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[BASH] read 'line' issue with leading tabs and virtual line breaks
05-08-2015
if [ -f "$arg" ]
then while read content #|sed s," "," ",g
do # Leading dash
[ "-" = "${content:0:1}" ] &&
leadingDASHdummy="--" ||
leadingDASHdummy=""
# Tabs, become 4 spaces
echo "$content" | grep -q "\ " &&
content="$(echo ${content/\ /\ })"
# Simple conditions
# while echo "$content" | grep -q [&|][&|][[:space:]]'\'
# do remover="${content/\ /\n}"
# remover="$(echo $content|head -n1)"
# tui-printf -E "$remover"
# content="${content%${remover:0:${#remover}-3}}"
# done
#tui-echo "$LINENO" "$remover" "$content" #; exit
# content=$(echo "$content" |
# sed s,"\ ","\\nt",g |
# sed s,"\ "$,"\n",g |
# sed s," "," ",g |
# sed s,^"t"," ",g |
# sed s,"t"," ",g
# )
# Tailing backslash
if echo "$content" | grep [&|][&|]' \'
then # Loop through virtual line breaks caused by conditions, doesnt really work either, but doesnt break the border lineup.
while printf "$content" | grep -q "&& \"
do #echo in loop > /dev/stderr
content2=$(echo "$content" | sed s,"&& \","&& \\",g)
tui-printf -E $leadingDASHdummy"$content2"
content="${content/${content2%/}}"
done
else tui-printf -E $leadingDASHdummy"${content}"
fi
done<"$arg"
else RET=1
tui-printf -S $RET "File not found: $arg"
fi# Vars # LINER="########################################" # [ -f "$F" ] && \ # COMMENTS=$(( $COMMENTS + $(grep ^"#" "$F" | wc -l) )) && \ # LINES=$(( $LINES + $(cat "$F" | wc -l) )) && \ # BLANKS=$(( $BLANKS + $(grep ^[[:space:]]$ "$F" | wc -l) ))
# | # Vars | # # | # | # # | LINER="########################################" | # # | #for F in $(find|grep -ve ".git" -ve ".jpg") | # # | #do [ -f "$F" ] && # COMMENTS=$(( $COMMENTS + $(grep ^"#" "$F" | wc -l) )) && # LINES=$(( $L | # # | INES + $(cat "$F" | wc -l) )) && # BLANKS=$(( $BLANKS + $(grep ^[[:space:]]$ "$F" | wc -l) )) | # # | #done | #
# | # Vars | # # | # | # # | LINER="########################################" | # # | #for F in $(find|grep -ve ".git" -ve ".jpg") | # # | #do [ -f "$F" ] && \ | # # | # COMMENTS=$(( $COMMENTS + $(grep ^"#" "$F" | wc -l) )) && \ | # # | # LINES=$(( $LINES + $(cat "$F" | wc -l) )) && \ | # # | # BLANKS=$(( $BLANKS + $(grep ^[[:space:]]$ "$F" | wc -l) )) | # # | #done | #
# # Comment title # Idented text [ -z "$EMPTY" ] && \ echo "yes $EMPTY is empty!" --hmm ident again
while read -er line;do
# Leading: DASH -- not required for 'plain bash'
#[ "-" = "${line:0:1}" ] && \
# leadingDASHdummy="--" || \
# leadingDASHdummy=""
# Converting TABS
line="$(echo "$line"|sed s,' ',' ',g)" # Doesnt work for leading tabs??
# Leading: TAB -- doesnt seem to work either
[ " " = "${line:0:1}" ] && \
line="${line:0:1} "
[ "\t" = "${line:0:2}" ] && \
line="${line:0:2} "
echo "${line}"
done<"sample.txt"# # Commment title # Idented text [ -z "$EMPTY" ] && \ echo "yes $EMPTY is empty!" --hmm
# # Commment title # Idented text [ -z "$EMPTY" ] && \ echo "yes $EMPTY is empty!" --hmm ident again
IFS="" while read -er line do
sh sample.sh sample.sh: line 1: while: command not found sample.sh: line 2: syntax error near unexpected token `do' sample.sh: line 2: `do'
IFS="" while read -r line do
:) tmp $ ../prjs/tui/bin/tui-cat sample.txt # | # | # # | # Commment title | # # | # | # # | Idented text | # # | [ -z "$EMPTY" ] && \ | # # | echo "yes $EMPTY is empty!" | # # | --hmm | # # | ident again | # ✔ tmp $
05-08-2015
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