPDIR}/bg1fixpack11readme.txt"
+cp "${TMPDIR}/"* "${TARGETDIR}/override/" || diesoftly
 
 cleanuptmp
 setperms "$TARGETDIR"
diff --git a/bg1/install-patch-baldurdash-text.sh b/bg1/install-patch-baldurdash-text.sh
index 9dbf9a9..7eeee3b 100755
--- a/bg1/install-patch-baldurdash-text.sh
+++ b/bg1/install-patch-baldurdash-text.sh
@@ -17,8 +17,8 @@
 # BG1 Baldurdash text pack
 
 scriptdir="$(dirname $0)"/..
-source "$scriptdir/includes/generic-includes.sh"
-source "$scriptdir/includes/patch-includes.sh"
+source "${scriptdir}/includes/generic-includes.sh"
+source "${scriptdir}/includes/patch-includes.sh"
 
 parseargs "$@"
 
@@ -35,8 +35,8 @@ getpatch http://www.baldurdash.org/LargeDownloads/BG1NoTOSCGameTextUpdate10.exe
 
 # unzip complains unnecessarily about skipping non-zip
 # part so don't print errors or die on failure
-unzip -L $TMPDIR/BG1NoTOSCGameTextUpdate10.exe -d $TMPDIR 2>/dev/null
-cp $TMPDIR/dialog.tlk "$TARGETDIR/" || diesoftly
+unzip -L "${TMPDIR}/BG1NoTOSCGameTextUpdate10.exe" -d "$TMPDIR" 2>/dev/null
+cp "${TMPDIR}/dialog.tlk" "${TARGETDIR}/" || diesoftly
 
 cleanuptmp
 setperms "$TARGETDIR"
diff --git a/bg1/install-patch-intl.sh b/bg1/install-patch-intl.sh
index 2acb59e..0e12853 100755
--- a/bg1/install-patch-intl.sh
+++ b/bg1/install-patch-intl.sh
@@ -17,8 +17,8 @@
 # BG1 official international patch
 
 scriptdir="$(dirname $0)"/..
-source "$scriptdir/includes/generic-includes.sh"
-source "$scriptdir/includes/patch-includes.sh"
+source "${scriptdir}/includes/generic-includes.sh"
+source "${scriptdir}/includes/patch-includes.sh"
 
 parseargs "$@"
 
@@ -28,11 +28,11 @@ setuptmp
 
 getpatch http://downloads.bioware.com/baldursgate1/bgintl114315.exe
 
-unzip $TMPDIR/bgintl114315.exe -d $TMPDIR || diesoftly
-unshield -g "$LANGUAGE" -L x $TMPDIR/data1.cab -d $TMPDIR || diesoftly
+unzip "${TMPDIR}/bgintl114315.exe" -d "${TMPDIR}" || diesoftly
+unshield -g "$LANGUAGE" -L x "${TMPDIR}/data1.cab" -d "$TMPDIR" || diesoftly
 
 LANGUAGE="$(echo $LANGUAGE|tr A-Z a-z|tr ' ' _)" # alter formatting
-cp -R $TMPDIR/"$LANGUAGE"/* "$TARGETDIR" || diesoftly
+cp -R "${TMPDIR}/${LANGUAGE}/"* "$TARGETDIR" || diesoftly
 
 cleanuptmp
 setperms "$TARGETDIR"
diff --git a/bg1/install-patch-totsc-balderdash-text.sh b/bg1/install-patch-totsc-balderdash-text.sh
index 36e4304..0d16147 100755
--- a/bg1/install-patch-totsc-balderdash-text.sh
+++ b/bg1/install-patch-totsc-balderdash-text.sh
@@ -17,8 +17,8 @@
 # BG1 TOTSC Baldurdash text pack
 
 scriptdir="$(dirname $0)"/..
-source "$scriptdir/includes/generic-includes.sh"
-source "$scriptdir/includes/patch-includes.sh"
+source "${scriptdir}/includes/generic-includes.sh"
+source "${scriptdir}/includes/patch-includes.sh"
 
 parseargs "$@"
 
@@ -35,8 +35,8 @@ getpatch http://www.baldurdash.org/LargeDownloads/BG1TOSCGameTextUpdate11.exe
 
 # unzip complains unnecessarily about skipping non-zip
 # part so don't print errors or die on failure
-unzip -L $TMPDIR/BG1TOSCGameTextUpdate11.exe -d $TMPDIR 2>/dev/null
-cp $TMPDIR/dialog.tlk "$TARGETDIR/" || diesoftly
+unzip -L "${TMPDIR}/BG1TOSCGameTextUpdate11.exe" -d "$TMPDIR" 2>/dev/null
+cp "${TMPDIR}/dialog.tlk" "${TARGETDIR}/" || diesoftly
 
 cleanuptmp
 setperms "$TARGETDIR"
diff --git a/bg1/install-patch-totsc-intl.sh b/bg1/install-patch-totsc-intl.sh
index 19c2b15..b50c0ac 100755
--- a/bg1/install-patch-totsc-intl.sh
+++ b/bg1/install-patch-totsc-intl.sh
@@ -17,8 +17,8 @@
 # BG1 TOTSC official International patch
 
 scriptdir="$(dirname $0)"/..
-source "$scriptdir/includes/generic-includes.sh"
-source "$scriptdir/includes/patch-includes.sh"
+source "${scriptdir}/includes/generic-includes.sh"
+source "${scriptdir}/includes/patch-includes.sh"
 
 parseargs "$@"
 
@@ -28,10 +28,10 @@ setuptmp
 
 getpatch http://downloads.bioware.com/baldursgate1/BGTalesIntl5512.exe
 
-cabextract -L $TMPDIR/BGTalesIntl5512.exe -d $TMPDIR || diesoftly
-unshield -L x $TMPDIR/data1.cab -d $TMPDIR || diesoftly
+cabextract -L "${TMPDIR}/BGTalesIntl5512.exe" -d "$TMPDIR" || diesoftly
+unshield -L x "${TMPDIR}/data1.cab" -d "$TMPDIR" || diesoftly
 
-cp -R $TMPDIR/minimumdata/* "$TARGETDIR" || diesoftly
+cp -R "${TMPDIR}/minimumdata/"* "$TARGETDIR" || diesoftly
 
 cleanuptmp
 setperms "$TARGETDIR"
diff --git a/bg1/install-patch-totsc-uk.sh b/bg1/install-patch-totsc-uk.sh
index 09ea70c..87c93d7 100755
--- a/bg1/install-patch-totsc-uk.sh
+++ b/bg1/install-patch-totsc-uk.sh
@@ -17,8 +17,8 @@
 # BG1 TOTSC official UK patch
 
 scriptdir="$(dirname $0)"/..
-source "$scriptdir/includes/generic-includes.sh"
-source "$scriptdir/includes/patch-includes.sh"
+source "${scriptdir}/includes/generic-includes.sh"
+source "${scriptdir}/includes/patch-includes.sh"
 
 parseargs "$@"
 
@@ -28,10 +28,10 @@ setuptmp
 
 getpatch http://downloads.bioware.com/baldursgate1/BGTalesUK5512.exe
 
-cabextract -L $TMPDIR/BGTalesUK5512.exe -d $TMPDIR || diesoftly
-unshield -L x $TMPDIR/data1.cab -d $TMPDIR || diesoftly
+cabextract -L "${TMPDIR}/BGTalesUK5512.exe" -d "$TMPDIR" || diesoftly
+unshield -L x "${TMPDIR}/data1.cab" -d "$TMPDIR" || diesoftly
 
-cp -R $TMPDIR/minimumdata/* "$TARGETDIR" || diesoftly
+cp -R "${TMPDIR}/minimumdata/"* "$TARGETDIR" || diesoftly
 
 cleanuptmp
 setperms "$TARGETDIR"
diff --git a/bg1/install-patch-totsc-us.sh b/bg1/install-patch-totsc-us.sh
index 5939ac4..90b4d9e 100755
--- a/bg1/install-patch-totsc-us.sh
+++ b/bg1/install-patch-totsc-us.sh
@@ -17,8 +17,8 @@
 # BG1 TOTSC official US/Canada patch
 
 scriptdir="$(dirname $0)"/..
-source "$scriptdir/includes/generic-includes.sh"
-source "$scriptdir/includes/patch-includes.sh"
+source "${scriptdir}/includes/generic-includes.sh"
+source "${scriptdir}/includes/patch-includes.sh"
 
 parseargs "$@"
 
@@ -28,10 +28,10 @@ setuptmp
 
 getpatch http://downloads.bioware.com/baldursgate1/BGTalesUS5512.exe
 
-cabextract -L $TMPDIR/BGTalesUS5512.exe -d $TMPDIR || diesoftly
-unshield -L x $TMPDIR/data1.cab -d $TMPDIR || diesoftly
+cabextract -L "${TMPDIR}/BGTalesUS5512.exe" -d "$TMPDIR" || diesoftly
+unshield -L x "${TMPDIR}/data1.cab" -d "$TMPDIR" || diesoftly
 
-cp -R $TMPDIR/minimumdata/* "$TARGETDIR" || diesoftly
+cp -R "${TMPDIR}/minimumdata/"* "$TARGETDIR" || diesoftly
 
 cleanuptmp
 setperms "$TARGETDIR"
diff --git a/bg1/install-patch-us.sh b/bg1/install-patch-us.sh
index c3fe4b0..30387c2 100755
--- a/bg1/install-patch-us.sh
+++ b/bg1/install-patch-us.sh
@@ -17,8 +17,8 @@
 # BG1 official US/Canada patch
 
 scriptdir="$(dirname $0)"/..
-source "$scriptdir/includes/generic-includes.sh"
-source "$scriptdir/includes/patch-includes.sh"
+source "${scriptdir}/includes/generic-includes.sh"
+source "${scriptdir}/includes/patch-includes.sh"
 
 parseargs "$@"
 
@@ -28,10 +28,10 @@ setuptmp
 
 getpatch http://downloads.bioware.com/baldursgate1/bg114315.exe
 
-cabextract -L $TMPDIR/bg114315.exe -d $TMPDIR || diesoftly
-unshield -L x $TMPDIR/data1.cab -d $TMPDIR || diesoftly
+cabextract -L "${TMPDIR}/bg114315.exe" -d "$TMPDIR" || diesoftly
+unshield -L x "${TMPDIR}/data1.cab" -d "$TMPDIR" || diesoftly
 
-cp -R $TMPDIR/english/* "$TARGETDIR" || diesoftly
+cp -R "${TMPDIR}/english/"* "$TARGETDIR" || diesoftly
 
 cleanuptmp
 setperms "$TARGETDIR"
diff --git a/bg2/install-4cd-minimal-us.sh b/bg2/install-4cd-minimal-us.sh
index 3f61614..e4dc0cb 100755
--- a/bg2/install-4cd-minimal-us.sh
+++ b/bg2/install-4cd-minimal-us.sh
@@ -19,8 +19,8 @@
 # 02110-1301 USA.
 
 scriptdir="$(dirname $0)"/..
-source "$scriptdir/includes/generic-includes.sh"
-source "$scriptdir/includes/cd-includes.sh"
+source "${scriptdir}/includes/generic-includes.sh"
+source "${scriptdir}/includes/cd-includes.sh"
 
 parseargs "$@"
 
@@ -31,10 +31,10 @@ getcd 1 $BG2_4CD_US_MD5 data1.cab
 mkdir -p "$TARGETDIR" || die
 mkdir -p "${TARGETDIR}/portraits" || die
 
-cp $CDMOUNT/baldur.ico "$TARGETDIR" || die
+cp "${CDMOUNT}/baldur.ico" "$TARGETDIR" || die
 
 # FIXME: strip hd0_ from all folder names
-unshield -L x $CDMOUNT/data1.cab -d "$TARGETDIR" || die
+unshield -L x "${CDMOUNT}/data1.cab" -d "$TARGETDIR" || die
 
 rm -r "${TARGETDIR}/_"* # remove all the the fake directories.
 
diff --git a/pst/install-2cd-extra.sh b/pst/install-2cd-extra.sh
index f37e173..82e9002 100755
--- a/pst/install-2cd-extra.sh
+++ b/pst/install-2cd-extra.sh
@@ -17,8 +17,8 @@
 # Extra Planescape: Torment (2CD version) content (so CDs aren't needed)
 
 scriptdir="$(dirname $0)"/..
-source "$scriptdir/includes/generic-includes.sh"
-source "$scriptdir/includes/cd-includes.sh"
+source "${scriptdir}/includes/generic-includes.sh"
+source "${scriptdir}/includes/cd-includes.sh"
 
 parseargs "$@"
 
@@ -26,16 +26,16 @@ checkforbin unshield
 
 CD2="610d9f6354be741b09fc25b5e9645328"
 
-getcd 1 $PST_2CD_MD5 data1.cab
+getcd 1 "$PST_2CD_MD5" data1.cab
 
-unshield -g OtherData -L x $CDMOUNT/data1.cab -d "$TARGETDIR" || die
-unshield -g OtherData -L x $CDMOUNT/data2.cab -d "$TARGETDIR" || die
+unshield -g OtherData -L x "${CDMOUNT}/data1.cab" -d "$TARGETDIR" || die
+unshield -g OtherData -L x "${CDMOUNT}/data2.cab" -d "$TARGETDIR" || die
 
-mv "$TARGETDIR"/otherdata/* "$TARGETDIR" || die
-rmdir "$TARGETDIR"/otherdata || die
+mv "${TARGETDIR}/otherdata/"* "$TARGETDIR" || die
+rmdir "${TARGETDIR}/otherdata" || die
 
-getcd 2 $CD2 cd2/movies4.bif
+getcd 2 "$CD2" "cd2/movies4.bif"
 
-copylower "$CDMOUNT/cd2/" "$TARGETDIR" || die
+copylower "${CDMOUNT}/cd2/" "$TARGETDIR" || die
 
 setperms "$TARGETDIR"
diff --git a/pst/install-2cd-minimal.sh b/pst/install-2cd-minimal.sh
index 61ff812..7541216 100755
--- a/pst/install-2cd-minimal.sh
+++ b/pst/install-2cd-minimal.sh
@@ -17,8 +17,8 @@
 # Planescape: Torment (2CD version) minimal
 
 scriptdir="$(dirname $0)"/..
-source "$scriptdir/includes/generic-includes.sh"
-source "$scriptdir/includes/cd-includes.sh"
+source "${scriptdir}/includes/generic-includes.sh"
+source "${scriptdir}/includes/cd-includes.sh"
 
 parseargs "$@"
 
@@ -28,16 +28,16 @@ getcd 1 $PST_2CD_MD5 data1.cab
 
 mkdir -p "$TARGETDIR" || die
 
-unshield -g MinimumData -L x $CDMOUNT/data1.cab -d "$TARGETDIR" || die
-unshield -g MinimumData -L x $CDMOUNT/data2.cab -d "$TARGETDIR" || die
+unshield -g MinimumData -L x "${CDMOUNT}/data1.cab" -d "$TARGETDIR" || die
+unshield -g MinimumData -L x "${CDMOUNT}/data2.cab" -d "$TARGETDIR" || die
 
-cp $CDMOUNT/Manual/Torment.pdf "$TARGETDIR"/manual.pdf || die
-cp $CDMOUNT/Torment.ico "$TARGETDIR"/torment.ico || die
-cp $CDMOUNT/Torment.ex_ "$TARGETDIR"/torment.exe || die
+cp "${CDMOUNT}/Manual/Torment.pdf" "${TARGETDIR}/manual.pdf" || die
+cp "${CDMOUNT}/Torment.ico" "${TARGETDIR}/torment.ico" || die
+cp "${CDMOUNT}/Torment.ex_" "${TARGETDIR}/torment.exe" || die
 
-mv "$TARGETDIR"/minimumdata/* "$TARGETDIR" || die
-rmdir "$TARGETDIR"/minimumdata || die
+mv "${TARGETDIR}/minimumdata/"* "$TARGETDIR" || die
+rmdir "${TARGETDIR}/minimumdata" || die
 
-mkdir -p "$TARGETDIR/save" || die
+mkdir -p "${TARGETDIR}/save" || die
 
 setperms "$TARGETDIR"
diff --git a/pst/install-4cd-extra.sh b/pst/install-4cd-extra.sh
index f66c79e..1344d65 100755
--- a/pst/install-4cd-extra.sh
+++ b/pst/install-4cd-extra.sh
@@ -17,8 +17,8 @@
 # Extra Planescape: Torment (4CD version) content (so CDs aren't needed)
 
 scriptdir="$(dirname $0)"/..
-source "$scriptdir/includes/generic-includes.sh"
-source "$scriptdir/includes/cd-includes.sh"
+source "${scriptdir}/includes/generic-includes.sh"
+source "${scriptdir}/includes/cd-includes.sh"
 
 parseargs "$@"
 
@@ -29,12 +29,12 @@ CD3="6ffd2c51a41603c7dca6196d9bef2e26"
 CD4="b70322aaa7b1d61a168a766eba399085"
 
 getcd 2  $CD2 cd2/movies2.bif
-copylower "$CDMOUNT/cd2/" "$TARGETDIR" || die
+copylower "${CDMOUNT}/cd2/" "$TARGETDIR" || die
 
 getcd 3 $CD3 cd3/AR0500.bif
-copylower "$CDMOUNT/cd3/" "$TARGETDIR" || die
+copylower "${CDMOUNT}/cd3/" "$TARGETDIR" || die
 
 getcd 4 $CD4 cd4/movies4.bif
-copylower "$CDMOUNT/cd4/" "$TARGETDIR" || die
+copylower "${CDMOUNT}/cd4/" "$TARGETDIR" || die
 
 setperms "$TARGETDIR"
diff --git a/pst/install-4cd-minimal.sh b/pst/install-4cd-minimal.sh
index 09cd175..8ee12dd 100755
--- a/pst/install-4cd-minimal.sh
+++ b/pst/install-4cd-minimal.sh
@@ -17,8 +17,8 @@
 # Installs Planescape: Torment (4CD version) minimal
 
 scriptdir="$(dirname $0)"/..
-source "$scriptdir/includes/generic-includes.sh"
-source "$scriptdir/includes/cd-includes.sh"
+source "${scriptdir}/includes/generic-includes.sh"
+source "${scriptdir}/includes/cd-includes.sh"
 
 parseargs "$@"
 
@@ -28,13 +28,13 @@ getcd 1 $PST_4CD_MD5 data1.cab
 
 mkdir -p "$TARGETDIR" || die
 
-unshield -L x $CDMOUNT/data1.cab -d "$TARGETDIR" || die
+unshield -L x "${CDMOUNT}/data1.cab" -d "$TARGETDIR" || die
 
-cp -R "$TARGETDIR"/program_executable_files/* "$TARGETDIR" || die
-rm -r "$TARGETDIR"/program_executable_files
+cp -R "${TARGETDIR}/program_executable_files/"* "$TARGETDIR" || die
+rm -r "${TARGETDIR}/program_executable_files"
 
-cp $CDMOUNT/torment.ico "$TARGETDIR" || die
+cp "${CDMOUNT}/torment.ico" "$TARGETDIR" || die
 
-mkdir -p "$TARGETDIR/save" || die
+mkdir -p "${TARGETDIR}/save" || die
 
 setperms "$TARGETDIR"
diff --git a/pst/install-patch-official.sh b/pst/install-patch-official.sh
index 5a9b200..05cd670 100755
--- a/pst/install-patch-official.sh
+++ b/pst/install-patch-official.sh
@@ -17,8 +17,8 @@
 # Planescape: Torment official patch
 
 scriptdir="$(dirname $0)"/..
-source "$scriptdir/includes/generic-includes.sh"
-source "$scriptdir/includes/patch-includes.sh"
+source "${scriptdir}/includes/generic-includes.sh"
+source "${scriptdir}/includes/patch-includes.sh"
 
 parseargs "$@"
 
@@ -28,10 +28,10 @@ setuptmp
 
 getpatch http://www.sorcerers.net/Games2/Torment/Trmt11.exe
 
-cabextract -L $TMPDIR/Trmt11.exe -d $TMPDIR || diesoftly
-unshield -L x $TMPDIR/data1.cab -d $TMPDIR || diesoftly
+cabextract -L "${TMPDIR}/Trmt11.exe" -d "$TMPDIR" || diesoftly
+unshield -L x "${TMPDIR}/data1.cab" -d "$TMPDIR" || diesoftly
 
-cp -R $TMPDIR/program_executable_files/* "$TARGETDIR" || diesoftly
+cp -R "${TMPDIR}/program_executable_files/"* "$TARGETDIR" || diesoftly
 
 cleanuptmp
 setperms "$TARGETDIR"