shellcheck: Fix SC2002 issue

See,

$ find . -name "*.sh" | xargs shellcheck -i SC2002

For more information:
  https://www.shellcheck.net/wiki/SC2002 -- Useless cat. Consider 'cmd < file...

Signed-off-by: Mario Trangoni <mjtrangoni@gmail.com>

3 files changed, 9 insertions, 9 deletions

diff --git a/nx-X11/lib/src/util/mkks.sh b/nx-X11/lib/src/util/mkks.sh
index ab5ca80c9..1831081f9 100644
--- a/nx-X11/lib/src/util/mkks.sh
+++ b/nx-X11/lib/src/util/mkks.sh
@@ -1,10 +1,10 @@
 #!/bin/sh
 
-cat $* | awk 'BEGIN { \
+awk 'BEGIN { \
     printf "/*\n * This file is generated from %s.  Do not edit.\n */\n", \
 	   "$(INCLUDESRC)/keysymdef.h";\
 } \
 /^#define/ { \
 	len = length($2)-3; \
 	printf("{ \"%s\", %s },\n", substr($2,4,len), $3); \
-}'
+}' $*
diff --git a/regenerate-symbol-docs.sh b/regenerate-symbol-docs.sh
index 96b23c9d8..05548bdb0 100755
--- a/regenerate-symbol-docs.sh
+++ b/regenerate-symbol-docs.sh
@@ -24,7 +24,7 @@ SYMBOLS_FILE="doc/libNX_X11/symbols/libNX_X11::symbols.txt"
 DOC_FILE="doc/libNX_X11/symbols/libNX_X11::symbol-usage_internally.txt"
 echo "Scanning for libNX_X11 symbols: in libNX_X11 internally: $DOC_FILE"
 cd nx-X11/lib/X11/
-cat "../../../$SYMBOLS_FILE"  | grep -v -E "^#" | while read -r symbol; do
+grep -v -E "^#" "../../../$SYMBOLS_FILE" | while read -r symbol; do
 
 	echo
 	echo "#### $symbol ####"
@@ -36,7 +36,7 @@ cd - 1>/dev/null
 DOC_FILE="doc/libNX_X11/symbols/libNX_X11::symbol-usage_nxagent.txt"
 echo "Scanning for libNX_X11 symbols: in hw/nxagent: $DOC_FILE"
 cd nx-X11/programs/Xserver/hw/nxagent/
-cat "../../../../../$SYMBOLS_FILE"  | grep -v -E "^#" | while read -r symbol; do
+grep -v -E "^#" "../../../../../$SYMBOLS_FILE" | while read -r symbol; do
 
 	echo
 	echo "#### $symbol ####"
@@ -48,7 +48,7 @@ cd - 1>/dev/null
 DOC_FILE="doc/libNX_X11/symbols/libNX_X11::symbol-usage_nxcompext.txt"
 echo "Scanning for libNX_X11 symbols: in hw/nxagent/compext: $DOC_FILE"
 cd nx-X11/programs/Xserver/hw/nxagent/compext/
-cat "../../../../../../$SYMBOLS_FILE" | grep -v -E "^#" | while read -r symbol; do
+grep -v -E "^#" "../../../../../../$SYMBOLS_FILE" | while read -r symbol; do
 
 	echo
 	echo "#### $symbol ####"
@@ -65,7 +65,7 @@ SYMBOLS_FILE="doc/nxcompext/symbols/nxcompext::symbols.txt"
 DOC_FILE="doc/nxcompext/symbols/nxcompext::symbol-usage_internally.txt"
 echo "Scanning for nxcompext symbols: in hw/nxagent/compext internally: $DOC_FILE"
 cd nx-X11/programs/Xserver/hw/nxagent/compext/
-cat "../../../../../../$SYMBOLS_FILE" | grep -v -E "^#" | while read -r symbol; do
+grep -v -E "^#" "../../../../../../$SYMBOLS_FILE" | while read -r symbol; do
 
 	echo
 	echo "#### $symbol ####"
@@ -77,7 +77,7 @@ cd - 1>/dev/null
 DOC_FILE="doc/nxcompext/symbols/nxcompext::symbol-usage_nxagent.txt"
 echo "Scanning for nxcompext symbols: in hw/nxagent: $DOC_FILE"
 cd nx-X11/programs/Xserver/hw/nxagent/
-cat ../../../../../$SYMBOLS_FILE  | grep -v -E "^#" | while read -r symbol; do
+grep -v -E "^#" "../../../../../$SYMBOLS_FILE" | while read -r symbol; do
 
 	echo
 	echo "#### $symbol ####"
diff --git a/roll-tarballs.sh b/roll-tarballs.sh
index 5d0b7c215..2e2a19f7a 100755
--- a/roll-tarballs.sh
+++ b/roll-tarballs.sh
@@ -161,7 +161,7 @@ if [ "x$MODE" = "xfull" ]; then
     find nx-X11/extras/Mesa/ -name descrip.mms | while read -r file; do rm "$file"; done
 
     # this is for 3.5.0.x only...
-    cat "debian/patches/series" | sort | grep -v '^#' | egrep "([0-9]+(_|-).*\.(full|full\+lite)\.patch)" | while read -r file
+    sort "debian/patches/series" | grep -v '^#' | egrep "([0-9]+(_|-).*\.(full|full\+lite)\.patch)" | while read -r file
     do
         cp -v "debian/patches/$file" "doc/applied-patches/"
         echo "${file##*/}" >> "doc/applied-patches/series"
@@ -198,7 +198,7 @@ else
     mv LICENSE.nxcomp LICENSE
 
     # this is for 3.5.0.x only...
-    cat "debian/patches/series" | sort | grep -v '^#' | egrep "([0-9]+(_|-).*\.full\+lite\.patch)" | while read -r file
+    sort "debian/patches/series" | grep -v '^#' | egrep "([0-9]+(_|-).*\.full\+lite\.patch)" | while read -r file
     do
         cp -v "debian/patches/$file" "doc/applied-patches/"
         echo "${file##*/}" >> "doc/applied-patches/series"