CLI Fu: Difference between revisions
Jump to navigation
Jump to search
No edit summary |
|||
| Line 6: | Line 6: | ||
Convert, noclobber, thumbnail: | Convert, noclobber, thumbnail: | ||
<pre>ls png/*png | sed 's/png//g' | awk '{print "[ -f jpg"$1"jpg ] || convert -thumbnail 256x256 png"$1"png jpg"$1"jpg"}'</pre> | <pre>ls png/*png | sed 's/png//g' | awk '{print "[ -f jpg"$1"jpg ] || convert -thumbnail 256x256 png"$1"png jpg"$1"jpg"}'</pre> | ||
= Awk = | |||
Using Awk for sums: | |||
<pre>ls -l | awk '{print $5}' | awk '{sum += $1} END {print sum}'</pre> | |||
<pre>ls -l | awk '{sum += $5} END {print sum}'</pre> | |||
Revision as of 18:27, 17 October 2023
Image Magick
Convert, noclobber:
ls webp/*webp | sed 's/webp//g' | awk '{print "[ -f png"$1"png ] || convert webp"$1"webp png"$1"png"}'
Convert, noclobber, thumbnail:
ls png/*png | sed 's/png//g' | awk '{print "[ -f jpg"$1"jpg ] || convert -thumbnail 256x256 png"$1"png jpg"$1"jpg"}'
Awk
Using Awk for sums:
ls -l | awk '{print $5}' | awk '{sum += $1} END {print sum}'
ls -l | awk '{sum += $5} END {print sum}'