Extraction sous-chaines page web

 /gif/icon_status_normal.gif 

 /gif/icon_status_ 

.gif 

normal 

               <table cellpadding="0" cellspacing="0" class="dataTable" id="tableDeviceDetails" width="100%">
                  <tr>
                     <td class="info">
                        Total Page Count
                     </td>
                     <td>
                        313
                     </td>
                  </tr>
               </table>
<code>

$ grep -Po 'var .*[Ss]tatus_\K[^.]*' brol 
normal
normal

$ links -dump brol | grep -Po '(Status:|Page Count) *\K[^ ]*'
Ready
313

nas> cat $PAGE_PATH | grep -Po 'var .*[Ss]tatus_\K[^.]*' brol
grep: invalid option -- P
BusyBox v1.16.1 (2013-11-09 00:52:17 CST) multi-call binary.

Usage: grep [-HhnlLoqvsriFE] [-m N] [-A/B/C N] PATTERN/-e PATTERN.../-f FILE [FILE]...

Search for PATTERN in FILEs (or stdin)

Options:
        -H      Add 'filename:' prefix
        -h      Do not add 'filename:' prefix
        -n      Add 'line_no:' prefix
        -l      Show only names of files that match
        -L      Show only names of files that don't match
        -c      Show only count of matching lines
        -o      Show only the matching part of line
        -q      Quiet. Return 0 if PATTERN is found, 1 otherwise
        -v      Select non-matching lines
        -s      Suppress open and read errors
        -r      Recurse
        -i      Ignore case
        -F      PATTERN is a literal (not regexp)
        -E      PATTERN is an extended regexp
        -m N    Match up to N times per file
        -A N    Print N lines of trailing context
        -B N    Print N lines of leading context
        -C N    Same as '-A N -B N'
        -e PTRN Pattern to match
        -f FILE Read pattern from file

mon systeme est un nas synology et que les utilitaires sont ceux de busybox 1.16

sed

awk

awk -F "[ =/]*" '/var.*status/ {split($6, a, "[_.]"); print $3, a[3]}' /var/services/web/cronPrinterPage.html
a
a

$ awk  '/var.*status/ {split($2, a, "[=/._]"); print  a[1], a[7]}'  fichier.html
blackInkStatusImage normal
colorInkStatusImage normal

$ awk  '/var.*status/ {split($2, a, "[=/._]"); print  a[1], a[7]} /Total/ {getline; getline; getline; print $1}' fichier.html
blackInkStatusImage normal
colorInkStatusImage normal
313

$ awk  '/var.*status/ {split($2, a, "[=/._]"); print  a[1], a[7]}'  fichier.htm
blackInkStatusImage normal
colorInkStatusImage normal

$ sed -rn 's#.*icon_status_([^.]*).*#\1#p;/Page Count/{n;n;n;s/ *//p}' plop 
normal
normal
normal
313

BLACK_INK_STATUS=$(cat $PAGE_PATH | sed -rn 's#.+/icon_status_([^.]+).*#\1#p' | sed -n '1p' )
COLOR_INK_STATUS=$(cat $PAGE_PATH | sed -rn 's#.+/icon_status_([^.]+).*#\1#p' | sed -n '2p' )
PRINTER_STATUS=$(cat $PAGE_PATH | sed -rn 's#.+/icon_status_([^.]+).*#\1#p' | sed -n '3p' )
TOTAL_PRINTED_PAGES=$( cat $PAGE_PATH | sed -rn '/Page Count/{n;n;n;s/ *//p}'

Je pense qu'il doit y avoir mieux pour sélectionner la 1ere 2eme ou 3eme occurrence, mais en attendant ça fait le boulot :). 

BLACK_INK_STATUS=$(sed -rn 's#/icon_status_([^.]+).*#\1#p' $PAGE_PATH | sed -n '1p')
COLOR_INK_STATUS=$(sed -rn 's#/icon_status_([^.]+).*#\1#p' $PAGE_PATH | sed -n '2p')
PRINTER_STATUS=$(  sed -rn 's#/icon_status_([^.]+).*#\1#p' $PAGE_PATH | sed -n '3p')
TOTAL_PRINTED_PAGES=$(sed -rn '/Page Count/{n;n;n;s/ *//p}' $PAGE_PATH)

cat  $PAGE_PATH