zshrc: `cat' is not needed in the `cat <<' syntax

[grml-etc-core.git] / etc / zsh / zshrc

diff --git a/etc/zsh/zshrc b/etc/zsh/zshrc
index 2e0cafa..bf6a902 100644 (file)
--- a/etc/zsh/zshrc
+++ b/etc/zsh/zshrc
@@ -1875,7 +1875,7 @@ fi
 # below, which gets called when the user does this: prompt -h grml
 
 function prompt_grml_help () {
-    cat <<__EOF0__
+    <<__EOF0__
   prompt grml
 
     This is the prompt as used by the grml-live system <http://grml.org>. It is
@@ -1932,7 +1932,7 @@ __EOF0__
 }
 
 function prompt_grml-chroot_help () {
-    cat <<__EOF0__
+    <<__EOF0__
   prompt grml-chroot
 
     This is a variation of the grml prompt, see: prompt -h grml
@@ -1946,7 +1946,7 @@ __EOF0__
 }
 
 function prompt_grml-large_help () {
-    cat <<__EOF0__
+    <<__EOF0__
   prompt grml-large
 
     This is a variation of the grml prompt, see: prompt -h grml
@@ -2061,7 +2061,7 @@ function grml_theme_has_token () {
 }
 
 function GRML_theme_add_token_usage () {
-    cat <<__EOF__
+    <<__EOF0__
   Usage: grml_theme_add_token <name> [-f|-i] <token/function> [<pre> <post>]
 
     <name> is the name for the newly added token. If the \`-f' or \`-i' options
@@ -2102,7 +2102,7 @@ function GRML_theme_add_token_usage () {
 
     After that, you will be able to use a changed \`items' style to
     assemble your prompt.
-__EOF__
+__EOF0__
 }
 
 function grml_theme_add_token () {
@@ -2609,12 +2609,12 @@ fi
 if [[ -L /usr/bin/cdrecord ]] || ! check_com -c cdrecord; then
     if check_com -c wodim; then
         cdrecord() {
-            cat <<EOMESS
+            <<__EOF0__
 cdrecord is not provided under its original name by Debian anymore.
 See #377109 in the BTS of Debian for more details.
 
 Please use the wodim binary instead
-EOMESS
+__EOF0__
             return 1
         }
     fi
@@ -3025,7 +3025,7 @@ fi
 bk() {
     emulate -L zsh
     local current_date=$(date -u "+%Y-%m-%dT%H:%M:%SZ")
-    local clean keep move verbose result all
+    local clean keep move verbose result all to_bk
     setopt extended_glob
     keep=1
     while getopts ":hacmrv" opt; do
@@ -3035,7 +3035,7 @@ bk() {
             m) unset keep clean && (( ++move ));;
             r) unset move keep && (( ++clean ));;
             v) verbose="-v";;
-            h) cat << EOT
+            h) <<__EOF0__
 bk [-hcmv] FILE [FILE ...]
 bk -r [-av] [FILE [FILE ...]]
 Backup a file or folder in place and append the timestamp
@@ -3054,22 +3054,24 @@ The -c, -r and -m options are mutually exclusive. If specified at the same time,
 the last one is used.
 
 The return code is the sum of all cp/mv/rm return codes.
-EOT
-; return 0;;
+__EOF0__
+return 0;;
             \?) bk -h >&2; return 1;;
         esac
     done
     shift "$((OPTIND-1))"
     if (( keep > 0 )); then
-        while (( $# > 0 )); do
-            if islinux || isfreebsd; then
-                cp $verbose -a "${1%/}" "${1%/}_$current_date"
-            else
-                cp $verbose -pR "${1%/}" "${1%/}_$current_date"
-            fi
-            (( result += $? ))
-            shift
-        done
+        if islinux || isfreebsd; then
+            for to_bk in "$@"; do
+                cp $verbose -a "${to_bk%/}" "${to_bk%/}_$current_date"
+                (( result += $? ))
+            done
+        else
+            for to_bk in "$@"; do
+                cp $verbose -pR "${to_bk%/}" "${to_bk%/}_$current_date"
+                (( result += $? ))
+            done
+        fi
     elif (( move > 0 )); then
         while (( $# > 0 )); do
             mv $verbose "${1%/}" "${1%/}_$current_date"
@@ -3078,10 +3080,9 @@ EOT
         done
     elif (( clean > 0 )); then
         if (( $# > 0 )); then
-            while (( $# > 0 )); do
-                rm $verbose -rf "${1%/}"_[0-9](#c4,)-(0[0-9]|1[0-2])-([0-2][0-9]|3[0-1])T([0-1][0-9]|2[0-3])(:[0-5][0-9])(#c2)Z
+            for to_bk in "$@"; do
+                rm $verbose -rf "${to_bk%/}"_[0-9](#c4,)-(0[0-9]|1[0-2])-([0-2][0-9]|3[0-1])T([0-1][0-9]|2[0-3])(:[0-5][0-9])(#c2)Z
                 (( result += $? ))
-                shift
             done
         else
             if (( all > 0 )); then