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13302: division by zero

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Peter Stephenson 2001-01-18 10:25:07 +00:00
parent 757168e2c8
commit 0acd646e94
2 changed files with 48 additions and 8 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
2001-01-18 Peter Stephenson <pws@csr.com>
* 13302: Functions/Zftp/zftp_progress: division by zero
2001-01-16 Sven Wischnowsky <wischnow@zsh.org>
* 13365: Src/builtin.c, Src/exec.c, Src/glob.c, Src/hashtable.c,

52
Functions/Zftp/zftp_progress
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# function zftp_progress {
# Basic progress metre, showing the percent of the file transferred.
# You want growing bars? You gotta write growing bars.
# You want growing bars? You gottem.
# styles used (context :zftp:zfparent_function:):
# progress
# empty or `none' no progress meter
# `bar' use a growing bar of inverse video
# `percent' or other non-blank show the percentage transferred
# If size of remote file is not available, `bar' or `percent' just show
# bytes.
# update
# Minimum time in seconds between updates of the progress display.
local style update=1
# What style: either bar for growing bars, or anything else for simple
# percentage. For bar we need to have the terminal width in COLUMNS,
# which is often set automatically, but you never know.
zstyle -s ":zftp$curcontext" progress style
# How many seconds to wait before printing an updated progress report.
zstyle -s ":zftp$curcontext" update update
# Don't show progress unless stderr is a terminal
[[ ! -t 2 ]] && return 0
[[ ! -t 2 || $style = (|none) ]] && return 0
if [[ $ZFTP_TRANSFER = *F ]]; then
print 1>&2
elif [[ -n $ZFTP_TRANSFER ]]; then
if [[ -n $ZFTP_SIZE ]]; then
local frac="$(( ZFTP_COUNT * 100 / ZFTP_SIZE ))%"
print -n "\r$ZFTP_FILE ($ZFTP_SIZE bytes): $ZFTP_TRANSFER $frac" 1>&2
if [[ -n $ZFTP_TRANSFER ]]; then
# avoid a `parameter unset' message
[[ $ZFTP_TRANSFER != *F ]] &&
(( ${+zftpseconds} )) && (( SECONDS - zftpseconds < update )) && return
# size is usually ZFTP_SIZE, but zftransfer may set ZFTP_TSIZE
local size=${ZFTP_TSIZE:-$ZFTP_SIZE}
if [[ ${size:-0} -ne 0 ]]; then
local frac="$(( ZFTP_COUNT * 100 / size ))%"
if [[ $style = bar && ${+COLUMNS} = 1 && $COLUMNS -gt 0 ]]; then
if (( ! ${+zftpseconds} )); then
print "$ZFTP_FILE ($size bytes): $ZFTP_TRANSFER" 1>&2
fi
integer maxwidth=$(( COLUMNS - 7 ))
local width="$(( ZFTP_COUNT * maxwidth / size ))"
print -nP "\r%S${(l:width:):-}%s${(l:maxwidth-width:):-}: ${frac}%%" 1>&2
else
print -n "\r$ZFTP_FILE ($size bytes): $ZFTP_TRANSFER $frac" 1>&2
fi
else
print -n "\r$ZFTP_FILE: $ZFTP_TRANSFER $ZFTP_COUNT" 1>&2
fi
if [[ $ZFTP_TRANSFER = *F && ${+zftpseconds} = 1 ]]; then
unset zftpseconds
print 1>&2
else
zftpseconds=$SECONDS
fi
fi
# }