shell script functions

scripts/zmap_functions.sh

+#!/bin/echo DOT SCRIPT please source
+
+# A few absolute requirements for non-failure
+if [ "x$SCRIPT_NAME" == "x" ]; then
+    SCRIPT_NAME=$(basename $0)
+fi
+
+if [ "x$ECHO" == "x" ]; then
+    ECHO=/bin/echo
+fi
+
+# message functions
+
+# Usage: zmap_message_out Your Message
+function zmap_message_out
+{
+    now=$(date +%H:%M:%S)
+    $ECHO "[$SCRIPT_NAME ($now)] $*"
+}
+
+# Usage: zmap_message_err Your Message
+function zmap_message_err
+{
+    now=$(date +%H:%M:%S)
+    $ECHO "[$SCRIPT_NAME ($now)] $*" >&2
+}
+
+# Usage: zmap_message_exit Your Message
+function zmap_message_exit
+{
+    zmap_message_err $*
+    exit 1;
+}
+
+function zmap_message_file
+{
+    if [ "x" != "x$1" ]; then
+	local file=$1
+	shift
+	$ECHO "[$SCRIPT_NAME ($now)] $*" >> $file
+    fi
+}
+
+function zmap_create_file
+{
+    if [ "x" != "x$1" ]; then
+	$ECHO -n "" > $1
+    fi
+}
+
+# last absolute requirements
+
+if [ "x$BASE_DIR" == "x" ]; then
+    zmap_message_exit "$0 needs to set BASE_DIR!"
+fi
+
+function zmap_check
+{
+    $ECHO > /dev/null
+}
+
+# common variables
+ZMAP_TRUE=yes
+ZMAP_FALSE=no
+# default assignments...
+zmap_check ${RM:=rm}
+zmap_check ${MKDIR:=mkdir}
+
+
+# common functions
+
+# Usage: zmap_cd <dir>
+function zmap_cd
+{
+    if [ "x$SILENT_CD" != "x$ZMAP_TRUE" ]; then
+	zmap_message_out "cd $1"
+    fi
+    cd $1 || zmap_message_exit "Failed to cd to $1"
+}
+
+function zmap_mkdir
+{
+    $MKDIR -p $1 || zmap_message_exit "Failed to mkdir $1"
+}
+
+function zmap_clean_dir
+{
+    if [ -d $1 ]; then
+	save_dir=$(pwd)
+	zmap_cd $1
+	zmap_message_out "Running $RM -rf ./*"
+	$RM -rf ./* || zmap_message_exit "Failed to remove files in $1"
+	zmap_cd $save_dir
+    fi
+}
+
+
+# Usage: zmap_trap_handle
+function zmap_trap_handle
+{
+    zmap_message_exit "Signal caught!";
+}
+
+trap 'zmap_trap_handle;' INT
+trap 'zmap_trap_handle;' TERM
+trap 'zmap_trap_handle;' QUIT