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-rw-r--r--bash/bashrc.d/grep.bash43
-rw-r--r--bash/bashrc.d/ls.bash28
-rw-r--r--sh/profile.d/grep.sh2
3 files changed, 35 insertions, 38 deletions
diff --git a/bash/bashrc.d/grep.bash b/bash/bashrc.d/grep.bash
index 3605a925..3f8e44e0 100644
--- a/bash/bashrc.d/grep.bash
+++ b/bash/bashrc.d/grep.bash
@@ -1,39 +1,34 @@
+# Store whether we have colors in a variable
+declare -i colors
+colors=$( {
+ tput Co || tput colors
+} 2>/dev/null )
+
# Store grep(1)'s --help output in a variable
grep_help=$(grep --help 2>/dev/null)
-# Use GREP_OPTIONS to add some useful options to grep(1) calls if applicable
-declare -a grep_options
+# Use GREPOPTS to add some useful options to grep(1) calls if applicable; we
+# use a function wrapper to do this, rather than GREP_OPTIONS as we don't want
+# to change grep(1)'s actual behaviour inside scripts
+declare -a GREPOPTS
+if [[ -n $GREP_COLORS ]] && ((colors >= 8)) ; then
+ GREPOPTS=("${GREPOPTS[@]}" --color=auto)
+fi
if [[ $grep_help == *--binary-files* ]] ; then
- grep_options=("${grep_options[@]}" --binary-files=without-match)
+ GREPOPTS=("${GREPOPTS[@]}" --binary-files=without-match)
fi
if [[ $grep_help == *--exclude* ]] ; then
- grep_options=("${grep_options[@]}" --exclude={.gitignore,.gitmodules})
+ GREPOPTS=("${GREPOPTS[@]}" --exclude={.gitignore,.gitmodules})
fi
if [[ $grep_help == *--exclude-dir* ]] ; then
- grep_options=("${grep_options[@]}" --exclude-dir={.cvs,.git,.hg,.svn})
+ GREPOPTS=("${GREPOPTS[@]}" --exclude-dir={.cvs,.git,.hg,.svn})
fi
-GREP_OPTIONS=${grep_options[*]}
-unset -v grep_options
-# We're done parsing grep(1)'s --help output now
-unset -v grep_help
-
-# Define function wrapper for grep(1) with --color option if GREP_COLORS is
-# set; checks that color is available in the terminal within the function
-if [[ ! -n $GREP_COLORS ]] ; then
- return
-fi
+# Done, unset helper vars
+unset -v grep_help colors
# Define function proper
grep() {
- local -i colors
- colors=$( {
- tput Co || tput colors
- } 2>/dev/null )
- if ((colors >= 8)) ; then
- command grep --color=auto "$@"
- else
- command grep "$@"
- fi
+ command grep "${GREPOPTS[@]}" "$@"
}
diff --git a/bash/bashrc.d/ls.bash b/bash/bashrc.d/ls.bash
index 31beb302..0fd246fe 100644
--- a/bash/bashrc.d/ls.bash
+++ b/bash/bashrc.d/ls.bash
@@ -1,19 +1,21 @@
-# Define function wrapper for ls(1) with --color option if LS_COLORS is set;
-# checks that color is available in the terminal within the function
-if [[ ! -n $LS_COLORS ]] ; then
- return
+# Store whether we have colors in a variable
+declare -i colors
+colors=$( {
+ tput Co || tput colors
+} 2>/dev/null )
+
+# Use LSOPTS to add some useful options to ls(1) calls if applicable; we use a
+# function wrapper to do this
+declare -a LSOPTS
+if [[ -n $LS_COLORS ]] && ((colors >= 8)) ; then
+ LSOPTS=("${LSOPTS[@]}" --color=auto)
fi
+# Done, unset helper var
+unset -v colors
+
# Define function proper
ls() {
- local -i colors
- colors=$( {
- tput Co || tput colors
- } 2>/dev/null )
- if ((colors >= 8)) ; then
- command ls --color=auto "$@"
- else
- command ls "$@"
- fi
+ command ls "${LSOPTS[@]}" "$@"
}
diff --git a/sh/profile.d/grep.sh b/sh/profile.d/grep.sh
index bcdb009e..4e27b087 100644
--- a/sh/profile.d/grep.sh
+++ b/sh/profile.d/grep.sh
@@ -1,7 +1,7 @@
# Store grep(1)'s --help output in a variable
grep_help=$(grep --help 2>/dev/null)
-# Use GREP_COLORS to add color output to grep(1) if option available
+# Run dircolors(1) to export LS_COLORS if available and appropriate
case $grep_help in
*--color*)
GREP_COLORS='ms=01;31:mc=01;31:sl=:cx=:fn=35:ln=32:bn=32:se=36'