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clarify dd block sizes #66

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clarify dd block sizes #66

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4 changes: 2 additions & 2 deletions pa
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Original file line number Diff line number Diff line change
Expand Up @@ -134,7 +134,7 @@ rand_chars() {
#
# $1 = number of chars to receive
# $2 = filter for the chars
LC_ALL=C tr -dc "$2" </dev/urandom | dd ibs=1 obs=1 count="$1" 2>/dev/null
LC_ALL=C tr -dc "$2" </dev/urandom | dd bs=1 count="$1" 2>/dev/null
}

yn() {
Expand All @@ -146,7 +146,7 @@ yn() {

# Read a single byte from stdin using 'dd'. POSIX 'read' has
# no support for single/'N' byte based input from the user.
answer=$(dd ibs=1 count=1 2>/dev/null)
answer=$(dd bs=1 count=1 2>/dev/null)

# Disable raw input, leaving the terminal how we *should*
# have found it.
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