bash-com/read

#!/bin/bash

# (0) Get current ABS directory
ROOT=$(dirname `realpath $0`);

# (1) Check arguments
test $# -lt 1 && echo "ERR: Missing arguments (name)" && exit 1;

# (2) Manage optional argument #
FLUSH=1;
test $# -ge 2 -a "$2" = "-" && FLUSH=0;

# (2) load configuration file
test -f $ROOT/config_$1 && source $ROOT/config_$1 || ( echo "ERR: No such name" && exit 1 ) || exit 1;

# (3) Read content from file
cat $BUF_IN;

# (4) Flush buffer
test $FLUSH -eq 1 && echo -ne "" > $BUF_IN;