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Diffstat (limited to 'README')
| -rw-r--r-- | README | 47 |
1 files changed, 47 insertions, 0 deletions
@@ -971,6 +971,53 @@ TSV format. - - - +Progress indicator +------------------ + +The below sfeed_update wrapper script counts the amount of feeds in a sfeedrc +config. It then calls sfeed_update and pipes the output lines to a function +that counts the current progress. It writes the total progress to stderr. +Alternative: pv -l -s totallines + + #!/bin/sh + # Progress indicator script. + + # Pass lines as input to stdin and write progress status to stderr. + # progress(totallines) + progress() { + total="$(($1 + 0))" # must be a number, no divide by zero. + test "${total}" -le 0 -o "$1" != "${total}" && return + LC_ALL=C awk -v "total=${total}" ' + { + counter++; + percent = (counter * 100) / total; + printf("\033[K") > "/dev/stderr"; # clear EOL + print $0; + printf("[%s/%s] %.0f%%\r", counter, total, percent) > "/dev/stderr"; + fflush(); # flush all buffers per line. + } + END { + printf("\033[K") > "/dev/stderr"; + }' + } + + # Counts the feeds from the sfeedrc config. + countfeeds() { + count=0 + . "$1" + feed() { + count=$((count + 1)) + } + feeds + echo "${count}" + } + + config="${1:-$HOME/.sfeed/sfeedrc}" + total=$(countfeeds "${config}") + sfeed_update "${config}" | progress "${total}" + +- - - + Counting unread and total items ------------------------------- |