ViktorStiskala

#!/bin/bash
set -e
err_report() {
    ERR=$?
    echo "$1 failed on line $2 ('$3') with error code $ERR" 1>&2
    exit $ERR
}

trap 'err_report "$BASH_SOURCE" "$LINENO" "$BASH_COMMAND"' ERR
echo "l" | grep f

ViktorStiskala

# source: https://wiki.archlinux.org/index.php/Color_Bash_Prompt

txtblk='\e[0;30m' # Black - Regular
txtred='\e[0;31m' # Red
txtgrn='\e[0;32m' # Green
txtylw='\e[0;33m' # Yellow
txtblu='\e[0;34m' # Blue
txtpur='\e[0;35m' # Purple
txtcyn='\e[0;36m' # Cyan
txtwht='\e[0;37m' # White

ViktorStiskala

def note_error(self, *msg):
    if self.strict:
        raise PermError(*msg)
    # if lax mode, note error and continue
    if not self.perm_error:
        try:
            raise PermError(*msg)
        except PermError as x:
            # FIXME: keep a list of errors for even friendlier diagnostics.
            self.perm_error = x

ViktorStiskala

def validate_account_number(value):
    checksum = sum(int(value[i]) * (8-i) for i in range(7)) % 11
    last_digit = int(value[-1])

    if checksum in [0, 10]:
        c = 1
    elif checksum == 1:
        c = 0
    else:
        c = 11 - checksum