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Shell Programming and Scripting
What is the difference between the two?
Post 302961450 by sea on Sunday 29th of November 2015 02:23:40 PM
11-29-2015
Quote:
<...>
++ transfered_bytes
+++ gawk $'-vRS=\r' 'END{NR=1}END {print $1}' /root/.cache/tui.tmp~
+++ tail -n1
++ value=
++ printf %s ''
++ sed 's,[(|)],,g'
+ CUR=
++ echo
+ '[' -z '' ']'
+ echo ' -- **** EMPTY $CUR **** -- '
-- **** EMPTY $CUR **** --
+ hexdump -CL /root/.cache/tui.tmp~
+ TXT='DBG:
,) -- Written /530 MB of parabola-2015.11.11-dual.iso to /dev/sdc'
+ set -x
+ tui-progress -lbm 555745280 -c 1 'DBG: ,) -- Written /530 MB of parabola-2015.11.11-dual.iso to /dev/sdc'
# | DBG: ,) -- Written /530 MB of parabola-2015.11.11-dual.iso to /dev/sdc [== ][ 1.79% ] | #+ echo
[/CODE]<...>
++ transfered_bytes
+++ gawk $'-vRS=\r' 'END{NR=1}END {print $1}' /root/.cache/tui.tmp~
+++ tail -n1
++ value=
++ printf %s ''
++ sed 's,[(|)],,g'
+ CUR=
++ echo
+ '[' -z '' ']'
+ echo ' -- **** EMPTY $CUR **** -- '
-- **** EMPTY $CUR **** --
+ hexdump -CL /root/.cache/tui.tmp~
+ TXT='DBG:
,) -- Written /530 MB of parabola-2015.11.11-dual.iso to /dev/sdc'+ set -x
+ tui-progress -lbm 555745280 -c 1 'DBG:
,) -- Written /530 MB of parabola-2015.11.11-dual.iso to /dev/sdc'# | DBG:
,) -- Written /530 MB of parabola-2015.11.11-dual.iso to /dev/sdc [== ][ 1.79% ] | #+ echo[/CODE]<...>
Hence, the hexdump -CL of said tempfile is not even visible
Leads to the assumption that the tempfile is missing its redirected inputstream...
But they're almost identical:
Code:
grep -A9 'write_dd()' *dd*
mini-dd.sh: write_dd() { #
mini-dd.sh- # Starts dd, prints the exit status
mini-dd.sh- # syncs device if required
mini-dd.sh- dd $opts_passed \
mini-dd.sh- if="$SOURCE" \
mini-dd.sh- of="$TARGET" \
mini-dd.sh- 2>"$TMP"
mini-dd.sh- printf $? > "$TMP"
mini-dd.sh- sync
mini-dd.sh- }
--
tui-dd: write_dd() { #
tui-dd- # Starts dd, prints the exit status
tui-dd- # syncs device if required
tui-dd- dd $opts_passed \
tui-dd- if="$SOURCE" \
tui-dd- of="$TARGET" \
tui-dd- 2>"$TMP"
tui-dd- printf $? > "$TMP"
tui-dd- sync
tui-dd- }Code:
grep 'write_dd \&' *dd* mini-dd.sh: write_dd & # Start job in background tui-dd: write_dd &
Code:
transfered_bytes() { #
# Parses the tempfile and prints the bytes transfered
# tempfile is similar garabe/hexdump as a curl transfer rate
value="$(
$AWK -vRS=$'\r' \
'END{NR=1}END {print $1}' \
"$TMP" | tail -n1
)"
>"$TMP"
printf '%s' "$value" | $SED s,"[(|)]","",g
}Code:
grep '_bytes)' *dd* mini-dd.sh: echo "Bytes transfered: $(transfered_bytes)" tui-dd: CUR="$(transfered_bytes)" # Get data from tempfile
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