mirror of https://github.com/tLDP/LDP
60 lines
1.6 KiB
Bash
60 lines
1.6 KiB
Bash
#!/bin/bash
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# cvt.sh:
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# Converts all the MacPaint image files in a directory to "pbm" format.
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# Uses the "macptopbm" binary from the "netpbm" package,
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#+ which is maintained by Brian Henderson (bryanh@giraffe-data.com).
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# Netpbm is a standard part of most Linux distros.
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OPERATION=macptopbm
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SUFFIX=pbm # New filename suffix.
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if [ -n "$1" ]
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then
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directory=$1 # If directory name given as a script argument...
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else
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directory=$PWD # Otherwise use current working directory.
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fi
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# Assumes all files in the target directory are MacPaint image files,
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#+ with a ".mac" filename suffix.
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for file in $directory/* # Filename globbing.
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do
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filename=${file%.*c} # Strip ".mac" suffix off filename
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#+ ('.*c' matches everything
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#+ between '.' and 'c', inclusive).
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$OPERATION $file > "$filename.$SUFFIX"
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# Redirect conversion to new filename.
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rm -f $file # Delete original files after converting.
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echo "$filename.$SUFFIX" # Log what is happening to stdout.
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done
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exit 0
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# Exercise:
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# --------
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# As it stands, this script converts *all* the files in the current
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#+ working directory.
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# Modify it to work *only* on files with a ".mac" suffix.
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# *** And here's another way to do it. *** #
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#!/bin/bash
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# Batch convert into different graphic formats.
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# Assumes imagemagick installed (standard in most Linux distros).
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INFMT=png # Can be tif, jpg, gif, etc.
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OUTFMT=pdf # Can be tif, jpg, gif, pdf, etc.
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for pic in *"$INFMT"
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do
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p2=$(ls "$pic" | sed -e s/\.$INFMT//)
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# echo $p2
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convert "$pic" $p2.$OUTFMT
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done
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exit $?
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